Greenstar Gas Regular Boiler Models

Greenstar regular boilers meet all the demands of every size of home and are an ideal energy-efficient replacement for an existing boiler.

With quality and reliability at the heart of every Worcester regular boiler, they are robust enough to deliver efficient heating and hot water year after year.

With in excess of 90% efficiency, Greenstar regular boilers will help you to reduce your energy bills. They can enhance both heating and hot water performance, even where there are two or more bathrooms, or low mains water pressure.

The compact size and design means that can often fit into a standard kitchen cupboard. Replacement installation is often simple and straightforward, which keep disruption, mess and costs down.

Worcester Greenstar CDi Classic Regular series

Worcester’s Greenstar CDi Classic Regular boiler is the top performing regular boiler with impressive heating outputs making it an excellent choice for larger homes.

This boiler can be used with Worcester’s range of high efficiency Greenstore cylinders allowing stored hot water to be rapidly replenished.

Key benefits of the Worcester Greenstar CDi Classic Regular boiler:

  • Highest central heating output of the wall-hung Greenstar regular boiler range
  • Stored hot water can be rapidly replenished with high output options
  • Our CDi Classic has set the heating industry benchmark for efficiency, helping to reduce energy usage
  • Simple boiler control knob with temperature display
  • Large Condensesure style siphon built into the boiler – eliminates frost risk*

Fitted from £2300 Inc. VAT

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Greenstar 30CDi Classic Regular Greenstar 40CDi Classic Regular

ErP Efficiency Rating – Water Heating
A A

ErP Efficiency Rating – Space Heating
A A

ErP Data Sheet


ErP Data Sheet


ErP Data Sheet

LPG model available
Yes Yes

Wave Compatible
No No

Solar Compatible
Yes Yes

Control Options
No No

Central heating output (kW)
30 40

Dimensions (mm) height x width x depth
760 x 440 x 360 760 x 440 x 360

Greenstar Ri (27kW and 30kW)

The higher output Greenstar Ri boiler is a compact, wall mounted boiler that is perfect for medium and large-sized homes.

Small enough to be installed in a standard kitchen cupboard, this boiler can be used with Worcester’s range of high efficiency Greenstore cylinders for a complete Worcester system solution for your home.

Key benefits of the Worcester Greenstar Ri high output boiler:

  • Fits in a standard kitchen cupboard
  • Simple boiler control knob
  • User-friendly displays for ease of use
  • Can be used with Greenskies solar panels for energy and cost savings
  • Choice of controls enables greater comfort and economy*

Fitted from £2200 Inc. VAT

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Greenstar 27Ri Greenstar 30Ri

ErP Efficiency Rating – Water Heating
A A

ErP Efficiency Rating – Space Heating
A A

ErP Data Sheet


ErP Data Sheet


ErP Data Sheet

LPG model available
Yes Yes

Wave Compatible
No No

Solar Compatible
Yes Yes

Control Options
Yes Yes

Central heating output (kW)
27 30

Dimensions (mm) height x width x depth
600 x 390 x 270 600 x 390 x 270

Greenstar Ri (12kW to 24kW)

The Greenstar Ri boiler is a compact, wall mounted boiler that is perfect for small and medium sized homes. It is also perfect for replacing a boiler in an existing system.

Small enough to be installed in a standard kitchen cupboard, the boiler can be used with the range of high efficiency Greenstore cylinders for a complete Worcester system solution for your home.

Key benefits of the Worcester Greenstar Ri boiler:

  • Fits in a standard kitchen cupboard
  • Simple boiler control knob
  • Suitable for homes where the heating system includes a hot water storage cylinder
  • Frost protection is also included, reducing frost risk if installed in a garage or loft
  • Can be used with Greenskies solar panels for energy and cost savings

Fitted from £1744 Inc. VAT

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Greenstar 12Ri Greenstar 15Ri Greenstar 18Ri Greenstar 24Ri

ErP Efficiency Rating – Water Heating
A A A A

ErP Efficiency Rating – Space Heating
A A A A

ErP Data Sheet


ErP Data Sheet


ErP Data Sheet


ErP Data Sheet


ErP Data Sheet

LPG model available
Yes Yes Yes Yes

Wave Compatible
No No No No

Solar Compatible
Yes Yes Yes Yes

Control Options
No No No No

Central heating output (kW)
12 15 18 24

Dimensions (mm) height x width x depth
600 x 390 x 270 600 x 390 x 270 600 x 390 x 270 600 x 390 x 270

Greenstar CDi FS Regular

The Greenstar FS CDi Regular is a perfect replacement for an older floor standing boiler in a larger property.

This boiler can be used with Worcester’s range of high efficiency Greenstore cylinders allowing stored hot water to be rapidly replenished.

Key benefits of the Worcester Greenstar FS CDi boiler:

  • Fits underneath a standard kitchen worktop
  • Stored hot water can be rapidly replenished with high output options
  • Simple boiler control knobs with temperature display
  • Can be used with Greenskies solar panels for energy and cost savings

Please ask for pricing

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Greenstar FS 30CDi Regular Greenstar FS 42CDi Regular

ErP Efficiency Rating – Water Heating
A A

ErP Efficiency Rating – Space Heating
A A

ErP Data Sheet


ErP Data Sheet


ErP Data Sheet

LPG model available
Yes Yes

Wave Compatible
No No

Solar Compatible
Yes Yes

Control Options
No No

Central heating output (kW)
30 41

Dimensions (mm) height x width x depth
850 x 400 x600 850 x 400 x600

New Boiler Special Offer

For a limited time period, when you buy any new gas boiler, we’re offering your first year’s service worth £78 (inc. VAT) absolutely FREE.

Contact us today to get your quote and find out more.

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