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Posted by HeatPro on September 18, 2004 at 20:53:29:
In Reply to: Re: Steam Radiators posted by HeatPro on September 18, 2004 at 19:58:23:
Air vents should be just that; if they leak steam, they have failed and should be replaced. They should shut off and not let steam leave. They fail sooner if the pressure goes over 3 psig.