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Mend 30 boiler fire flashing
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Mend Boiler Flashing Year

My boiler is coming up with d5 what does this mean?

My heating isn't working and the boiler is flashing up with d5 the boiler is only a year old

Maz
November 2015
Heating, Home Heating SystemsBoiler Flashing Year
Much will depend on the make and model of the boiler - you do not say.

Also - at only a year old there's a good chance the owner's manual is still in the property - I'm sure the fault guide will explain d5 for you.

Jolly Good Luck...
November 2015
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