Recent content by dc_oldridge

I have fitted some isolation valves on the 22mm flow and return for downstairs so i can prove if up or downstairs, but haven’t tested yet

Boiler pressure dropping to zero every few hours, faster after heating switched off, topped system up to 1.8 bar isolated return and flow left over night no drop. Open return and flow pressure dropped to zero. Checked all radiator valves etc and visible pipework no leaks. No signs of leak from...

Hi, i currently have a combi boiler Worcester Bosch Greenstar 4000 in my downstairs utility room. Flow and return pipes leave boiler then tee off with 22mm flow and return going under ground in concrete supplying downstairs radiators and 22mm going upstairs to under bathroom floor and running...