Recent content by Timd01

I agree. :shock:

The expansion vessel will not though, add an external one.

Do not connect this lead anywhere it is a diagnostic lead only!!!!

No 2 is a CORGI's job!

It's the non return valve in the hot supply to the shower,just cut another in line if acessible.

If the o/run stat is shorted on N/O and the gravity/pumped switch is on gravity this will give a P/L to the S/L on the board. That is why I would be checking both. :wink:

I think either the pump o/run stat is U/S or if its since the fans been replaced, it is the fully pumped/gravity switch in the wrong position! READ the M.I. and make sure this switch is in the correct position for your system.