 Ball Pump Valve 22mm x 1 £4.99
22mm. Brass, steel, plastic and rubber construction. turn operation. Specifications: 22mm compression, 1" bsp. more...
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 Danfoss 102 Mini Programmer £61.99
Common timing. 5-wire installation. Override facility. Boost function. EN 60730-2-7. Features: 24 Hour Programmable; 2 On/Off Periods per Day; Suitable for Gravity-Fed & Pumped Systems; 5-Wire Installation. Specifications: Switching/contact rating: 5(2)A. H x W x D: 135 x 106 x 63mm. Not suitable for underfloor heating. more...
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 Danfoss 103 Mechanical Timeswitch £54.99
1-wire installation. Override facility. EN 60630-2-7. Features: 2 On/Off Periods per Day; 2 Preset Programmes; 24 Hour Programmable; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 6(2)A. Max. load: 1.5kW. H x W x D: 135 x 106 x 63mm. more...
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 Danfoss ATC Cylinder Stat £15.99
Electro-mechanical sensor. Surface mounted. Complies with EN 60730. Conforms to 89/336/EEC and 73/23/EEC. Features: Suitable for All Domestic Systems; Fixing Strap Included; Energy Saving Trust Recommended. Specifications: Switch/contact rating: 6(2.5)A. SPDT. Temperature range: 30-90C. H x W x D: 120 x 40 x 58mm. more...
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 Danfoss ATF Pipe Frost Thermostat £27.64
Pipe Frost Thermostat. Specifications: Switching/contact rating: 6A. SPDT, differential 6K. Temperature range 10-90C. Requires 230V live and neutral. more...
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 Danfoss CET-B RF Cylinder Stat £105.87
Electronic sensor. Wireless surface mounted. Complies with EN 60730. Conforms to 89/336/EEC and 73/23/EEC. Features: Suitable for All Domestic Systems; Fixing Strap Included; LCD Display; Energy Saving Trust Recommended. Specifications: Switch/contact rating: 3A. 10-230V AC. Temperature range: 40-65C. H x W x D: 86 x 85 x 42mm. 30m line of sight. Ensure no metal objects are placed in the line of sight. more...
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 Danfoss FMT230D Flush Mounting Room Thermostat £41.46
Flush mounted. Fits into a single gang UK electrical box. Specifications: 230V. more...
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 Danfoss FP715si Programmer £55.99
Independent timing. 5-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. EN 60730-2-7. Features: 24 Hour; 5 / 2 Day or 7 Day Programmable; 3 Preset Programmes; Digital Display; 2 or 3 On/Off Periods per Day; Suitable for Gravity-Fed & Fully Pumped Systems; 5 Wire Installation; Backlit Display; Battery Back-Up; Energy Saving Trust Approved. Specifications: Switching/contact rating: 3(1)A. H x W x D: 88 x 135 x 32mm. Backplate fit: British Gas Standard. Suitable for underfloor heating. more...
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 Danfoss Heating Control Pack £84.99
Designed for the contract market. Features: Independent Settings for Hot Water & Central Heating; Integrated Components for Trouble-Free Installation; 7 Day; 5 / 2 Day or 24 Hour Programme. more...
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 Danfoss HP22 2 Port Motorised Valve £54.99
22mm compression connection. 4-wire installation. Interchangeable with other makes. Conforms to EN 60730. Features: 1m Cable Supplied; Max. 95C Flow Temperature; Spring Return Action. Specifications: 3A. Power consumption: 6W. more...
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 Danfoss HS3 3 Port Motorised Valve £76.99
22mm compression connection. 4-wire installation. Interchangeable with other makes. Conforms to EN 60730. Features: 1m Cable Supplied; Max. 95C Flow Temperature; Spring Return Action. Specifications: 3A. Power consumption: 6W. more...
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 Danfoss RET B Room Thermostat £37.31
Simple to use analogue electronic room thermostat. Hard wired or battery powered. Features: Energy Saving Chrono Proportional Control; LCD Display. Specifications: Switching/contact rating: 3(1)A 10-250V AC 50/60Hz. more...
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 Danfoss RET230F Room Frost Thermostat £27.64
Mains powered. Features: Electronic Room Mounting Frost Thermostat 5-10C. Specifications: Temperature range: 5-10C. H x W x D: 86 x 85 x 42mm. Requires 230V live and neutral. more...
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 Danfoss RET230P Room Thermostat £14.99
Electronic Room Thermostat. Specifications: Switch/contact rating: SPDT.IP30. 10A. Temperature range 5-30C. H x W x D: 86 x 85 x 42. more...
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 Danfoss RETB RF + RX1 Room Thermostat £99.99
Electronic sensing element. Wireless. EN 60730-2-9 and EN 300 220. Features: Digital Display; Wireless; Frost Protection. Specifications: Switch/contact rating: SPDT 3A. Temp. range: 5-30C. H x W x D: 87 x 85 x 40mm. 2 x AA batteries supplied. 30m straight line transmitter range. more...
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 Danfoss SET3M Programmer £59.99
Common timing. 5-wire installation. Override facility. Boost function. EN 60730-2-7. Features: 24 Hour Programmable; 2 On/Off Periods per Day; Suitable for Gravity-Fed & Pumped Systems; 5 Wire Installation. Specifications: Switching/contact rating: 3(1)A. H x W x D: 98 x 158 x 63mm. Backplate fit: 9-way British Gas Standard. Suitable for underfloor heating. more...
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 Danfoss TP4000 24hr Programmable Room Thermostat £54.99
Hard wired or battery powered. Features: 24 Hour Programmable; 6 Time & Temperature Events per Day. Specifications: Switching/contact rating: 3(1)A 10-250V AC. H x W x D: 110 x 88 x 38mm. more...
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 Danfoss TP5000Si 2/5 Day Programmable Room Thermostat £63.57
Hard wired or battery powered. Features: 24 Hour or 5 / 2 Day Programmable; Energy Saving Chrono Proportional Control; Optional Service Interval Timer. Specifications: Switching/contact rating: 3(1)A 10-230V AC. H x W x D: 88 x 110 x 28mm. more...
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 Danfoss TS715si Timeswitch £47.99
2-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost control. EN 60730-2-7. Features: Digital Display; 3 On/Off Periods per Day; 3 Preset Programmes; 24 Hour; 2; 5 or 7 Day Programmable; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 3(1)A. Max. load: 0.75kW. H x W x D: 88 x 135 x 32mm. more...
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 Drayton Digistat + Room Thermostat £35.99
Electronic sensing element. 2-wire installation. Override facility. EN 60730. Features: Digital Display; 2-Wire Installation. Specifications: Switch/contact rating: 2(1)A 230VAC. Temp. range: 5-30C. H x W x D: 87 x 104 x 44mm. 2 x AA batteries supplied. more...
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 Drayton Digistat +2 Room Thermostat £54.99
Electronic sensing element. 2-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Made in accordance with EN 60730. 24 hour (Quote 24142) or 7 day (Quote 75750) programmable. Features: Digital Display; 2; 4 or 6 On/Off Periods per Day; 3 Preset Programmes; Frost Protection; 24 Hour Programmable; 2 Wire Installation. Specifications: Switch/contact rating: 16(2)A 230VAC. Temp. range: 5-32C. H x W x D: 95 x 134 x 30mm. 2 x AA batteries supplied. more...
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 Drayton Digistat +2RF Room Thermostat £109.99
Electronic sensing element. Wireless. Override facility. Made in accordance with EN 60730. Features: Digital Display; 2; 4 or 6 On/Off Periods per Day; 3 Preset Programmes; 24 Hour Programmable; Wireless; Frost Protection. Specifications: Switch/contact rating: 2(1)A 230VAC. Temp. range: 5-32C. H x W x D: 100 x 140 x 90mm. 2 x AA batteries supplied. 30m straight line transmitter range. more...
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 Drayton Digistat +3 Room Thermostat £54.99
Electronic sensing element. 2-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Made in accordance with EN 60730. Features: Digital Display; 2; 4 or 6 On/Off Periods per Day; 3 Preset Programmes; Frost Protection; 5 / 2 Day or 7 Day Programmable; 2 Wire Installation. Specifications: Switch/contact rating: 16(2)A 230VAC. Temp. range: 5-32C. H x W x D: 95 x 134 x 30mm. 2 x AA batteries supplied. more...
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 Drayton Digistat +3RF Room Thermostat £114.99
Electronic sensing element. Wireless. Override facility. Made in accordance with EN 60730. Features: Digital Display; 2; 4 or 6 On/Off Periods per Day; 3 Preset Programmes; 5 / 2 Day or 7 Day Programmable; Wireless; Frost Protection. Specifications: Switch/contact rating: 16(2)A 230VAC. Temp. range: 5-32C. H x W x D: 100 x 140 x 90mm. 2 x AA batteries supplied. 30m straight line transmitter range. more...
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 Drayton Digistat +RF Room Thermostat £102.99
Electronic sensing element. Wireless. Override facility. EN 60730. Features: Digital Display; Wireless. Specifications: Switch/contact rating: 2(1)A 230VAC. Temp. range: 5-30C. H x W x D: 100 x 140 x 90mm. 2 x AA batteries supplied. 30m straight line transmitter range. more...
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 Drayton HTS3 Cylinder Stat £12.99
Bi-metallic sensor. Surface mounted. Positive on/off setting. Approved to EN 60730. Features: Suitable for All Systems; Fixing Strap Included; Double Insulated; Energy Saving Trust Recommended. Specifications: Switch/contact rating: 3(1)A 230V AC SPDT. Temperature range: 50-80C. H x W x D: 100 x 40 x 45mm. more...
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 Drayton LP111 Timeswitch £43.99
3 wire installation. Override facility. Automatic BST/GMT time change. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 1 Preset Programme; 24 Hour Programmable; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 2(1)A 230VAC. Maximum load: 0.5kW. H x W x D: 90 x 147 x 30mm. more...
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 Drayton LP112 (Mk4) Programmer £49.99
4-wire installation. Override facility. Automatic BST/GMT time change. Made in accordance with EN 60730. 24 hour programmable. Features: 24 Hour Programmable; 1 Preset Programme; Digital Display; 3 On/Off Periods per Day; Suitable for Gravity-Fed & Fully Pumped Systems; 4 Wire Installation; Backlit Display; Battery Back-Up; Energy Saving Trust Approved. Specifications: Switching/contact rating: 2(1)A 230V AC Each switch. H x W x D: 93 x 148 x 29mm. Backplate fit: British Gas Standard. 24 hour programmable. Suitable for underfloor heating. more...
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 Drayton LP241 (Mk4) Programmer £57.99
4-wire installation. Override facility. Automatic BST/GMT time change. Made in accordance with EN 60730. 24 hour programmable. Features: 24 Hour Programmable; 1 Preset Programme; Digital Display; 3 On/Off Periods per Day; Suitable for Gravity-Fed & Fully Pumped Systems; 4 Wire Installation; Backlit Display; Battery Back-Up; Energy Saving Trust Approved. Specifications: Switching/contact rating: 2(1)A 230V AC Each switch. H x W x D: 93 x 148 x 29mm. Backplate fit: British Gas Standard. 24 hour programmable. Suitable for underfloor heating. more...
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 Drayton LP522 (Mk4) Programmer £56.19
4-wire installation. Override facility. Automatic BST/GMT time change. Made in accordance with EN 60730. 5 / 2 day programmable. Features: 5 / 2 Day Programmable; 1 Preset Programme; Digital Display; 3 On/Off Periods per Day; Suitable for Gravity-Fed & Fully Pumped Systems; 4 Wire Installation; Backlit Display; Battery Back-Up; Energy Saving Trust Approved. Specifications: Switching/contact rating: 2(1)A 230V AC Each switch. H x W x D: 93 x 148 x 29mm. Backplate fit: British Gas Standard. 5/2 Day Programmable. Suitable for underfloor heating. more...
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 Drayton LP711 Timeswitch £49.99
3-wire installation. Override facility. Automatic BST/GMT time change. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 1 Preset Programme; 24 Hour Programmable; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 2(1)A 230VAC. Max. load: 0.5kW. H x W x D: 90 x 147 x 30mm. more...
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 Drayton LP722 (Mk4) Programmer £64.99
4-wire installation. Override facility. Automatic BST/GMT time change. Made in accordance with EN 60730. 7 day programmable. Features: 7 Day Programmable; 1 Preset Programme; Digital Display; 3 On/Off Periods per Day; Suitable for Gravity-Fed & Fully Pumped Systems; 4 Wire Installation; Backlit Display; Battery Back-Up; Energy Saving Trust Approved. Specifications: Switching/contact rating: 2(1)A 230V AC Each switch. H x W x D: 93 x 148 x 29mm. Backplate fit: British Gas Standard. 7 day programmable. Suitable for underfloor heating. more...
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 Drayton MA1/679-3 3-Port Motorised Valve £73.99
22mm compression connection. 5-wire installation. 100% tight shut off. Approved to EN 60730. Features: 1m Cable Supplied; 5-93C Flow Temperature; Snap-On Actuators Easily Removed; Manual Lever for Filling/Draining; Off: 6 Seconds under Spring Return. Specifications: 3A. Power consumption: 6W. more...
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 Drayton RTS1 Room Thermostat £11.74
Electronic sensing element. 3 wire installation. EN 60730. Features: 3-Wire Installation; Energy Saving Trust Approved. Specifications: Switch/contact rating: SPST. IP30. 2A. Temp. range: 10-30C. H x W x D: 86 x 86 x 36mm. Batteries supplied. more...
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 Drayton RTS8 Room Thermostat £14.99
Electronic sensing element. 2 or 3-wire installation. Made in accordance with EN 60730. Features: 2 or 3-Wire Installation. Specifications: Switch/contact rating: SPST. IP30. 6A. Temp. range: 10-30C. H x W x D: 86 x 86 x 37mm. Batteries supplied. more...
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 Drayton Synchronous Motor £13.49
A replacement for most common motorised valves. Approved to EN 60730. Features: Easy to Fit Connections; Conforms to 89/336/EEC & 73/23/EEC. Specifications: 230V. 50Hz. 4.5W. more...
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 Drayton Tempus 1 Timeswitch £41.28
3-wire installation. Override facility. Holiday mode. Boost control. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 1 Preset Programme; 24 Hour or 5 / 2 Day Programmable; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 2(1)A 230VAC. Maximum load: 0.5kW. H x W x D: 97 x 150 x 34mm. more...
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 Drayton Tempus 2 Timeswitch £49.99
3 wire installation. Override facility. Holiday mode. Boost control. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 1 Preset Programme; 24 Hour or 5/2 Day Programmable; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 2(1)A 230V AC. Maximum load: 0.5kW. H x W x D: 97 x 150 x 34mm. more...
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 Drayton ZA5/679-2 2-Port Motorised Valve £52.99
22mm compression connection. 5-wire installation. 100% tight shut-off. Approved to EN 60730. Features: 1m Cable Supplied; 5-93C Flow Temperature; Snap-On Actuators Easily Removed; Manual Lever for Filling/Draining; Off: 6 Seconds under Spring Return. Specifications: 3A. Power consumption: 6W. more...
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 Drayton Zone Replacement Valve Actuator £39.99
Manual lever and valve position indicator. Simple industry-standard wiring. Approved to EN 60730. Features: Energy Saving Control; 5-Wire Cable; Easy Snap-On Installation. Specifications: 230V 50HZ 6.5W. more...
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 Fernox Alphi-11 5Ltr £29.99
5Ltr. With corrosion and limescale inhibitors. more...
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 Fernox Boiler Noise Silencer Concentrate 500ml £18.99
Helps reduce boiler noise. Improves heat transfer efficiency. Non-toxic. Features: Suitable for All Boiler Types; Prevents Bacterial Contamination; 10 Year Manufacturer's Guarantee. more...
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 Fernox Boiler Silencer Superconcentrate 290ml £28.99
Helps reduce boiler noise. Improves heat transfer efficiency. Non-toxic. Features: Suitable for All Boiler Types; Prevents Bacterial Contamination; 10 Year Manufacturer's Guarantee. more...
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 Fernox Central Heating Protector £18.99
Provides long term protection of domestic central heating systems against internal corrosion, limescale formation and bacterial contamination. Prevents corrosion of all metals. Use on all types of boilers, radiators and pipework systems. Non-toxic. Features: Stops Frequent Venting of Radiators; Prevents Bacterial Contamination; 10 Year Manufacturer's Guarantee. more...
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 Fernox Heating Leak Sealer Concentrate 500ml £18.99
Used throughout domestic heating systems for sealing small, inaccessible leaks. Does not block air vents and pumps. more...
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 Fernox Heating Leak Sealer Superconcentrate 290ml £28.99
Used throughout domestic heating systems for sealing small inaccessible leaks. Compatible with all systems metals. Easily applied via radiator with the patented applicator. more...
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 Fernox Heavy-Duty Central Heating Cleaner 500ml £18.99
Quick and effective neutral cleanser. Removes debris, sludge and scale, restoring efficiency. Non-toxic. Features: Can be Used with Powerflush Machines; Suitable for All Heating System Metals; 10 Year Manufacturer's Guarantee. more...
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 Fernox MB-1 Protector 4Ltr £28.99
4Ltr. Gives long-term protection of domestic central heating systems against internal corrosion and limescale formation. Prevents corrosion of all metals and is suitable for use on all types of boilers, radiators and pipework systems. Non-toxic. more...
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 Fernox Superconcentrate Central Heating Protector £28.99
Provides long term protection of domestic central heating systems against internal corrosion and limescale formation. Prevents corrosion of all metals. Use on all types of boilers, radiators and pipework systems. Easily applied via radiator with patented applicator. Features: Stops Frequent Venting of Radiators; Prevents Bacterial Contamination; 10 Year Manufacturer's Guarantee. more...
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 Flomasta 7000233 Central Heating Pump 230V £42.99
Suitable for 110C fluid, 55C ambient. 1" BSP connection. IP42 rated. Kitemarked. Features: 3 Speed Settings; 2 Year Manufacturer's Guarantee; 4.82m Max. Delivery Head; 'B' Energy Rated; 1" BSP Connection; 5C to 110C Max. Temp. Range; Flow Volume Q Maximum 3.89m/hr; IP42 Rated; Kitemarked. Specifications: 230V. 130mm port to port. Max. temp. range: +5C to +110C. Weight: 2.66kg. more...
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 Gate Pump Valve 22mm £5.99
22mm. Brass, rubber and plastic construction. Compression connection. Suitable for water. BS 5154. more...
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 Grundfos 15-60 Domestic Circulating Pump £89.99
Suitable for hot water, heating systems, cooling and air conditioning systems. 1" BSP connection. IP44 rated. Kitemarked. Features: 3 Speed Settings; 6m Max. Delivery Head; "C" Energy Rated; Guaranteed 2 Years from Date Manufactured; 1" BSP Connection; +15C to +110C Max Temp. Range; Flow Volume Q Maximum 3m/h; Can be Used for Max 35kW Applications; IP44 Rated; Kitemarked. Specifications: 230V 50hz. 130mm port to port. Max. temp. range: +15C to +110C. Weight: 2.5kg. more...
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 Grundfos Alpha 2 15-50 Domestic Circulating Pump £159.99
Suitable for hot water, heating systems, cooling and air conditioning systems. 1" BSP connection. IP42 rated. Kitemarked. Features: Variable Speed Settings; Guaranteed 2 Years from Date Manufactured; 'A' Energy Rated; 5m Delivery Head Maximum; 1" BSP Connection; +2C to +110C Max Temp. Range; Flow Volume Q Maximum 2.5m/h; Can be Used for Max 32kW Applications; IP42 Rated. Specifications: 230V 50hz. 130mm port to port. Max. temp. range: +2C to +110C. Weight: 1.88kg. more...
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 Grundfos Alpha 2 15-60 Domestic Circulating Pump £179.99
Suitable for hot water, heating systems, cooling and air conditioning systems. 1" BSP connection. IP42 rated. Kitemarked. Features: Variable Speed Settings; Guaranteed 2 Years from Date Manufactured; 'A' Energy Rated; 6m Delivery Head Maximum; 1" BSP Connection; +2C to +110C Max Temp. Range; Flow Volume Q Maximum 2.5m/h; Can be Used for Max 45kW Applications; IP42 Rated. Specifications: 230V 50hz. 130mm port to port. Max. temp. range: +2C to +110C. Weight: 1.88kg. more...
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 Grundfos UPS15 - 50 5 metre Circulating Pump £75.99
Suitable for hot water, heating systems, cooling and air conditioning systems. 1" BSP connection. IP44 rated. Kitemarked. Features: 3 Speed Settings; Max. 5m Delivery Head; "B" Energy Rated; 2 Year Manufacturer's Guarantee; 1" BSP Connection; +15C to +110C Max. Temp. Range; Flow Volume Q Maximum 3m/h; Can be Used for Max. 35kW Applications; IP44 Rated; Kitemarked. Specifications: 230V 50hz. 130mm port to port. Max. temp. range: +15C to +110C. Weight: 2.5kg. more...
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 Honeywell CM901 Room Thermostat £69.99
Electronic sensing element. 3-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Features: Digital Display; 6 On/Off Periods per Day; 1 Preset Programme; 24 Hour Programmable; 3 Wire Installation; Frost Protection. Specifications: Switch/contact rating: volt free (switches 24 - 230V). Temp. range: 5-30C. H x W x D: 89 x 133 x 26mm. 2 x AA batteries supplied. more...
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 Honeywell CMT921 Room Thermostat £117.44
Electronic sensing element. Wireless. Override facility. Holiday mode. Automatic BST/GMT time change. Features: Digital Display; 1; 2 or 3 On / Off Periods; 1 Preset Programme; 24 Hour Programmable; Wireless; Frost Protection. Specifications: Switch/contact rating: SPDT 10(3)A. Temp. range: 5-35C. H x W x D: 89 x 133 x 26mm. 2 x AA batteries supplied. 30m straight line transmitter range. more...
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 Honeywell DT90E Digital Room Thermostat + ECO £32.69
Includes ECO button with countdown display for energy saving mode. CE marked. Conforms to protection requirements of 2006/95/EC & 2004/108/EC. WEEE & RoSH compliant. Features: Digital Display; Mains or Low Voltage Switching. Specifications: Switch/contact rating: SPDT. 8A. Temp. range: 5-35C. H x W x D: 92 x 90 x 29mm. 2 x AA batteries supplied. more...
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 Honeywell L641A Cylinder Stat £23.99
Bi-metallic sensor. Surface mounted. Control for boilers and wet central heating. Complies with EN 60730. Conforms to 89/336/EEC and 73/23/EEC. Features: Suitable for Uninsulated / Foam-Lagged Cylinders; Fixing Strap Included; Double Insulated. Specifications: Switch/contact rating: 4A Resistive. 2A inductive. SPDT. Temperature range: 40-80C. H x W x D: 85 x 45 x 55mm. more...
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 Honeywell Smartfit 7 Day Plan Heating Control Pack £189.99
Mid-position pack. A complete heating control system that incorporates both low voltage wiring and plug-in connections to minimise errors and make wiring much quicker and simpler. Built-in diagnostics. Building Regulations compliant. Features: 7-Day Programming; Clear Digital Display; Snap-On Valve Actuator; Built-In Start-Up Programme; Single Point of Control. Specifications: Mid-Position Pack: Room unit, valve body, valve actuator, cylinder sensor, plug-in connections for valve, base unit. more...
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 Honeywell Smartfit 7 Day S Plan Heating Pack £154.34
2-zone valve pack. A complete heating control system that incorporates both low voltage wiring and plug-in connections to minimise errors and make wiring much quicker and simpler. Built-in diagnostics. Building Regulations compliant. Features: 7-Day Programming; Clear Digital Display; Snap-On Valve Actuator; Built-In Start-Up Programme; Single Point of Control. Specifications: 2-Zone Valve Pack: Room unit, valve body, valve actuator, cylinder sensor, plug-in connections for valve, base unit. more...
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 Honeywell ST699 Programmer £86.99
Common timing. Minimum 5-wire installation. CE marked. Features: 24 Hour Programmable; Digital Display; 1 or 2 On/Off Periods per Day; Suitable for Gravity-Fed & Fully Pumped Systems; 2 Wire Installation; Battery Back-Up. Specifications: Switching/contact rating: SPDT 3(3)A. H x W x D: 100 x 45 x 100mm. Backplate fit: Unique. Suitable for underfloor heating. more...
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 Honeywell ST9400C Programmer £75.99
Separate timing. 2-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. Building regulations compliant, CE, WEEE, RoHS. Features: 1; 2; or 3 On/Off Periods; 3 Preset Programmes; Digital Display; 3 On/Off Periods per Day; Suitable for Gravity-Fed & Fully Pumped Systems; 2 Wire Installation; Backlit Display; Battery Back-Up. Specifications: Switching/contact rating: SPDT 3(3)A. H x W x D: 99 x 145 x 35mm. Backplate fit: Industry Standard. Suitable for underfloor heating. more...
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 Honeywell Straight Auto Bypass Valve 22mm £39.99
22mm. A simple means of ensuring adequate flow through boilers which require a bypass. Features: Easy Installation; High Flow Capability; Reduces System Noise; Ideal for Combi Boilers. Specifications: Factory set to 0.2bar (adjustable up to 0.6bar). more...
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 Honeywell V4043H 2 Port Motorised Valve £72.99
22mm compression connection. 5-wire installation. Conforms to 89/336/EEC and 73/23/EEC. Features: 1m Cable Supplied; 5-88C Flow Temperature; Spring Return Action; Manual Lever for Filling/Draining; Off: 6 Seconds under Spring Return. Specifications: 2.2A. SPST power consumption: 6W. more...
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 Honeywell V4073A 3 Port Motorised Valve £99.99
22mm compression connection. 5-wire installation. Conforms to 89/336/EEC and 73/23/EEC. Features: 1m Cable Supplied; 5-88C Flow Temperature; Spring Return Action; Manual Lever for Filling/Draining; Valve Opens to Port B in 8 Seconds (under Spring Return). Specifications: 2.2A. Power consumption: 6W. more...
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 Honeywell Y Plan 7 Day Heating Control Pack £147.99
Boxed. Provides independent temperature and time control of both heating and domestic hot water circuits in fully pumped systems. Building Regulations compliant. Features: Convenient Single Box Solution; Independent Control of Heating & Hot Water; Cost-Effective Control Solution. more...
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 Honeywell Y6630D Room Thermostat £98.99
Battery powered wireless room thermostat and mains powered receiver box. Features: Pre-Bound Wireless Receiver; Volt-Free Connections; Wireless; Frost Protection. Specifications: Switch/contact rating: SPDT 10(3)A. Temp. range: 10-30C. H x W x D: 103 x 99 x 25mm. 2 x AA batteries supplied. 30m straight line transmitter range. more...
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 Horstmann 3 Port Motorised Valve £42.99
22mm compression connection. 5-wire installation. Features: 1m Cable Supplied; Max. 80C Flow Temperature; Spring Return Action; Spring Close: Max 10 Seconds. Specifications: 5A. Power consumption: 6.5W. more...
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 Horstmann 425 Tiara Programmer £30.99
Common timing. 3-wire installation. Override facility. BS EN 60730-2-7:1992 and 8182 / 8319, BS EN 50081-1 & BS EN 50082-1:1992. Features: 24 Hour Programmable; 26 Preset Programmes; 2 On/Off Periods per Day; Suitable for Gravity-Fed & Pumped Systems; 2 Year Manufacturer's Guarantee; 3-Wire Installation; Energy Saving Trust Approved. Specifications: Switching/contact rating: 6A. H x W x D: 112 x 153 x 33mm. Backplate fit: 9-way (included). Not suitable for underfloor heating. more...
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 Horstmann AS2 Room Thermostat £63.52
Electronic sensing element. 2-wire installation. Override facility. Automatic BST/GMT time change. EN60730-1:1995 and EN 60730-2-9:2002. Features: Digital Display; 3 On/Off Periods per day; 5 / 2 Day Programmable; Braille Markings; 2 Year Manufacturer's Guarantee; 2-Wire Installation; Frost Protection. Specifications: Switch/contact rating: SPDT. IP30. 3A. Temp. range: 5-30C. H x W x D: 90 x 120 x 32mm. 3 x AA batteries supplied. more...
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 Horstmann C17 Timeswitch £25.19
3-wire installation. Override facility. Boost control. BS EN 60730-2-7:1995. Features: Digital Display; 3 On/Off Periods per Day; 4 Preset Programmes; 7 Day Programmable; 2 Year Manufacturer's Guarantee; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 3A. Max. load: 1kW. H x W x D: 84 x 150 x 29mm. more...
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 Horstmann Centaurplus C27 Programmer £31.99
Separate timing. 3-wire installation. Override facility. Boost function. BS 60730-2-7, EN 50081-1 and EN 50082-1. Features: 7 Day Programmable; 26 Preset Programmes; Digital Display; 3 On/Off Periods per Day; Suitable for Gravity-Fed & Pumped Systems; 2 Year Manufacturer's Guarantee; 3 Wire Installation; Battery Back-Up; Energy Saving Trust Approved. Specifications: Switching/contact rating: 3A. H x W x D: 84 x 150 x 29mm. Backplate fit: 6-way (included). Also suitable for underfloor heating. more...
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 Horstmann Channelplus H47 Programmer £138.99
Separate timing. 3-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. EN60730-1:2001 and EN 60730-2-7:1992. Features: 7 Day Programmable; 256 Preset Programmes; Digital Display; 3 On/Off Periods per Day; Suitable for 4-Zone Systems; 5 Year Manufacturer's Guarantee; 3 Wire Installation; Backlit Display; Battery Back-Up. Specifications: Switching/contact rating: 3A. H x W x D: 101 x 163 x 37mm. Backplate fit: 9-way included. Suitable for underfloor heating. more...
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 Horstmann DRT2 Room Thermostat £23.99
Electronic sensing element. 2-wire installation. Override facility. Features: Digital Display; 4 On/Off Periods per Day; 5 / 2 Day Programmable; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: SPDT. IP30. 5A. Temp. range: 5-35C. H x W x D: 73.5 x 73.5 x 28mm. 2 x AAA batteries supplied. more...
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 Horstmann E15 Boost Timeswitch £26.99
3-wire installation. Override facility. Boost control. BS EN 60730-2-7:1995. Features: 2 Year Manufacturer's Guarantee; Immersion Heaters; Oil-Filled Radiators; Towel Radiators; Panel Heaters. Specifications: Switching/contact rating: 13A. Maximum load: 3kW. H x W x D: 87 x 87 x 16mm. more...
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 Horstmann E30 Boost Timeswitch £26.99
3-wire installation. Override facility. Boost control. BS EN 60730-2-7:1995. Features: 2 Year Manufacturer's Guarantee; Heating Extension Timer. Specifications: Switching/contact rating: 13A. Max. load: 3kW. H x W x D: 87 x 87 x 16mm. more...
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 Horstmann Economy 7 Quartz Timeswitch £66.99
2-wire installation. Override facility. Boost control. EN 60730-1: 91+ A1, 11 and EN 60730-2-7:91+A11, A12. Features: 1 On/Off Period per Day; 1 Preset Programme; 24 Hour Programmable; 2 Year Manufacturer's Guarantee. Specifications: Switching/contact rating: 13A. Max. load: 3kW. H x W x D: 115 x 170 x 56mm. more...
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 Horstmann HCT2 Cylinder Stat £11.99
Bi-metallic sensor. Surface mounted. Features: Suitable for Most Domestic Systems; Fixing Strap Included; 2 Year Manufacturer's Guarantee; Energy Saving Trust Recommended. Specifications: Switch/contact rating: 16A. SPDT. Temperature range: 20-90C. H x W x D: 105 x 70 x 58mm. more...
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 Horstmann HRT3 Mechanical Room Thermostat £9.99
Bi-metallic. Features: 3-Wire Installation; Mechanical; Frost Protection; Energy Saving Trust Approved; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: SPST IP20. 10A. H x W x D: 80 x 80 x 35mm. Fits British Gas standard 6-pin backplate. more...
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 Horstmann HRT4-B Digital Room Thermostat £34.99
Powered by standard batteries. Electronic sensing element. Override facility. EN 60730-2-9. Features: Digital Display; 2-Wire Installation; Pre-Set Programmes; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temp. range: 5-30C. H x W x D: 86 x 86 x 36.5mm. Fits 6-way backplate. 2 x AAA batteries supplied. more...
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 Hortsmann 312B Heating Control Master Pack £69.99
Great value electronic programmer, with independent settings for hot water and central heating. Easy-fit. Supplied with thermostats, motorised valve and full wiring instructions. 2 year manufacturer's guarantee. more...
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 Hortsmann HFT4 Mechanical Room Thermostat £23.99
Mains powered frost thermostat. Override facility. EN 60730-2-9. Features: 2-Wire Installation; Mechanical; Frost Protection; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temperature range: 0-20C. H x W x D: 86 x 86 x 36.25mm. Fits 6-way backplate. more...
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 Hortsmann HRT4-A Mechanical Room Thermostat £19.99
Mains powered. Override facility. EN 60730-2-9. Features: 2-Wire Installation; Mechanical; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temperature range: 5-30C. H x W x D: 86 x 86 x 36.25mm. Fits 6-way backplate. more...
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 Hortsmann HRT4-ZW Wireless Room Thermostat £74.65
Battery powered. Override facility. EN 60730-2-9. Features: Digital Display; 2-Wire Installation; Digital; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temperature range: 5-30C. H x W x D: 86 x 86 x 36.25mm. 30mm straightline transmitter. Fits 6-way backplate. 2 x AAA batteries supplied. more...
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 Hortsmann HTT4 Mechanical Tamper-Proof Room Thermostat £26.65
Mains powered, tamper-proof room thermostat. Override facility. EN 60730-2-9. Features: 2-Wire Installation; Mechanical; 2 Year Manufacturer's Guarantee. Specifications: Switch/contact rating: 3A. Temperature range: 10-30C. H x W x D: 86 x 86 x 36.25mm. Fits 6-way backplate. more...
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 No Nonsense 1Ltr Filling Kit £3.49
Reusable kit that helps feed chemical treatment into central heating systems faster. Fits " BSP taper and BSP union coupling. Use with central heating treatments. Specifications: Fits " BSP union coupling, " BSP taper, or draincock. more...
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 No Nonsense 500ml Filling Kit £3.49
500ml. Reusable kit that helps feed chemical treatment into central heating systems faster. Fits " BSP taper and union coupling. Use with No Nonsense and Fernox 500ml central heating treatments. Specifications: Fits 500ml bottles - will not fit 1Ltr bottles. more...
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 No Nonsense Central Heating Cleaner 310ml Concentrate £14.49
310ml. Disperses sludge, limescale and system debris. Restores circulation and improves heating efficiency. 1 tube treats 100 litres. more...
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 No Nonsense Central Heating Cleaner 500ml £9.99
500ml. Disperses sludge, limescale and system debris. Restores circulation and improves heating efficiency. 500ml treats 100 litres. more...
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 No Nonsense Central Heating Inhibited Antifreeze 5Ltr £24.99
Effective frost protection with BuildCert standard scale and corrosion control. Suitable for all central heating types including those containing aluminium. Addition rate: 25% of system volume. more...
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 No Nonsense Central Heating Inhibitor 310ml Concentrate £11.89
310ml. Protects against corrosion and limescale formation to maintain system efficiency. Suitable for mixed metal systems including aluminium. 1 tube treats 100 litres. BuildCert and WRAS approved. more...
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 No Nonsense Central Heating Inhibitor 500ml £8.49
500ml. Protects against corrosion and limescale formation to maintain system efficiency. Suitable for mixed metal systems including aluminium. 500ml treats 100 litres. BuildCert and WRAS approved. more...
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 No Nonsense Central Heating Leak Sealer 310ml Concentrate £14.49
310ml. Internal leak sealer for small inaccessible leaks and weeping joints which reduce system pressure. Effective within 1-24 hours. 1 tube treats 100 litres. more...
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 No Nonsense Central Heating Leak Sealer 500ml £9.99
500ml. Internal leak sealer for small, inaccessible leaks and weeping joints which reduce system pressure. Effective within 1-24 hours. 500ml treats 100 litres. more...
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 No Nonsense Central Heating Noise Reducer 310ml Concentrate £14.49
310ml. Reduces boiler noise, eliminates kettling and restores heat transfer efficiency. Suitable for all boiler types. Compatible with all No Nonsense additives. 1 tube treats 100 litres. more...
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 No Nonsense Central Heating Noise Reducer 500ml £9.99
500ml. Reduces boiler noise, eliminates kettling and restores heat transfer efficiency. Suitable for all boiler types and compatible with all No Nonsense additives. 500ml treats 100 litres. more...
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 No Nonsense External Leak Sealer 50g £2.39
50g. For all types of joints and fittings and ideal for temporary repairs. Cures in 1 hour. Adheres to most surfaces - wet or dry. Doesn't shrink and remains flexible, allowing seal to be undone. Operating temperature 40C to 200C. Specifications: Operating temperature 40C to 200C. more...
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 Pegler Pump Valve 22mm £12.59
22mm. 1" BSP. more...
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 Polyphosphate Combi Care Scale Inhibitor £45.99
Releases a small amount of food-grade polyphosphate into the water supply to remove scale and prevent further build-up. 15mm compression fitting. Whole house or single appliance protection with 12 month cartridge life. Specifications: Flow rate up to 54Ltr/min. Must be fitted away from direct heat. more...
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 Sentinel Internal Leak Sealer 1Ltr £11.99
Internal Leak Sealer for small inaccessible leaks and weeping joints in all types of indirect heating systems including those containing aluminium components. Compatible with elastomers. more...
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 Sentinel Rapid Dose Leak Sealer 400ml £14.99
Sentinel Rapid-Dose Leak Sealer is for internal application to seal small leaks and weeping joints in all types of indirect heating systems. Soft seal normally formed within 24 hours, dependent on temperature and leakage rate. Suitable for use with all metals including aluminium. Compatible with elastomers. Features: Non-Toxic & Non-irritant; Compatible with Other Sentinel Rapid-Dose Products; High Stability & Readily Dispersible; Full Discharge in Approximately 30 Seconds; Does Not Block System; Rapid Product Addition to All Systems; Water Draw-off Not Required; System Cooling Not Required; Absolutely No Mess. more...
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 Sentinel Rapid Dose X100 Inhibitor 400ml £14.99
Multipurpose treatment to inhibit corrosion, scale, boiler noise and hydrogen gassing in all types of indirect heating systems, including those containing aluminium. more...
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 Sentinel Rapid Dose X200 Descaler 400ml £14.99
Long life system treatment eliminates lime scale and reduces noise. Suitable for use with all metals including aluminium. Non-acidic. Features: Non-Corrosive; Helps Restore Boiler Efficiency; Full Discharge in Approximately 30 Seconds; Rapid Product Addition to All Systems; Water Draw-off Not Required; System Cooling Not Required; Absolutely No Mess. more...
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 Sentinel Rapid Dose X400 Sludge Remover 400ml £14.99
Sentinel Rapid-Dose X400 has been formulated for the effective cleaning of existing central heating systems where there is a significant amount of corrosion debris. Features: Neutral pH; Helps Restore Circulation; Full Discharge in Approximately 30 Seconds; Rapid Product Addition to All Systems; Water Drawoff Not Required; System Cooling Not Required; Absolutely No Mess. more...
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 Sentinel X100 Central Heating Scale Inhibitor 1Ltr £16.99
1Ltr. General purpose treatment for total protection against scale and corrosion. For use in all types of indirect central heating systems, including those containing aluminium. Non-acidic. Features: Ensures Optimum Boiler Efficiency; Prevents Pin-Holing; Non-Staining; Colourless Formulation. more...
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 Sentinel X100 Scale Inhibitor Concentrate Gel £25.99
275ml. General purpose treatment for total protection against scale and corrosion. For use in all types of indirect central heating systems, including those containing aluminium. Non-acidic. Features: Ensures Optimum Boiler Efficiency; Prevents Pin-Holing; Non-Staining; Colourless Formulation. more...
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 Sentinel X200 Boiler Noise Reducer Concentrate Gel £25.99
275ml. A unique, life-long system treatment for the elimination of limescale and boiler noise. Safe to use in all types of indirect central heating systems. Non-acidic. Apply using a caulk gun via bleed valve or filling loop. 1 tube treats a typical domestic heating system. Features: Restores Boiler Efficiency; Eliminates Kettling; No Need to Flush - Stays in System. more...
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 Sentinel X300 System Cleaner 1Ltr £16.99
Flushes out flux and installation debris from new, indirect central heating systems and those up to 6 months old. An essential preventative of scale and sludge. Features: Powerful; Heavy Duty Cleaning Action; Eliminates Flux Residues to Prevent Pin-Holing Corrosion; Prevents Harmful Copper Deposits Staying in the System. more...
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 Sentinel X400 Central Heating Sludge Remover £16.99
1Ltr. Apply to existing systems for the removal of sludge and deposits. Iron oxide is broken down and dispersed through flushing. Features: Removes Sludge; Breaks Down Iron Oxide; Universal Re-usable Nozzle. more...
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 Sentinel X400 Sludge Remover Concentrate £25.99
275ml. Cleans corrosion debris without risk of leaks. Helps restore circulation. No neutralisation needed. Suitable for all metals. Apply using a caulk gun via bleed valve or filling loop. Features: Non-Acid and Non-Caustic; 1 Tube Treats a Typical Domestic System. more...
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 Sentinel X500 Inhibited Anti-Freeze 5Ltr £39.99
Effective frost protection. Also controls corrosion, scale, boiler noise and hydrogen formation in all types of indirect heating systems, including those containing aluminium components. more...
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 Sentinel X800 Heavy Duty Sludge Remover 1Ltr £16.99
1Ltr. A powerful cleaning agent for central heating systems. Specially developed for use with power flushing equipment. Removes iron and calcium-based deposits to restore circulation and system efficiency. Effective hot or cold. No neutralisation procedure is needed. more...
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 Siemens CMV322 3 Port Mid Valve £51.99
22mm compression connection. 5-wire installation. Interchangeable with other makes. Approved to IEC 730-2-8. Features: 1m Cable Supplied; 5-88C Flow Temperature; Spring Return Action; Manual Override Lever. Specifications: 3A. Power consumption: 5W. more...
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 Siemens RAA10 Frost Protection Room Thermostat £14.99
Mains powered, tamper-proof room thermostat. Gas bellows sensing element. EN 60730. Features: 2-Wire Installation; Frost Protection; 2 Year Manufacturer's Guarantee from Date of Production. Specifications: Switch/contact rating: 6(2)A. Temp. range: 8-30C. H x W x D: 99 x 96 x 36mm. Fits standard backplate. more...
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 Siemens RAA20 Room Thermostat £9.99
Gas bellows sensing element. 2-wire installation. EN 60730. Features: 2-Wire Installation; Energy Saving Trust Approved. Specifications: Switch/contact rating: SPST. IP30. 10A. more...
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 Siemens RAM1 Cylinder Stat £11.11
Bi-metallic sensor. Surface mounted. Features: Suitable for All Domestic Systems; Fixing Strap Included; Energy Saving Trust Recommended. Specifications: Switch/contact rating: 15A. SPDT. Temperature range: 15-90C. H x W x D: 116 x 50 x 59mm. more...
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 Siemens RDH10-GB Room Thermostat £29.63
Electronic sensing element. 2 wire installation. EN 60730. Features: Digital Display; 2-Wire Installation; Frost Protection. Specifications: Switch/contact rating: SPDT. 5(2)A. Temp. range: 5 - 30C. H x W x D: 150 x 107 x 64mm. 2 x AA batteries supplied. more...
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 Siemens RDH10RF/SET-GB Digital Room Thermostat £51.99
Electronic sensing element. Wireless. Override facility. EN 60730. Features: Digital Display; Wireless; Frost Protection; Easy to Read. Specifications: Switch/contact rating: SPDT. 8(3)A. Temp. range: 5-30C. H x W x D: 120 x 90 x 35mm. 2 x AA batteries supplied. 20m straight line transmitter range. (Quote 57758) is programmable. more...
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 Siemens RDJ10-GB Room Thermostat £38.99
Electronic sensing element. 2-wire installation. Override facility. EN 60730. Features: Digital Display; 2 On / Off Periods per Day; 24 Hour Programmable; 2 Wire Installation; Frost Protection. Specifications: Switch/contact rating: SPDT. 5(2)A. Temp. range: 5-30C. H x W x D: 150 x 107 x 64mm. 2 x AA batteries supplied. more...
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 Siemens RDJ10RF/SET-GB Daily Programmable Room Thermostat £59.99
Electronic sensing element. Wireless. Override facility. EN 60730. Features: Digital Display; 2 On/Off Periods per Day; 24 Hour Programmable; Frost Protection; Wireless. Specifications: Switch/contact rating: SPDT. 8(3)A. Temp. range: 5 - 30C. H x W x D: 150 x 107 x 64mm. 2 x AA batteries supplied. 20m straight line transmitter range. more...
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 Siemens REV100 Room Thermostat £63.52
Electronic sensing element. 2-wire installation. Override facility. Holiday mode. EN 60730. Features: Digital Display; Touch Screen; Frost Protection; Energy Saving Trust Approved; 2 On/Off Periods per Day; 24 Hour Programmable; 2 Wire Installation. Specifications: Switch/contact rating: SPDT. 6(2.5)A. Temp. range: 5-30C. H x W x D: 98 x 120 x 31mm. 2 x AA batteries supplied. more...
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 Siemens REV200 Room Thermostat £129.99
Electronic sensing element. 2-wire installation. Override facility. Holiday mode. EN 60730. Features: Digital Display; Touch Screen; Frost Protection; Energy Saving Trust Approved; 3 On/Off Periods per Day; 24 Hour or 7 Day Programmable; 2-Wire Installation. Specifications: Switch/contact rating: SPDT. 8(3.5)A. Temp. range: 5-30C. H x W x D: 110 x 130 x 33mm. 2 x AA batteries supplied. more...
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 Siemens REV24 RF 7 Day Programmable Wireless Digital Room Thermostat £149.99
Powered by standard batteries. Electronic override facility. Holiday mode. Automatic BST/GMT time change. EN 60730. Features: Digital Display; 2-Wire Installation; 3 On/Off Periods; 7 Day Programmable; 1 Pre-Set Programme; Frost Protection; Holiday Mode; 2 Year Manufacturer's Guarantee from Date of Production. Specifications: Switch/contact rating: 16(2)A. Temp. range: 0-50C. H x W x D: 94 x 134.5 x 30mm. 20m straight line transmitter range. Fits backplate. more...
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 Siemens RWB1001 Daily Single Channel Timer Programmer £49.99
4-wire installation. Override facility. Automatic BST/GMT time change. Boost function. Features: 24 Hour Programmable; 1 Preset Programme; Digital Display; 3 On/Off Periods per Day; Suitable for Combination Boilers; 2 Year Manufacturer's Guarantee. Specifications: Switching/contact rating: 6A (2A). H x W x D: 85 x 140 x 34mm. Single channel. Backplate fit: 6-way. Suitable for underfloor heating. more...
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 Siemens RWB1007 7 Day Single Channel Timer Programmer £54.99
4-wire installation. Override facility. Automatic BST/GMT time change. Boost function. Features: 5 / 2 Day or 7 Day Programmable; 1 Preset Programme; Digital Display; 3 On/Off Periods per Day; Suitable for Combination Boilers; 2 Year Manufacturer's Guarantee. Specifications: Switching/contact rating: 6A (2A). H x W x D: 85 x 140 x 34mm. Single channel. Backplate fit: 6-way. Suitable for underfloor heating. more...
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 Siemens RWB2001 Daily 2 Channel Programmer £69.99
Separate timing. Override facility. Automatic BST/GMT time change. Boost function. Features: 24 Hour Programmable; 1 Preset Programme; Digital Display; 3 On/Off Periods per Day; Suitable for All Systems; 2 Year Manufacturer's Guarantee. Specifications: Switching/contact rating: 6A (2A). H x W x D: 85 x 140 x 34mm. 2-Channel. Backplate fit: 6-way. Suitable for underfloor heating. more...
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 Siemens RWB2007 7 Day 2 Channel Programmer £74.99
Separate timing. Override facility. Automatic BST/GMT time change. Boost function. Features: 5 / 2 Day or 7 Day Programmable; 1 Preset Programme; Digital Display; 3 On/Off Periods per Day; Suitable for All Systems; 2 Year Manufacturer's Guarantee. Specifications: Switching/contact rating: 6A (2A). H x W x D: 85 x 140 x 34mm. 2-Channel. Backplate fit: 6-way. Suitable for underfloor heating. more...
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 Siemens RWB27 Timeswitch £45.3
Override facility. Holiday mode. Automatic BST/GMT time change. Boost control. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 24 Hour; 5 / 2 Day or 7 Day Programmable; 2 or 3 On / Offs per Day; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 6(2)A. Maximum load: 1.38kW. H x W x D: 90 x 145 x 34mm. more...
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 Siemens RWB29 Multi-Choice Programmer £37.49
Separate timing. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. EN 60730. Features: 24 Hour; 5 / 2 Day or 7 Day Programmable; Digital Display; 2 or 3 On/Off Periods per Day; Suitable for Gravity-Fed & Fully Pumped Systems; Backlit Display; Battery Back-Up; Energy Saving Trust Approved. Specifications: Switching/contact rating: 6(2)A. H x W x D: 90 x 145 x 34mm. Backplate fit: British Gas Standard. Not suitable for underfloor heating. more...
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 Siemens RWB30E Timeswitch £31.76
Override facility. Boost control. EN 60730. Features: 2 On/Off Periods per Day; 24 Hour Programmable; Energy Saving Trust Recommended. Specifications: Switching/contact rating: 6(2)A. Maximum load: 1.38kW. H x W x D: 90 x 145 x 50mm. more...
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 Superconcentrate Central Heating Cleanser 290ml £28.99
Quick and effective neutral cleanser. Removes debris, sludge and scale, restoring efficiency. Superconcentrate is applied via radiator, using applicator supplied. Non-hazardous. Features: Can be Used with Powerflush Machines; Suitable for All Heating System Metals; 10 Year Manufacturer's Guarantee. more...
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 Wilo 4035479 SB30 Secondary Circulating Pump £209.99
Suitable for secondary hot water systems. Features: 3 Speed Settings; 5m Max. Delivery Head; 1 Year Manufacturer's Guarantee; 1" BSP Connection; 4.4m/h Q Max. Flow Volume; 1kW Max. Application; IP42 Rated. Specifications: 230V. 130mm port to port. Max. temp. range: -10 to +110C. Weight 2.54kg. more...
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 Wilo 4132507 Smart Central Heating Pump 'A' Rated £69.99
Suitable for 95C. 1" BSP connection. Features: 3 Automatic Speed Settings; 4m Max. Delivery Head; 'A' Energy Rated; 5 Year Manufacturer's Guarantee; 1" BSP Connection; +2C to +95C Max Temp. Range; 3m/hr Q Max. Flow Volume; Can be Used for Max 24kW Applications; IP42 Rated; Kitemarked. Specifications: 230V. 130mm port to port. Max. temp. range: +2C to +95C. Weight 2.3kg. more...
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 Wilo Smart Pump Domestic Circulating Pump £68.99
Suitable for hot water, heating systems, cooling and air conditioning systems. Features: 3 Variable Speed Settings; Variable 6m Max. Delivery Head; 'B' Energy Rated; 5 Year Manufacturer's Guarantee; 1" BSP Connection; +2C to +95C Max Temp. Range; Flow Volume Q Maximum 3.5m/h; Can be Used for Max 30kW Applications; IP42 Rated; Kitemarked. Specifications: 230V 50hz. 130mm port to port. Max. temp. range: +2C to +95C. Weight: 2.5kg. more...
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 Wilo Stratos PICO Commercial Circulating Pump 230V £164.99
Suitable for hot water. 1" BSP connection. IP44 rated. Features: Variable Speed Settings; 6m Max. Delivery Head; 1 Year Manufacturer's Guarantee; 'A' Energy Rated; Flow Volume Q Max. 3.5m/hr; Can Be Used for Max. 40kW Applications. Specifications: 230V. 130mm port to port. Max. temp. range: +10C to +110C. Weight: 2.2kg. more...
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