Worcester Bosch Greenstar 8000+ 40kW Gas Combi Boiler
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Worcester Bosch Greenstar 8000+ 40kW Gas Combi Boiler
(Approx. 3-5 working days)


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The Worcester Bosch Greenstar 8000+ 40kW is a wall mounted gas condensing combination boiler designed for properties with high heating and hot water demand. It provides up to 40kW domestic hot water output and 33.7kW central heating output, achieving 94% efficiency in line with ErP A-rating standards.
The boiler includes a full colour touchscreen display with back lit touch buttons for straightforward control and system management. It is compatible with smart thermostats for remote operation and monitoring.
Installation is supported by rear piping options, a pre-plumbing jig, and integrated condensate drain-off and siphon. The Intelligent Filling System helps maintain system pressure automatically.
- 94% ErP A-rated efficiency for energy savings
- 40kW hot water output for high demand applications
- Touchscreen display with back lit controls
- Rear piping and pre-plumbing jig simplify installation
- Intelligent Filling System maintains correct pressure
| Brand | Worcester |
|---|---|
| Width | 440 mm |
| Depth | 365 mm |
| Display Type | Full Colour Touchscreen |
| Flow Rate | 14.7 l/h |
| Flue Included | No |
| Heating Energy Rating | A |
| Height | 780 mm |
| Central Heating Output | 33.7 kW |
| Model Name / No | 7736702582 |
| Water Energy Rating | A |
| Colour | White |
| Mount Type | Wall Mounted |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
The Worcester Bosch Greenstar 8000+ 40kW is a wall mounted gas condensing combination boiler designed for properties with high heating and hot water demand. It provides up to 40kW domestic hot water output and 33.7kW central heating output, achieving 94% efficiency in line with ErP A-rating standards.
The boiler includes a full colour touchscreen display with back lit touch buttons for straightforward control and system management. It is compatible with smart thermostats for remote operation and monitoring.
Installation is supported by rear piping options, a pre-plumbing jig, and integrated condensate drain-off and siphon. The Intelligent Filling System helps maintain system pressure automatically.
- 94% ErP A-rated efficiency for energy savings
- 40kW hot water output for high demand applications
- Touchscreen display with back lit controls
- Rear piping and pre-plumbing jig simplify installation
- Intelligent Filling System maintains correct pressure
| Brand | Worcester |
|---|---|
| Width | 440 mm |
| Depth | 365 mm |
| Display Type | Full Colour Touchscreen |
| Flow Rate | 14.7 l/h |
| Flue Included | No |
| Heating Energy Rating | A |
| Height | 780 mm |
| Central Heating Output | 33.7 kW |
| Model Name / No | 7736702582 |
| Water Energy Rating | A |
| Colour | White |
| Mount Type | Wall Mounted |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.


