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Worcester Bosch Greenstar 4000 21kW LPG System Boiler 7733600384
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Overview
- Ease of installation SimpleSwitch to previous Worcester i System models with pre-piping jig offering rear piping as standard
- Flexibility of siting provided by long flue lengths (up to 12m with 60/100mm flues) and a 500ml integrated condensate siphon to reduce the risk of freezing
- Complete peace of mind for the end user with a 10-year heat exchanger and a 7-year product guarantee available as standard. Wide modulation range designed to optimise efficiency when heating demand is low.
- High-end design, quiet operation (up to 42dB(A)) with an intuitive, long text, colour boiler display for ease of use
Technical specification
BTU/h
71650
ERP Efficiency
94%
ERP Rating
A
Water Heat Output
21 kW
Boiler Type
System
Depth
310 mm
Height
724 mm
Width
400 mm
Maximum Horizontal Flue 100mm
12 m
Maximum Horizontal Flue 125mm
21 m
Maximum Vertical Flue 100mm
12 m
Maximum Vertical Flue 125mm
21 m
External or Internal
Internal
SEDBUK SAP 2009 Rating
89.80%
SEDBUK SAP 2005 Rating
91.20%
CH Condensing Max Output
21 kW
Heat Output
21 kW
Fuel Type
LPG
Includes
Boiler Only
Noise Level
42 dB
Nox Class
Class 6
Solar Compatible
No
Type
LPG System Boiler
Years Guaranteed
10
Registered with the Energy Savings Trust
Yes
Made To Order
N
Manufacturer Model No
7733600384
Country Origin
UK
Brand Name
Worcester Bosch
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