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White boiler unit with a sleek design, featuring a blue indicator light and the Worcester Bosch logo prominently displayed on the front.

Greenstar Heatslave II 12/18 2022+

by Worcester Bosch

£3998.35
GTIN04057749656865
EAN4057749656865
MPN267238
Prices updated 7 Sept 2026

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Product Description

The high performance floor-standing Greenstar Heatslave II series is the UK's most popular oil-fired combi boiler. With a range of models available, making it suitable for small, medium and large sized properties, the boiler features a unique slide-out control panel which allows simple boiler adjustment and programming, as well as easy access installer connections and a one piece stainless steel primary baffle for rapid servicing and maintenance. Best Boiler Efficiency Rating (SEDBUK band A) Instantaneous supply of hot water available Improved heating response time Higher outputs suitable for larger, 2 bathroom properties

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