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Greenstar Heatslave II Ext 18/25

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Overview

The Greenstar Heatslave II series is the UK’s most popular external oil-fired combi boiler. With a range of models available, making it suitable for small, medium and large sized properties, the boiler features a robust IP45 weatherproof cabinet to protect from the weather 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

Technical specification

ERP Rating
A
Boiler Type
Combi
Depth
795 mm
Height
1080 mm
Width
744 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
25 kW
Heat Output
25 kW
Fuel Type
Oil
Noise Level
56dB
Solar Compatible
Y
Type
Oil Boiler
Years Guaranteed
2
Registered with the Energy Savings Trust
Y
Made To Order
N
Manufacturer Model No
7731600169
Brand Name
Worcester Bosch

Reviews

NEW
£2626.80
each (Inc. VAT)
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ERP Rating
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ERP Efficiency
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Maximum Vertical Flue 100mm
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DHW Output Min and Max
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SEDBUK SAP 2009 Rating
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SEDBUK SAP 2005 Rating
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CH Condensing Max Output
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Heat Output
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Fuel Type
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Includes
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Noise Level
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Nox Class
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Solar Compatible
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Type
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Years Guaranteed
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Registered with the Energy Savings Trust
Y
Brand Name
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Made To Order
N
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Country Origin
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ERP Efficiency
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Maximum Horizontal Flue 100mm
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Maximum Horizontal Flue 125mm
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Maximum Vertical Flue 100mm
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Maximum Vertical Flue 125mm
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External or Internal
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DHW Flow Rate at 35 Degree Rise
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SEDBUK SAP 2009 Rating
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SEDBUK SAP 2005 Rating
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Fuel Type
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Noise Level
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Nox Class
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Years Guaranteed
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ERP Efficiency
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ERP Rating
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Boiler Type
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Height
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Width
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Maximum Horizontal Flue 100mm
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Maximum Horizontal Flue 125mm
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Maximum Vertical Flue 100mm
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Maximum Vertical Flue 125mm
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External or Internal
Internal
SEDBUK SAP 2009 Rating
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CH Condensing Max Output
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Heat Output
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Fuel Type
Natural Gas
Noise Level
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Type
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Years Guaranteed
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Brand Name
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Made To Order
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Range Description
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Country Origin
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Manufacturer Model No
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Boiler Type
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ERP Rating
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ERP Efficiency
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Depth
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Height
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Width
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Maximum Horizontal Flue 100mm
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Maximum Horizontal Flue 125mm
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Maximum Vertical Flue 100mm
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Maximum Vertical Flue 125mm
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SEDBUK SAP 2005 Rating
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Heat Output
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Fuel Type
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Noise Level
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Nox Class
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Type
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Years Guaranteed
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