Not sure how long this has been going on, because I only noticed when the pump got a bit noisy, but pump is on day and night, including when boiler is not on. I can't switch it off at the plug when I go to bed, because heating/water comes on before I get up.
I assume pump should be switched on and off by the boiler coming on and going off, so assume it could be a pcb problem.
Could a temp solution be to plug into timer so pumb comes on and goes off with water/heating, or could this cause probs. I know I could have one for example if I got a temp power cut. What could happen for eg if boiler came on and pump was off.
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