5 year guarantee promotion
5 year gas and oil boiler guarantee promotion
A fantastic 5 year Worcester boiler guarantee* is available on oil boilers and selected gas boilers purchased and installed between 1st April and 30th June 2012.
The promotion is for an additional 3 year guarantee on top of the standard 2 year boiler guarantee, providing you with 5 years’ peace of mind.
Gas boilers
The 5 year guarantee on Greenstar CDi and Si gas boilers is extended until 30th June 2012. This promotion has already been running on these gas boilers since 1st September 2011.
Oil boilers
The 5 year guarantee promotion has also been added to all our Greenstar oil boilers purchased and installed between 1st April 2012 and 30th June 2012.
How to register your boiler guarantee
To register your boiler, simply complete the online boiler guarantee registration form.
Boiler guarantee registration form
*Terms and conditions apply - see below.
Further information
Find your local boiler installer
Terms and conditions
- All Greenstar gas-fired CDi and Si condensing boilers, and all Greenstar oil-fired boilers are valid for this promotion.
- The qualifying boilers must be serviced annually for the additional 3 year guarantee and the Greenstar gas-fired boilers must be purchased and installed between 1st September 2011 and 30th June 2012 and registered within 30 days with Worcester, Bosch Group.
- The Greenstar oil-fired boilers must be purchased and installed between 1st April 2012 and 30th June 2012 and registered within 30 days with Worcester, Bosch Group.
- Offer does not apply to contracts.
- This offer cannot be used in conjunction with any other Worcester, Bosch Group offer.
- Offer applies to UK mainland, Northern Ireland, Isle of Man and the Republic of Ireland only.
- The decision of Worcester, Bosch Group is final.
Worcester, Bosch Group is a brand name of Bosch Thermotechnology Ltd.


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