E
EBrant
Hello
when using a serial rather than a parallel piping system you need to fit a pressure relieve value between the feed and return on the boiler
it seems the serial (second option) is more efficient and there my save gas (and thereby money)
Any suggestions/advise ?
thanks
EBrant
when using a serial rather than a parallel piping system you need to fit a pressure relieve value between the feed and return on the boiler
it seems the serial (second option) is more efficient and there my save gas (and thereby money)
Any suggestions/advise ?
thanks
EBrant