red light keeps coming on on the boiler, can reset it but comes back on ?
Had it serviced and no fault was found, had a thermostat changed and it still comes on. No hot water and no central heatng. Gas pressure checked and all ok so what else can it be?
You dont say what boiler, if it is a low water content boiler they require a minimum amount of water through them . If this is the case it is possible you need a new pump.
RJ
September 2010
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