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Overview
- 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
Boiler Type
Combi
ERP Rating
A
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
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Worcester Greenstar 4000 25kW Combi 7733600371
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’ve raised the bar with the speed and ease of installation, commissioning and servicing, alongside improvements in efficiency and control.
£1,236.40 each (Inc. VAT)
Grant Vortex Pro 21kw Combi External Oil Boiler Includes Flue
The Grant Vortex Pro outdoor combination oil boiler features internal frost protection, a 24 litre expansion vessel, neon diagnostic indicators and a factory-fitted condensate trap, together with the conveniently factory-fitted, multi-directional flue - and all of this has been designed to make installation and servicing easier. With larger than normal heat exchangers, the hot water performance of this high-efficiency combi boiler is vastly increased. The two very accurate electronic temperature controls allow the boiler to operate in condensing mode on central heating and instant hot water production can be maintained.
£3,262.28 each (Inc. VAT)
Grant VTXWH16/21 Vortex Eco Internal 16-21kW Wall Hung Oil Boiler
The quiet Vortex Eco wall mountable oil boiler from Grant features the latest, highly efficient stainless steel Vortex heat exchanger and turbulator baffle system - providing some of the highest efficiencies on the market. Pre-plumbed, this boiler can be used with low level, high level and vertical flue systems - providing extremely flexible options for installation situations.
£2,105.44 each (Inc. VAT)
Worcester Greenstar 4000 12kW System Lpg 7733600378
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’ve raised the bar with the speed and ease of installation, commissioning and servicing, alongside improvements in efficiency and control.
£1,366.02 each (Inc. VAT)