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Mend Saunier Duval Home Heating Systems

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Saunier Duval F35E will not fire up?

boiler has pressure, will not fire up for heating and hot water. the green light flashes and the pressure/temp gauge also flashes. on the odd occasion it burst into life and runs fine.

Maurice
January 2017
Saunier DuvalHeating, Home Heating SystemsPressure Hot Water Green

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