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Mend Main combi 30 mffi Home Heating Systems

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Mend repair fix Main combi 30 mffi home heating systems

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Mend Main combi 30 mffi Heating Control Boiler Set

combi a 30 mffi?

the heating control on the front of the boiler is working in reverse, e.g set the control on 85 degrees & the boiler is off, turn it to off & the boiler comes on.

matt
August 2009
MainMain combi 30 mffiHeating, Home Heating SystemsHeating Control Boiler Set

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Mend repair fix Main combi 30 mffi home heating systems