Hi knowledgable people.
I have an open vented system and a baxi solo 3 pfl60 boiler. Central heating is working fine but the hot water is not. When I switch on the hot water the boiler does not fire and the pump does not come on. I do however hear movement from the hot water m/v but can't...
Thanks Guys....
I tweaked the bypass valve a little until the noise stopped. System still working fine so i guess its fixed. Why might it have started playing up in the first place?
oh... and stops making a noise if i turn it down to speed 1 during overun.... i once got rid of noise by momentarily turning it up to 3 and then back to 2. It came back though.
hi
I've got an odd problem in that my grundfos 15/50 central heating pump gets noisy but only when boiler switches off and its on overun. Is the pump on its way out or is there something else wrong?
Pete
sorry... s plan it is.... i have an update on the problem. I turned the pump up to speed 3 when it was on overrun and noise got worse initially then quietened down a great deal. I then turned it back down to 2 and the noise is almost completely gone... just a few clicks.... does this help with...
i have had various issues with my central heating of late and solved them all bar one.
My heating works fine and quietly until its time to turn off and then the pump starts to to make a bit of a a racket. why would the pump only make a noise on overrun?
I have tried to bleed the pump but it...