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Mend Potterton Home Heating Systems

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Heating will only come on when Water is on to??

I have a Potterton Primaf. In the last few days the heating has failed, but if I set the Honeywell timer for both Heating and Water on constant the boiler sparks up and away we go. But only for a few minutes then it cuts out again

Mark
May 2007
Hi, the room thermostat has failed and needs renewal, or the pump is not circulating the water so the boiler gets really hot because no cool water is coming in and the boiler thermostat automatically cuts the gas off.

Frank S
May 2007
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Find out how to mend Potterton home heating systems