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Mend Ferroli 77FF Combi Boiler Overheating Pressure

water overheating?

i have a ferolli 77ff combi the tap and radiator water is overheating and the pressure rising on the gauge causing the blow off valve to operate and i have to top it back to 1bar. can it be the overheat cut off thermostat

bill
March 2011
FerroliFerroli 77FFHeating, Home Heating SystemsCombi Boiler Overheating Pressure

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