Why is Potterton Suprima boiler loosing water pressure?
Water pressure gauge not holding at 1 bar, constantly having to top-up water pressure. There are no water leaks externally, checked rad piping and boiler casing, changed pressure relief valve, this was and is still leaking as if there is a pressure build up. what may be going wrong?
Thanks John,
I thought about that, then discounted the fact that a new part can go so wrong...Nothing worse than overlooking the obvious! I shall be back to let you know either way!!
Stephen
October 2009
The PRV is set to let go at 3 bar - if its releasing before this then its still faulty!
John
October 2009
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