Greenstar i System (9kW to 24kW) Greenstar i System (9kW to 24kW)
Greenstar i System (9kW to 24kW) Greenstar i System (9kW to 24kW)
Download ErP Data Sheet

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.

Download our easy guide, which covers everything you need to know about the Greenstar i System (9kW to 24kW)

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Main features

  • 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 †
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Greenstar 9i System LPG

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (LPG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
9.2
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 9i System

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (NG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
9.2
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 12i System LPG

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (LPG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
12.2
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 12i System

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (NG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
12.2
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 15i System

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (NG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
15.3
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 15i System LPG

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (LPG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
15.3
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 18i System LPG

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (LPG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
18.4
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 18i System

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (NG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
18.4
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 21i System LPG

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (LPG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
21.6
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 21i System

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (NG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
21.6
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 24i System LPG

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (LPG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
24.6
Dimensions (mm) height x width x depth
710 x 400 x 330

Greenstar 24i System

ErP Efficiency Rating
A
ErP Data Sheet
ErP Data Sheet
Fuel Type
Gas (NG)
Control Options
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
24.6
Dimensions (mm) height x width x depth
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 metre

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