worcester 24i not the greenstar the old one

royplumber · 14 Dec 2007

This is a very strange fault
Central heating system works fine gets upto temprature but fan & pump constantly keeps on running even when not calling.

the pump & fan should go to standby untill calling for heat
P c b thermister ch mancanical slot in timer changed

still will not shut of many thanks inadvance

royplumber · 16 Dec 2007

anyone for anyone one

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worcester 24i not the greenstar the old one

royplumber

royplumber

DIYnot Local

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