Hello can anyone tell me the pipe size for the cold water feed from the f and e tank to the gravity fed central heating system..IE MAINS INTO THE TANK 15MM. VENT PIPE 22MM TO 28MM. COLD FEED...........????
Thanks David.
by kezdave » Fri Oct 03, 2008 1:41 pm
by Steve the gas » Sat Oct 04, 2008 5:31 am