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Mend Saunier Duval F35E Boiler Heating Light Pressure

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 DuvalSaunier Duval F35EHeating, Home Heating SystemsDuval Boiler Heating Light Pressure

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