Greenstar i System (9kW to 24kW) Greenstar i System (9kW to 24kW) 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.

Greenstar gas-fired system boilers must be fitted with the optional Internal Diverter Valve if any Worcester control is desired.

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

 

Wall mounting jig providing pre-plumbing and rear piping as standard
Low lift weight
Single panel front for ease of removal
Central heating flow temperatures can be adjusted using simple up/down button
Plug & play optional Worcester controls available*
Fan can be removed with just one screw and the expansion tank is now inside the boiler
Large siphon inside - eliminates risk of condensate pipe freezing †
Achieves an A+ ErP efficiency rating for heating when installed with a Wave smart internet connected control (Excludes 9kW variant)
Commissioning information for easier completion of the Benchmark checklist
Homeowner service reminder
Scan and register the boiler using our free MyWorcester App

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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