Your search for "central heating"
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| Quick and effective neutral cleanser. Removes debris, sludge and scale, restoring efficiency. Superconcentrate is applied via radiator, using applicat |
  | £28.99 |
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| Suitable for 110C fluid, 55C ambient. 1" BSP connection. IP42 rated. Kitemarked. Features: 3 Speed Settings; 2 Year Manufacturer's Guarantee; 4.82m Ma |
| £42.99 |
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| Provides long term protection of domestic central heating systems against internal corrosion, limescale formation and bacterial contamination. Prevent |
| £18.99 |
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| 500ml. Disperses sludge, limescale and system debris. Restores circulation and improves heating efficiency. 500ml treats 100 litres. |
| £9.99 |
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| Designed for the contract market. Features: Independent Settings for Hot Water & Central Heating; Integrated Components for Trouble-Free Installation; |
| £84.99 |
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| 1Ltr. Apply to existing systems for the removal of sludge and deposits. Iron oxide is broken down and dispersed through flushing. Features: Removes Sl |
| £16.99 |
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| 310ml. Disperses sludge, limescale and system debris. Restores circulation and improves heating efficiency. 1 tube treats 100 litres. |
| £14.49 |
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| 500ml. Reduces boiler noise, eliminates kettling and restores heat transfer efficiency. Suitable for all boiler types and compatible with all No Nonse |
| £9.99 |
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| Quick and effective neutral cleanser. Removes debris, sludge and scale, restoring efficiency. Non-toxic. Features: Can be Used with Powerflush Machine |
| £18.99 |
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| Suitable for 95C. 1" BSP connection. Features: 3 Automatic Speed Settings; 4m Max. Delivery Head; 'A' Energy Rated; 5 Year Manufacturer's Guarantee; 1 |
| £69.99 |
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| Effective frost protection with BuildCert standard scale and corrosion control. Suitable for all central heating types including those containing alum |
| £24.99 |
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| 500ml. Internal leak sealer for small, inaccessible leaks and weeping joints which reduce system pressure. Effective within 1-24 hours. 500ml treats 1 |
| £9.99 |
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| 310ml. Reduces boiler noise, eliminates kettling and restores heat transfer efficiency. Suitable for all boiler types. Compatible with all No Nonsense |
| £14.49 |
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| 1Ltr. General purpose treatment for total protection against scale and corrosion. For use in all types of indirect central heating systems, including |
| £13.59 |
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| 310ml. Protects against corrosion and limescale formation to maintain system efficiency. Suitable for mixed metal systems including aluminium. 1 tube |
| £11.89 |
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| Provides long term protection of domestic central heating systems against internal corrosion and limescale formation. Prevents corrosion of all metals |
| £28.99 |
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| 310ml. Internal leak sealer for small inaccessible leaks and weeping joints which reduce system pressure. Effective within 1-24 hours. 1 tube treats 1 |
| £14.49 |
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| 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 Pro |
| £30.99 |
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| 4-wire installation. Override facility. Automatic BST/GMT time change. Made in accordance with EN 60730. 24 hour programmable. Features: 24 Hour Progr |
| £57.99 |
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| Bi-metallic sensor. Surface mounted. Features: Suitable for All Domestic Systems; Fixing Strap Included; Energy Saving Trust Recommended. Specificatio |
| £11.11 |
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| 3-wire installation. Override facility. Boost control. BS EN 60730-2-7:1995. Features: 2 Year Manufacturer's Guarantee; Immersion Heaters; Oil-Filled |
| £26.99 |
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| 3-wire installation. Override facility. Holiday mode. Boost control. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 1 Preset Programme |
| £41.28 |
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| 5Ltr. With corrosion and limescale inhibitors. |
| £29.99 |
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| Flushes out flux and installation debris from new, indirect central heating systems and those up to 6 months old. An essential preventative of scale a |
| £16.99 |
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| Electronic sensing element. 2-wire installation. Override facility. Holiday mode. EN 60730. Features: Digital Display; Touch Screen; Frost Protection; |
| £63.52 |
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| Electronic sensing element. 3-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Features: Digital Display; 6 On/Off P |
| £69.99 |
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| 3 wire installation. Override facility. Holiday mode. Boost control. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 1 Preset Programme |
| £49.99 |
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| 275ml. Cleans corrosion debris without risk of leaks. Helps restore circulation. No neutralisation needed. Suitable for all metals. Apply using a caul |
| £25.99 |
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| Independent timing. 5-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. EN 60730-2-7. Features: 24 Ho |
| £55.99 |
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| 4-wire installation. Override facility. Automatic BST/GMT time change. Made in accordance with EN 60730. 5 / 2 day programmable. Features: 5 / 2 Day P |
| £56.19 |
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| Electronic sensing element. 2-wire installation. Override facility. Automatic BST/GMT time change. EN60730-1:1995 and EN 60730-2-9:2002. Features: Dig |
| £63.52 |
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| Electronic sensing element. 2-wire installation. Override facility. Holiday mode. EN 60730. Features: Digital Display; Touch Screen; Frost Protection; |
| £129.99 |
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| Electronic Room Thermostat. Specifications: Switch/contact rating: SPDT.IP30. 10A. Temperature range 5-30C. H x W x D: 86 x 85 x 42. |
| £14.99 |
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| Suitable for hot water, heating systems, cooling and air conditioning systems. Features: 3 Variable Speed Settings; Variable 6m Max. Delivery Head; 'B |
| £68.99 |
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| Common timing. Minimum 5-wire installation. CE marked. Features: 24 Hour Programmable; Digital Display; 1 or 2 On/Off Periods per Day; Suitable for Gr |
| £86.99 |
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| Separate timing. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. EN 60730. Features: 24 Hour; 5 / 2 Day or 7 Day Progr |
| £44.99 |
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| Separate timing. 2-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. Building regulations compliant, |
| £75.99 |
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| 500ml. Reusable kit that helps feed chemical treatment into central heating systems faster. Fits " BSP taper and union coupling. Use with No Nonsense |
| £3.49 |
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| 4-wire installation. Override facility. Automatic BST/GMT time change. Made in accordance with EN 60730. 24 hour programmable. Features: 24 Hour Progr |
| £49.99 |
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| Separate timing. 3-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function. EN 60730-1:2001 and EN 60730-2-7 |
| £138.99 |
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| Electronic sensing element. 2 or 3-wire installation. Made in accordance with EN 60730. Features: 2 or 3-Wire Installation. Specifications: Switch/con |
| £14.99 |
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| Gas bellows sensing element. 2-wire installation. EN 60730. Features: 2-Wire Installation; Energy Saving Trust Approved. Specifications: Switch/contac |
| £11.99 |
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| Electronic sensing element. Wireless. Override facility. Holiday mode. Automatic BST/GMT time change. Features: Digital Display; 1; 2 or 3 On / Off Pe |
| £117.44 |
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| Bi-metallic sensor. Surface mounted. Features: Suitable for Most Domestic Systems; Fixing Strap Included; 2 Year Manufacturer's Guarantee; Energy Savi |
| £9.59 |
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| Suitable for hot water, heating systems, cooling and air conditioning systems. 1" BSP connection. IP44 rated. Kitemarked. Features: 3 Speed Settings; |
| £89.99 |
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| Suitable for secondary hot water systems. Features: 3 Speed Settings; 5m Max. Delivery Head; 1 Year Manufacturer's Guarantee; 1" BSP Connection; 4.4m/ |
| £209.99 |
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| 2-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost control. EN 60730-2-7. Features: Digital Display; 3 On/Off |
| £47.99 |
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| Reusable kit that helps feed chemical treatment into central heating systems faster. Fits " BSP taper and BSP union coupling. Use with central heating |
| £3.49 |
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| 4-wire installation. Override facility. Automatic BST/GMT time change. Made in accordance with EN 60730. 7 day programmable. Features: 7 Day Programma |
| £64.99 |
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| Electronic sensing element. 2-wire installation. Override facility. Features: Digital Display; 4 On/Off Periods per Day; 5 / 2 Day Programmable; 2 Yea |
| £23.99 |
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| Electronic sensing element. 3-wire installation. EN 60730. Features: 3-Wire Installation; Energy Saving Trust Approved. Specifications: Switch/contact |
| £11.74 |
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| 3-wire installation. Override facility. Automatic BST/GMT time change. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 1 Preset Program |
| £43.99 |
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| 3-wire installation. Override facility. Automatic BST/GMT time change. EN 60730. Features: Digital Display; 3 On/Off Periods per Day; 1 Preset Program |
| £49.99 |
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| Common timing. 5-wire installation. Override facility. Boost function. EN 60730-2-7. Features: 24 Hour Programmable; 2 On/Off Periods per Day; Suitabl |
| £61.99 |
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| Electronic sensing element. 2-wire installation. Override facility. EN 60730. Features: Digital Display; 2-Wire Installation. Specifications: Switch/c |
| £35.99 |
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| Bi-metallic sensor. Surface mounted. Positive on/off setting. Approved to EN 60730. Features: Suitable for All Systems; Fixing Strap Included; Double |
| £14.49 |
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| 4Ltr. Gives long-term protection of domestic central heating systems against internal corrosion and limescale formation. Prevents corrosion of all met |
| £28.99 |
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| 1Ltr. A unique, life-long system treatment for the elimination of limescale and boiler noise. Reduces fuel usage. Safe to use in all types of indirect |
| £16.99 |
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| Common timing. 5-wire installation. Override facility. Boost function. EN 60730-2-7. Features: 24 Hour Programmable; 2 On/Off Periods per Day; Suitabl |
| £59.99 |
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| 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 Pre |
| £25.49 |
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| Electronic sensing element. 2-wire installation. Override facility. EN 60730. Features: Digital Display; 2 On / Off Periods per Day; 24 Hour Programma |
| £38.99 |
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| Electro-mechanical sensor. Surface mounted. Complies with EN 60730. Conforms to 89/336/EEC and 73/23/EEC. Features: Suitable for All Domestic Systems; |
| £15.99 |
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| 1-wire installation. Override facility. EN 60630-2-7. Features: 2 On/Off Periods per Day; 2 Preset Programmes; 24 Hour Programmable; Energy Saving Tru |
| £54.99 |
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| 3-wire installation. Override facility. Boost control. BS EN 60730-2-7:1995. Features: 2 Year Manufacturer's Guarantee; Heating Extension Timer. Speci |
| £26.99 |
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| 10-way junction box with strain relief on all entries, for use on various central heating wiring applications. Complies with electrical approvals and |
| £6.99 |
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| Used throughout domestic heating systems for sealing small, inaccessible leaks. Does not block air vents and pumps. |
| £18.99 |
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| Great value electronic programmer, with independent settings for hot water and central heating. Easy-fit. Supplied with thermostats, motorised valve a |
| £62.99 |
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| Used throughout domestic heating systems for sealing small inaccessible leaks. Compatible with all systems metals. Easily applied via radiator with th |
| £28.99 |
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| 2-zone valve pack. A complete heating control system that incorporates both low voltage wiring and plug-in connections to minimise errors and make wir |
| £154.34 |
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| Mid-position pack. A complete heating control system that incorporates both low voltage wiring and plug-in connections to minimise errors and make wir |
| £189.99 |
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| Separate timing. Override facility. Automatic BST/GMT time change. Boost function. Features: 24 Hour Programmable; 1 Preset Programme; Digital Display |
| £69.99 |
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| 4-wire installation. Override facility. Automatic BST/GMT time change. Boost function. Features: 24 Hour Programmable; 1 Preset Programme; Digital Dis |
| £49.99 |
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| Suitable for hot water. 1" BSP connection. IP44 rated. Features: Variable Speed Settings; 6m Max. Delivery Head; 1 Year Manufacturer's Guarantee; 'A' |
| £164.99 |
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| Electronic sensing element. 2-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Made in accordance with EN 60730. 24 |
| £54.99 |
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| Includes ECO button with countdown display for energy saving mode. CE marked. Conforms to protection requirements of 2006/95/EC & 2004/108/EC. WEEE & |
| £32.69 |
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| Battery powered. Override facility. EN 60730-2-9. Features: Digital Display; 2-Wire Installation; Digital; 2 Year Manufacturer's Guarantee. Specificat |
| £74.65 |
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| Mains powered frost thermostat. Override facility. EN 60730-2-9. Features: 2-Wire Installation; Mechanical; Frost Protection; 2 Year Manufacturer's Gu |
| £23.99 |
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| Mains powered, tamper-proof room thermostat. Override facility. EN 60730-2-9. Features: 2-Wire Installation; Mechanical; 2 Year Manufacturer's Guarant |
| £26.65 |
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| Suitable for hot water, heating systems, cooling and air conditioning systems. 1" BSP connection. IP42 rated. Kitemarked. Features: Variable Speed Set |
| £159.99 |
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| Helps reduce boiler noise. Improves heat transfer efficiency. Non-toxic. Features: Suitable for All Boiler Types; Prevents Bacterial Contamination; 10 |
| £18.99 |
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| Helps reduce boiler noise. Improves heat transfer efficiency. Non-toxic. Features: Suitable for All Boiler Types; Prevents Bacterial Contamination; 10 |
| £28.99 |
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| Electronic sensing element. Wireless. Override facility. Features: Digital Display; 5 On/Off Periods per Day; 5 / 2 Day Programmable; 2 Year Manufactu |
| £47.99 |
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| Electronic sensing element. Wireless. Override facility. EN 60730. Features: Digital Display; Wireless; Frost Protection; Easy to Read. Specifications |
| £74.99 |
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| Electronic sensing element. Wireless. Override facility. EN 60730. Features: Digital Display; Wireless. Specifications: Switch/contact rating: 2(1)A 2 |
| £102.99 |
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| Electronic sensing element. Wireless. Override facility. EN 60730. Features: Digital Display; 2 On/Off Periods per Day; 24 Hour Programmable; Frost Pr |
| £79.99 |
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| Hard wired or battery powered. Features: 24 Hour Programmable; 6 Time & Temperature Events per Day. Specifications: Switching/contact rating: 3(1)A 10 |
| £54.99 |
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| Suitable for hot water, heating systems, cooling and air conditioning systems. 1" BSP connection. IP44 rated. Kitemarked. Features: 3 Speed Settings; |
| £79.99 |
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| Sentinel Rapid-Dose X400 has been formulated for the effective cleaning of existing central heating systems where there is a significant amount of cor |
| £14.99 |
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| Electronic sensing element. Wireless. Override facility. Made in accordance with EN 60730. Features: Digital Display; 2; 4 or 6 On/Off Periods per Day |
| £114.99 |
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| 275ml. General purpose treatment for total protection against scale and corrosion. For use in all types of indirect central heating systems, including |
| £20.79 |
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| 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 |
| £14.99 |
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| Internal Leak Sealer for small inaccessible leaks and weeping joints in all types of indirect heating systems including those containing aluminium com |
| £11.99 |
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| Long life system treatment eliminates lime scale and reduces noise. Suitable for use with all metals including aluminium. Non-acidic. Features: Non-Co |
| £14.99 |
