My boiler is heating the hot water but not the radiators?
I have a Glow-worm conventional boiler but at the moment the boiler is heating the hot water but not the central heating. After turning up the room thermostat to full and turning up the temperature control on the boiler I have now got it running. Any ideas what the problem is? The pump seems to be working ok.
There is a 2/3 port control valve with a solenoid that will have failed. Finding it may not be so easy. It is controlled by a couple of wires from the timer/controller.
Mike
March 2007
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