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Overview
- Central heating outputs of 12 to 18kW, 18 to 25 kW and 25 to 32kW
- Highly efficient and extremely quiet in operation
- A-rated boiler (SEDBUK 2005 value)
- Robust construction includes an insulated, weather-proof cabinet
Technical specification
Boiler Type
Heat Only
ERP Rating
A
Depth
800 mm
Height
1078 mm
Width
600 mm
Maximum Vertical Flue 125mm
8 m
External or Internal
External
SEDBUK SAP 2009 Rating
A
SEDBUK SAP 2005 Rating
A
CH Condensing Max Output
18 kW
Heat Output
18 kW
Fuel Type
Oil
Noise Level
56dB
Solar Compatible
Y
Type
Oil Boiler
Years Guaranteed
2
Registered with the Energy Savings Trust
Y
Manufacturer Model No
7731600149
Made To Order
N
Brand Name
Worcester Bosch
Reviews
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Greenstar Heatslave II 25/32 2022+
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.
£4,536.40 each (Inc. VAT)
Worcester Greenstar 4000 30kW Combi 7733600373
Built on all the tried, tested and much-loved features of the Greenstar i, the Greenstar 4000 is instantly familiar and yet totally transformed in appearance, performance and installer plus points. We have raised the bar with the speed and ease of installation, commissioning and servicing, alongside improvements in efficiency and control.
£1,728.05 each (Inc. VAT)
Worcester Greenstar 4000 21kW System Lpg 7733600384
Built on all the tried, tested and much-loved features of the Greenstar i, the Greenstar 4000 is instantly familiar and yet totally transformed in appearance, performance and installer plus points. We have raised the bar with the speed and ease of installation, commissioning and servicing, alongside improvements in efficiency and control.
£1,824.82 each (Inc. VAT)
NEW
Modernise your home heating with the Worcester Bosch Greenstar 4000 12kW System Boiler (7733600377), the direct upgrade to the Greenstar i range. Designed for small- to medium-sized homes with unvented or traditional hot water cylinders, it offers quiet, high-efficiency performance. Featuring a sleek redesign and Quiet Mark certification, it operates silently while reducing energy bills with its wide power modulation.
£1,478.53 each (Inc. VAT)