Discuss Vaillant 837 letting by at internal filling loop in the Plumbing Jobs | The Job-board area at PlumbersForums.net
Just replace the valves and do the job properly the first time the customer has too pay so do it right.
Asking for trouble capping off something that's letting by it's a temporary fix.
Reply to Vaillant 837 letting by at internal filling loop in the Plumbing Jobs | The Job-board area at PlumbersForums.net
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