Worcester Bosch Greenstar 1000 24kW Gas Fired Condensing Combi Boiler
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Worcester Bosch Greenstar 1000 24kW Gas Fired Condensing Combi Boiler
(Approx. 3-5 working days)


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The Worcester Bosch Greenstar 1000 24kW is a compact wall hung condensing combi boiler designed to provide central heating and instantaneous domestic hot water. It features integrated hydraulic connections and a simple rotary control interface for straightforward operation.
This model is suitable for installation in confined spaces such as kitchen cupboards. It includes the QuickTap function to reduce water wastage while waiting for hot water. The boiler achieves an ErP A rating with a seasonal space heating efficiency of approximately 94% and water heating efficiency of around 84%.
The 24kW version incorporates a stainless steel heat exchanger, a fully modulating 1:5 gas input ratio, and operates at low sound levels (around 52dB). It provides a domestic hot water flow rate of approximately 8.5 litres per minute and is compatible with common heating controls including Nest, Hive, and Worcester Bosch systems.
- Compact wall hung design measuring 655mm × 395mm × 285mm
- 24kW output with 8.5 litres per minute hot water flow rate
- ErP A rated for space and water heating efficiency
- Stainless steel heat exchanger for corrosion resistance
- QuickTap function reduces cold water waste before hot water flows
| Brand | Worcester |
|---|---|
| Width | 395 mm |
| Depth | 285 mm |
| Flow Rate | 8.5 l/h |
| Flue Included | No |
| Fuel Type | Gas |
| Heating Energy Rating | A |
| Height | 655 mm |
| Central Heating Output | 24 kW |
| Model Name / No | 7736902178 |
| Weight | 26.7 kg |
| Water Energy Rating | A |
- 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 1000 24kW is a compact wall hung condensing combi boiler designed to provide central heating and instantaneous domestic hot water. It features integrated hydraulic connections and a simple rotary control interface for straightforward operation.
This model is suitable for installation in confined spaces such as kitchen cupboards. It includes the QuickTap function to reduce water wastage while waiting for hot water. The boiler achieves an ErP A rating with a seasonal space heating efficiency of approximately 94% and water heating efficiency of around 84%.
The 24kW version incorporates a stainless steel heat exchanger, a fully modulating 1:5 gas input ratio, and operates at low sound levels (around 52dB). It provides a domestic hot water flow rate of approximately 8.5 litres per minute and is compatible with common heating controls including Nest, Hive, and Worcester Bosch systems.
- Compact wall hung design measuring 655mm × 395mm × 285mm
- 24kW output with 8.5 litres per minute hot water flow rate
- ErP A rated for space and water heating efficiency
- Stainless steel heat exchanger for corrosion resistance
- QuickTap function reduces cold water waste before hot water flows
| Brand | Worcester |
|---|---|
| Width | 395 mm |
| Depth | 285 mm |
| Flow Rate | 8.5 l/h |
| Flue Included | No |
| Fuel Type | Gas |
| Heating Energy Rating | A |
| Height | 655 mm |
| Central Heating Output | 24 kW |
| Model Name / No | 7736902178 |
| Weight | 26.7 kg |
| Water Energy Rating | A |
- 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.


