Recent content by blozinge

Potterton profile 80e. 12 years old, noisy. Programmer is an acl 'lifestyle' Pump arrow is pointing in the same direction as the old one was

I fitted new isolator valves above and below the new pump and they are open. I wasn't aware that there was a problem with a backflow into the header tank before i changed the pump. I changed the pump because it wasn't making a terrible noise and on inspection was full of sludge...

I have just replaced my central heating pump. Unfortunately, although i'm sure i have the pump fitted in the right direction, i am getting a lot of hot water flowing into the header tank. I have got the pump on the lowest setting (1)and have attempted to balance the rads but to no avail. Any...