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Yes. The Greenstar 4000 is one of Worcester Bosch’s most popular combi boilers, offering excellent efficiency, quiet operation and reliable heating for family homes.

A typical installation includes removing the old boiler, fitting the new appliance, connecting gas, water and heating pipework, installing the flue, commissioning the system and registering the manufacturer’s warranty.

Cleaning the heating system removes sludge and debris that could damage a new boiler or reduce its efficiency.

A Calmag scale reducer helps reduce limescale build-up within the heating system, helping to protect the boiler in hard water areas.

This installation includes up to an 10-year manufacturer’s warranty, providing long-term reassurance and manufacturer-backed support.

Will inhibitor breakdown sludge?

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