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Mend Potterton Promax 15SL Home Heating Systems

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Mend Potterton Promax 15SL Boiler Heating Noise

Potterton Promax 15SL loud noise issue?

I have a 2 year Pottertom Promax 15SL boiler which normally runs fine but every 4-5 hours it emits a very loud low frequency noise which stops when I press the RESET button, anyone have an idea as to what it can be?

Richard Merrell
December 2013

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Mend Heating, Home Heating Systems
Mend repair fix Potterton Promax 15SL home heating systems