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Mend Potterton Envoy 40 Boiler Fault Code PCB

potterton envoy 40 fault code P is it a PCB fault?

had a new gas valve fitted to a potterton envoy 40 boiler it ran for a few days but now has a fault code P and will not reset

terry thompson
January 2009

Potterton Potterton Envoy 40 Heating, Home Heating Systems Boiler Fault Code PCB

installation manual says wiring fault, live on neutral connection.

andy bishop owner of manual
April 2009

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Potterton Envoy 40 Fault Code P - PCB Issue?