Recent content by westiebj

Hi Tony Ok that explains it all very clearly. Thanks for your input ( ChrisR as well ) I have to replace a fair bit of the pipe as the gate valves either side of the pump are corroded, so will need to cut them out, hence my option to go 22mm pipe. Thanks again

Hi Agile I fully understand what you say regarding the 22mm/28mm sizes relating to the pipes size BUT my question remains the same. If the pumps INTERNAL bore size on the inlet/outlet is 22mm then how does fitting a 28mm isolator valve and pipe combination improve over a 22mm valve and...

Hi Yes ChrisR is correct. What I am questioning is what advantage does 28mm flanges offer over 22mm flanges when the internal bore of the pump flanges are 22mm ?

Hi I am about to replace the pump in my central heating and have the following question(s) The feed to the pump from the boiler is 28mm, and after the pump it is 28mm, and then 'T' s off to two 22mm pipes, one going upstairs, the other downstairs. When I ordered the replacement pump ( a...