Worcester Bosch
Greenstar Ri 21kW Regular
A 21kW regular boiler from Worcester Bosch — installed in a single day by Gas Safe registered engineers.
Built for real homes.
Not showrooms.
The Worcester Bosch Greenstar Ri 21kW is designed to work quietly, efficiently, and reliably — for years to come.
- Fits inside a kitchen cupboard
- Simple flow temperature control
- Compatible with solar water heating
- Works with a hot water cylinder and loft tanks
- 21kW heat output — Regular boiler
- 21kW central heating output
- 8 year manufacturer warranty
- 92% ErP efficiency rating
One price.
Everything covered.
No surprise add-ons. Your quote covers everything needed for a complete installation that meets all gas safety regulations, carried out by Gas Safe registered engineers.
Price and installation time varies depending on your installation requirements. Answer a few quick questions to get your exact fixed price.
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Worcester Bosch Greenstar Ri 21kW
The Worcester Bosch Greenstar Ri 21kW is a regular (heat-only) boiler for homes that keep their hot water cylinder and loft tanks. It's wall-mounted and compact enough to fit inside a kitchen cupboard.
It's controlled with a simple flow temperature dial and is compatible with solar water heating.
Fitted with a Greenstar System Filter, it comes with an 8-year Worcester Bosch guarantee.
Don't let cost get
in the way of warmth.
Spread the cost of your new boiler over monthly payments that fit your budget. Available through Ideal4Finance, subject to status.
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