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Standard guarantee periods

Standard guarantee periods, terms and conditions

The table and links below it contain full information about our standard guarantee periods and our terms and conditions.

5 year guarantee promotion for Greenstar CDi, Si, Ri and all oil boilers

Please note that we are currently running a 5 year boiler guarantee promotion for selected boilers. The promotion is for an additional 3 year guarantee on top the the usual standard 2 year guarantee. Products eligible are Greenstar gas CDi and Si boilers (purchased and installed between 1st September 2011 to 30th June 2013), Greenstar gas Ri boilers (purchased and installed between 1st July 2012 and 30th June 2013) and all Greenstar oil boilers (purchased and installed between 1st April 2012 to 30th June 2013). For further information please refer to the terms and conditions.


Product Standard
Greenstar HE (High Efficiency) Gas-Fired Boilers: CDi, Ri, Si and i ranges 2 years
Greenstar HE (High Efficiency) Oil-Fired Boilers 2 years
SE (High Efficiency) Gas-Fired Boilers 2 years
SE Oil-Fired Boilers 2 years
GB162 Range 2 years
Greenspring Water Heater 2 years
Solar Thermal System (excluding collectors) 2 years
Ground Source Heat Pump 2 years
Air to Water Heat Pump 2 years
Air to Air Heat Pump 2 years
Domestic Hot Water Cylinder Components (excluding cylinder) 2 years
Greenfloor Underfloor Heating (excluding pipe) 2 years
Components Part Labour
Solar Collectors 10 years 2 years
WB3, WB5 and WB7 Heatcell 10 years 2 years
Underfloor PE-Xc Pipe 25 years 2 years
GB162 Heatcell 5 years 2 years
Greenspring Heatcell 2 years 2 years
Domestic Hot Water (DHW) Heat Exchanger 5 years 2 years
Domestic Hot Water (DHW) Mains Pressure Cylinder (excluding components) 25 years 2 years
Oil Boiler Primary Heat Exchanger 5 years 2 years
Oil Boiler Secondary Condensing Heat Exchanger 10 years 2 years
Timers and Controls (boiler mounted) 2 years 2 years

Terms and conditions


Guarantee terms and conditions

Gas boiler primary heat exchanger guarantee

Oil boiler heat exchanger guarantees

Domestic hot water secondary heat exchanger guarantee

Solar panel guarantee

Mains pressure domestic hot water storage cylinder guarantee

Underfloor heating guarantee

Service engineer visit terms and conditions

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