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Mend Potterton Boiler Central Heating Faulty

Central heatin only works with hot water on?

I have a potterton boiler that only fires up when hot water is switchted on.Once water gets to required temperature obviously the boiler is shut down.However the central heating runs cold as well. Boiler only re-ignited if i increase hot water tank thermostat.Central heating wont run at all without how water switched on. Is this something to do with the motorised valve.Help!

James
October 2007

Potterton Heating, Home Heating Systems Boiler Central Heating Faulty

No the tank thermostat is set to 60 degrees and when the hot water tank reaches this it switches the boiler off.
But when this happens my radiators cool down all though the room thermostat temp has not been reached.

James
October 2007

you have a faulty tank thermostat boy! change and it will behave properly!

domestic engineer

anjum zaman
October 2007

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Potterton Boiler: Heating Only Works with Hot Water