Re:Any resident plumbers out there?
2012/12/01 16:05:42
(permalink)
Gerry, been plumbing and heating since i was a boy :)
Where are the air vents youre referring to? On radiators, baseboard, or off the top pf your boiler? Give me some more info and i can probably help... also, does each one of your zones have a purge valve with an isolation valve underneath?