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Posted by Harold hydronicnetwork.net on February 16, 2004 at 06:52:03:
In Reply to: Pressure Regulator Valve on Automatic Fill posted by Sue L on February 16, 2004 at 05:14:46:
Read what a manufacturer of pressure reducing valves says:
http://64.226.150.132/hydronic/service/purgeair.htm
You are now correct.