On 18/11/2020 10:23, AJH wrote:
On 17/11/2020 23:33, John Rumm wrote:
that causes the emergency pressure reduction valve to dump some water
out of the blow off pipe outside

IME once one of these cracks open at over pressure they do not reseal
well and continually leak slightly thereafter.

Yup can happen - although probably more likely if it does it a few times
and can get a chance to scale up. (and if its happing often that also
suggests more top up water, less inhibitor and more scale in the first
place just to compound things).


--
Cheers,

John.

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