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Mend Ferroli Optimax 901 Boiler Heating Sensors

intermittent hot water?

i have a ferroli optimax 901 boiler.c/h is fine but hot water usually not working-occasionally does.replaced both sensors on hot /cold but to no avail

steve
March 2010

Ferroli Ferroli Optimax 901 Heating, Home Heating Systems Boiler Heating Sensors

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Ferroli Optimax 901: Hot Water Issues