Guarantee Lengths | Worcester Bosch

From listening to you, our installers, we have simplified our offering so that you can offer up to a 12 year guarantee.

Greenstar Lifestyle 8000

Standard Guarantee - 8 Years
With any Greenstar System Filter - 10 Years
With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 12 Years

*^{Full terms and conditions apply}

Greenstar 4000

Standard Guarantee – 7 Years
With any Greenstar System Filter – 8 Years
With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 10 Years

*^{Full terms and conditions apply}

Greenstar CDi & Si Compact, or Ri

Standard Guarantee - 7 Years
With any Greenstar System Filter - 8 Years
With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 10 Years

*Full terms and conditions apply

Greenstar 2000

Standard Guarantee - 7 Years*
With any Greenstar System Filter - 7 Years*

^{*Full terms and conditions apply}

Greenstar Oil Boilers

Standard Guarantee - 2 Years
With any Greenstar System Filter - 5 Years
With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 7 Years

*Full terms and conditions apply

Extend your guarantee with system filters

Extended guarantees can be achieved by fitting any of our Greenstar System.

Greenstar System Filter (22mm)
Greenstar System Filter (28mm)
Greenstar Mini System Filter (22mm)
Greenstar Brass System Filter (22mm)

Register your boiler guarantee

Simply complete the online guarantee registration form.

Loyalty scheme members please login to register your guarantee and collect points.

Join our loyalty scheme

Get rewarded for fitting our products, by earning points when you register your installs through your loyalty account. Convert points to cash, or spend them on workwear, power tools and more.

You can even reinvest your points on marketing and business support – the choice is yours!