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Mend Main Eco Elite Boiler Heating Fault

I have a main medway boiler?

when I turn on hot water tap the boiler makes a loud bang and the pilot light goes out.

alan mills
August 2009
MainMain Eco EliteHeating, Home Heating SystemsBoiler Heating Fault
You don't want to mess with this yourself as it sounds like a stuck gas valve, which means the gas is remaining on after the water differential valve shuts off. This will activate the overheat and shut down the pilot via the thermo-electric valve. My best advise would to turn it off, don't use it and contact a Gas Safe Registered engineer.

Sean
August 2009

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