piped

This is the first time I've fitted a secondary return to a system. I'm sure I've piped it all up correctly but am not getting the circulation of hot returning to the cylinder. Have I missed something obvious!? 1. Bronze pump operation/flow direction checked & OK 2. Non return valve fitted -...

Hi, Please can someone try to help me with an ongoing problem that I have with my heating system. I’ll try to explain as clearly as possible - I live in a new build detached house (built 2.5 years ago), which is a 2 story brick building. The ground floor has 2 stables, a barn, tack room (with...

hi ↲Hope someone can give some advice. I've been asked to look at a badly leaking rad valve on am old steel rad piped up in steel. Landlord says he has a replacement valve. My questions are. . . Because its a big pub and a big heating system what is the best way to isolate the water? Should i...

never seen this before or heard of it . I dont think this can be right . what say you ! cheers