Low system pressure - heating will not shut off therefore pressure buildds up and water is vented from system.
So far thermistors, PCB's, Pump been replaced - still no fix. Engineer reckons the internal pipework is clogged up by sludge/limescale causing the thermister not to function. Says we need new boiler.
I think he has run out of ideas - please any words of wisdom before we go below freezing!
cheers
rob
So far thermistors, PCB's, Pump been replaced - still no fix. Engineer reckons the internal pipework is clogged up by sludge/limescale causing the thermister not to function. Says we need new boiler.
I think he has run out of ideas - please any words of wisdom before we go below freezing!
cheers
rob
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