Originally Posted by
rapidcossie
After quickly reading your first post it sounds like the central heat zone valve that fucked.
Going to see if a mate can pop round as this seems to be getting more and more in depth (out of my league!).
Pump deffo working, I can feel it pulsing! And theres plenty of hot water in the pipes coming out of it!
Its getting stuck somewhere and no doubt causing the god awful banging!
Already know the water colour is a orange rusty colour Dojj