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Posted by Harold hydronicnetwork.net on January 14, 2004 at 09:00:07:
In Reply to: Re: Air Valve Sizing posted by Paul C. on January 14, 2004 at 06:26:13:
Yes, the condensate line should be on the lower end of the main toward the boiler. Be sure there is a good, operating main vent a foot or so from the end of the main on a riser about 8-inches high. Keep the pressure down below 2-1/2 psig, the lower the better.
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