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Worcester Greenstar 25Si Combi Gas Boiler ERP 7733600050

774429

Overview

The all new Worcester Greenstar gas-fired Si Compact is the successor to the Greenstar Si combi boiler. Ideal for apartments and small to medium sized properties with one bathroom, it has a host of performance-enhancing features, including the revolutionary WB7 heat exchanger which enables the appliances to deliver DHW flow rates of 10.2 and 12.3 l/min despite their compact size. The new Greenstar Si Compact has been designed to make installation and commissioning easier and quicker, and comes supplied with a unique wall-mounting jig which enables the installer to quickly pre-plumb all seven pipe connections without the boiler being on the wall. A built in LCD display provides quick and easy operation status and fault diagnosis, providing greater clarity during maintenance and operation.
  • Compact and lightweight
  • Fits in a standard kitchen cupboard
  • User-friendly displays for ease of use
  • Hot water can be adjusted to fine tune comfort
  • Wide choice of controls enables greater comfort and economy
  • Frost protection is included, reducing frost risk if installed in a garage or a loft
  • Simple boiler control knobs with clear temperature display
  • Low energy pump reduces electrical usage
  • Instantaneous hot water, always available
  • Achieves an A+ ErP package efficiency rating for heating when installed with a Wave smart internet connected control

Technical specification

ERP Efficiency
0.93
ERP Rating
A
Boiler Type
Combi
Depth
280 mm
Height
978 mm
Width
395 mm
Maximum Horizontal Flue 100mm
6 m
Maximum Horizontal Flue 125mm
15 m
Maximum Vertical Flue 100mm
6 m
Maximum Vertical Flue 125mm
15 m
External or Internal
Internal
DHW Output
25 kW
DHW Flow Rate at 35 Degree Rise
10.2 ltrs / min
DHW Output Min and Max
< 12
SEDBUK SAP 2009 Rating
0.898
SEDBUK SAP 2005 Rating
A
CH Condensing Max Output
24 kW
Heat Output
24 kW
Fuel Type
Natural Gas
Includes
Boiler Only
Noise Level
52 dB
Nox Class
5
Solar Compatible
No
Type
Boiler
Years Guaranteed
5
Registered with the Energy Savings Trust
Yes
Dimension 1
280
Dimension 2
390
Dimension 3
680
Manufacturer Model No
7733600050
Brand Name
Worcester Bosch

Reviews

£908.00 (Ex. VAT)
£1089.60
each (Inc. VAT)
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5 (1 review)
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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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DHW Output
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DHW Flow Rate at 35 Degree Rise
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DHW Output Min and Max
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SEDBUK SAP 2009 Rating
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CH Condensing Max Output
21.6
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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Years Guaranteed
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Registered with the Energy Savings Trust
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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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External or Internal
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DHW Response 1m from Tap
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30.9 kW
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Nox Class
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Solar Compatible
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Brand Name
Vaillant
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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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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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