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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 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 June 30th 2012) and all Greenstar oil boilers (purchased and installed between 1st April to 30th June 2012). For further information please refer to the terms and conditions.


Product Standard
Greenstar HE Gas-Fired Boilers 2 Years
Greenstar HE Oil-Fired Boilers 2 Years
SE Gas-Fired Boilers 2 Years
SE Oil-Fired Boilers 2 Years
Solar System 2 Years
Ground Source Heat Pump 2 Years
Air to Water Heat Pump 2 Years
Air to Air Heat Pump 2 Years
DHW Cylinder Components (excluding cylinder) 2 Years
Components Part Labour
Solar Panels 10 years 2 Years
WB3 & WB5 Heatcell 10 years 2 Years
DHW Heat Exchanger 5 Years 2 Years
DHW Cylinder (excluding components) 25 Years 2 Years
Oil Boiler Primary HT/Exchanger 5 Years 2 Years
Oil Boiler Condensing HT/Exchanger 10 years 2 Years
Timers and controls (boiler mounted) 2 Years 2 Years

Terms and conditions


Guarantee terms and conditions

Greenstar gas boiler primary heat exchanger guarantee

Oil-fired boiler primary heat exchanger guarantee

Domestic hot water secondary heat exchanger guarantee

Solar panel guarantee

Domestic hot water mains pressure cylinder guarantee

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