Search results

I have a sealed system, boiler is a combi Trianco. I am only using the boiler for central heating not hot water (if anything goes wrong and it stops working I still want hot water at least). Situated under the boiler lid/top there is one flow pipe with the pump, pressure release valve and...

1. The distributor/plumbers merchant here advises 12mm plastic coated copper for the piping from tank to boiler (it is normal here) to help against frost/freezing (we occassionally get -30deg). Any advise - should I stick with 10mm? 2. Should i bury the pipe with a heating cable to protect...