Discuss New Vaillant 837 Test point screws showing leak on P1 Gas in the Plumbing Jobs | The Job-board area at PlumbersForums.net
Having spoken to collegues GSR, advised to call Valliant as boiler new under warranty
possibly faulty...
Reply to New Vaillant 837 Test point screws showing leak on P1 Gas in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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