From listening to you, our installers, we have simplified our offering so that you can offer up to a 12 year guarantee. Get rewarded for fitting our products and offer your customers the longest guarantee lengths, simply complete the online guarantee registration form to sign up to our loyalty scheme.
Sign upGreenstar 8000+ Style
Register a Greenstar 8000+ Style with any Greenstar System Filter and receive up to a 12 year guarantee.
- Standard Guarantee - 8 Years
- With any Greenstar System Filter - 10 Years
- With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 12 Years
Greenstar 8000+
Register a Greenstar 8000+ with any Greenstar System Filter and receive up to a 12 year guarantee.
- Standard Guarantee - 8 Years
- With any Greenstar System Filter - 10 Years
- With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 12 Years
Greenstar 4000
Register a Greenstar 4000 with any Greenstar System Filter and receive up to a 10 year guarantee.
- Standard Guarantee – 7 Years
- With any Greenstar System Filter – 8 Years
- With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 10 Years
Greenstar CDi & Si Compact, or Ri
Register Greenstar CDi & Si Compact, or Ri with any Greenstar System Filter to receive up to a 10 year guarantee.
- Standard Guarantee - 7 Years
- With any Greenstar System Filter - 8 Years
- With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 10 Years
Greenstar 2000
Register a Greenstar 2000 with any brand of System Filter to receive a 7 year guarantee.
- Standard Guarantee - 7 Years*
- With any Greenstar System Filter - 7 Years*
Greenstar 1000
Register a Greenstar 1000 to receive a 5 year guarantee.
- Standard Guarantee - 5 Years
- With any Greenstar System Filter - 5 Years
Greenstar Oil Boilers
Register any Greenstar Oil boiler with any Greenstar System Filter to receive up to a 7 year guarantee.
- Standard Guarantee - 2 Years
- With any Greenstar System Filter - 5 Years
- With any Greenstar System Filter + £40* (Non-WAI loyalty members only) - 7 Years
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!
Worcester Bosch Professional App
Don’t forget you can register your guarantees and gas safe notifications via our Worcester Bosch Professional App!
Check your customers' guarantee length
Enter the 23 digit serial number to check the guarantee length remaining on your customers' guarantees.