Discuss Potterton promax SL making a humming sound. in the Plumbing Jobs | The Job-board area at PlumbersForums.net
TBH even though i fit baxi/potterton combis i wont touch the heat only solo/promax/gold etc fitted one never againCheers gasman, I do suspect the fan, the boiler is only 2year old and the quality of water is fine.
Reply to Potterton promax SL making a humming sound. in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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