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Mend Baxi 105e Heating Pcb Heat Exchanger

baxi 105e keeps on over heating?

hi my baxi 105e keeps on over heating within one min of turning heating on. just had new pcb fitted. and had a leak on oring on pipe leading to the heat exchanger.

dave
March 2010
check the isolation valves are open and that the filter in the return valve is clean. may be a slow running pump, but that would normally cause the flow switch not to operate so the boiler wouldn't fire up.

Ian
March 2010

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