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Mend Powermax 115 Home Heating Systems

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Mend Powermax 115 Boiler Heating Lockout

how to fix lock out on powermax 115?

lock out keeps displaying even after boiler has been reset, switched off at mains etc

sandy rawle
May 2009
PowermaxPowermax 115Heating, Home Heating SystemsBoiler Heating Lockout
there was no 115 only a 155 if this is the case then it shows a lack of gas / ignition check if the water pressure switch is working this is located under a cover at the rear of the boiler on top it has two wires bridge them out momentarily DO NOT BRIDGE PERMANENTLY ,check if there is water present and rectify

keith boilertolier
May 2009

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