The Worcester Bosch Greenstar 4000 21kW System Gas Boiler is a modern, efficient heating solution designed to provide reliable central heating for residential properties. With a 21kW heat output, ErP A rating and natural gas operation, it is an excellent choice for homeowners looking to replace or upgrade an existing system boiler.
As a system boiler, the Greenstar 4000 is designed to work with a separate hot water storage cylinder, making it suitable for heating systems that require stored hot water. Its wall-mounted design and compact dimensions of 400mm wide, 724mm high and 310mm deep make it practical for installations where space is an important consideration.
The boiler features a clean white finish and combines modern design with the established performance of the Worcester Bosch Greenstar range. Its A-rated efficiency helps support economical heating operation, while the 21kW output provides dependable central heating performance for suitable homes.
Key Features:
Worcester Bosch Greenstar 4000 system gas boiler
21kW heat output
Natural gas operation
ErP A-rated efficiency
System boiler designed for use with a separate hot water cylinder
Wall-mounted installation
Compact 400mm-wide design
White finish
Weight: 30.6kg
EAN: 4057749856722
MPN: 7733600383
Product code: PN183939
Dimensions:
Width: 400mm
Height: 724mm
Depth: 310mm