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Mend Chaffoteaux et Maury HE 30 Boiler Heating Error

why is my boiler flashing 40 and 80?

hi i have a he 30 chaffoteaux and maury boiler that just keeps flashing 40 and 80 what does this mean

mechelle
August 2010
Chaffoteaux et MauryChaffoteaux et Maury HE 30Heating, Home Heating SystemsBoiler Heating Error
The water pressure is low in the Central Heating circuit.

Doug
August 2010

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