Correct Piping and Filling Loop on a new Combi Boiler
Posted: Wed Jan 27, 2016 12:18 pm
Hi,
when piping in a combi boiler does it make any difference piping the cold fill loop to either the heating flow or return pipe?
Cheers.
when piping in a combi boiler does it make any difference piping the cold fill loop to either the heating flow or return pipe?
Cheers.