Greenstar 4000 System Greenstar 4000 System
Greenstar 4000 System Greenstar 4000 System
Download ErP Data Sheet

Greenstar 4000 System Range overview

Effortlessly efficient comfort​.

​Designed to meet the needs of small and medium homes, without being loud or costly to run, the Greenstar 4000 is a big-time boiler with a superefficient rating. This is one to stand the test of time, warm you up whatever the weather, and keep your home running smoothly.​

​The 4000 can connect wirelessly to a smart thermostat for easy management and control wherever you are.​

​†Up to a 10 year guarantee when installed by a Worcester Accredited Installer or purchased via our FastTrack service. Terms and conditions apply.

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Main features

  • Quiet Mark certified - Powerful heating​ without the noise
  • Contemporary - Designed for stylish home interiors
  • Easy to control – Clear colour display​ for simple monitoring and control
  • Efficient – A-rated for optimum energy efficiency to help keep bills low
How can I purchase a Worcester product?

Greenstar 4000 12kW 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
Dimensions (mm) height x width x depth
724* x 400 x 310

Greenstar 4000 15kW System

ErP Efficiency Rating
A
ErP Data Sheet
Fuel Type
Gas (NG)
Control Options *
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
15
Dimensions (mm) height x width x depth
724* x 400 x 310

Greenstar 4000 18kW 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
Dimensions (mm) height x width x depth
724* x 400 x 310

Greenstar 4000 21kW 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
Dimensions (mm) height x width x depth
724* x 400 x 310

Greenstar 4000 24kW System

ErP Efficiency Rating
A
ErP Data Sheet
Fuel Type
Gas (NG)
Control Options *
EasyControl Compatible 1
Solar Compatible
Central heating output (kW)
24
Dimensions (mm) height x width x depth
724* x 400 x 310

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Each heating system needs custom designing. Find and contact a Worcester Accredited Installer in your area to book a home visit and get a free quote.

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