Greenstar i System (9kW to 24kW) overview
Our Greenstar i System boiler is our most popular system boiler that is suitable for small to medium sized homes.
This boiler can also be used with our high efficiency Greenstore cylinders for a complete Worcester system solution for your home.
- Simple boiler controls with clear information display
- Suitable for homes where the heating system includes a hot water storage cylinder
- Choice of controls enables greater comfort and economy*
- Can be used with Greenskies solar panels for energy and cost savings
- Low energy pump reduces electrical usage
- Large Condensesure style siphon built into the boiler - eliminates frost risk †
This efficiency rating icon is for a product within a range of products. View all products in this range
Technical Details
| Greenstar 9i System | Greenstar 12i System | Greenstar 15i System | Greenstar 18i System | Greenstar 21i System | Greenstar 24i System | |
|---|---|---|---|---|---|---|
| ErP Efficiency Rating |
A
|
A
|
A
|
A
|
A
|
A
|
| ErP Data Sheet | ErP Data Sheet | ErP Data Sheet | ErP Data Sheet | ErP Data Sheet | ErP Data Sheet | ErP Data Sheet |
| LPG model available | ||||||
| EasyControl Compatible | ||||||
| Solar Compatible | ||||||
| Control Options | ||||||
| Central heating output (kW) | 9 | 12 | 15 | 18 | 21 | 24 |
| Dimensions (mm) height x width x depth | 710 x 400 x 330 | 710 x 400 x 330 | 710 x 400 x 330 | 710 x 400 x 330 | 710 x 400 x 330 | 710 x 400 x 330 |
*With installation of optional built-in diverter valve
† The Condensesure Siphon has been proven to be effective at preventing frozen condensate at -15°C for a sustained period of 48 hours. 32mm pipework must be used and should not exceed 3 metreRelated documents
- Greenstar 12-24 i System ErP Operating Instructions Manufactured after 01.03.15
- Gas Consumer Brochure Manufactured after 01.01.16
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