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Worcester Greenstar 28CDI Compact (ErP) Combi Boiler, Quick-List

Current Quick List Price

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Due to global component shortages this item has been identified as low in stock. This does not prevent you from placing an order, however, we may not be able to deliver the item next day in full as we normally would. We advise you to call your local branch and speak to one of our in-house experts who will be pleased to help identify if an alternative product might be available immediately. Please be assured our teams are doing everything they can to get your order to you as quickly as possible

The Greenstar 28CDi Compact gas combi is part of Worcesters smallest and most efficient boiler ranges suited to properties that demand high outputs from a boiler that can fit within a standard kitchen cupboard. The ability to condense in both heating and hot water modes enables this top-of-the-range combi to deliver greater efficiency and fuel savings.

  • Cupboard-size dimensions
  • Supplied with innovative wall-mounting jig for easy installation
  • Fully modulating pump for reduced electricity consumption and quieter operation
  • Simple and intelligent control options available
  • Comfort and ECO modes to suit hot water needs
  • Built-in frost protection
Manufacturer Product Number
Boiler Model
CDI Compact
Boiler Type
Combination Boiler
Fuel Used
Natural Gas
Boiler Height
Boiler Width
Boiler Depth
Boiler CH Output (Kw)
Max DHW Output (Kw)
Boiler CH Output (BTU)
Domestic hot water flow rate
11.4L @ 35°C Rise
Energy Efficiency
ErP Hot Water Rating
A Rated for Hot Water
ErP Heating Rating
A Rated for Heating
Manufacturers Warranty
5 Years (Subject to Manufacturers T&C's)
Mr CH's Warranty advice
Warranty Terms and Conditions
Customer Questions
What are the internal and external sizes of the BoilerBox

Inner - 76.8cm L x 57cm W x 41.5cm H - Outer - 80cm L x 60cm W x 44.5cm H

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Grouped product items
Worcester Greenstar 28CDI Compact (ErP) Combi Boiler only
£1,083.24 £902.70
+ -
Worcester Telescopic 350 mm - 570 mm Horizontal Flue Kit
£91.37 £76.14
+ -
Worcester Long Telescopic Horizontal Flue Kit (570mm - 790mm)
£97.01 £80.84
+ -
Worcester Vertical Flue Kit (inc Adaptor)
£121.82 £101.52
+ -
Worcester Vertical Adaptor
£43.99 £36.66
+ -
Worcester 220mm Short Flue Extension
£27.07 £22.56
+ -
Worcester 960 mm Flue Extension
£48.50 £40.42
+ -
Worcester 2 Metre Flue Extension
£111.67 £93.06
+ -
Worcester 90 Degree Flue Bend
£38.35 £31.96
+ -
Worcester 45 Degree Flue Bends (Pair)
£72.19 £60.16
+ -
Worcester Plume Management Kit
£73.32 £61.10
+ -
Worcester 1 Metre Plume Extension
£24.82 £20.68
+ -
Worcester 90 Degree Plume Bend
£30.46 £25.38
+ -
Worcester 45 Degree Plume Bend (Pair)
£25.94 £21.62
+ -
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Current Quick List Price

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