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Posted by HeatPro on November 22, 2005 at 09:03:35:
In Reply to: Setting pressure in single-pipe steam radiator system posted by Bob M. on November 22, 2005 at 05:16:32:
Most residential pressure controls can be set to 2 psig with a 1 psig differential with just a screwdriver.
http://64.226.150.132/hydronic/steam/steam1.htm