[an error occurred while processing this directive]
Posted by rbeck on February 02, 2009 at 09:32:45:
In Reply to: Re: Supply and return oil lines posted by HeatPro on February 01, 2009 at 17:08:05:
I agree unless you are having air problems. Trying to get the air out of a one pipe ceiling mounted lines can be a problem. I would first be concerned with the vacuum and take it from there.
See link.
http://www.comfort-calc.net/Fuel_pump_vacuum.html