Posted by jtown on January 17, 2000 at 18:17:54:
In Reply to: Re: Steam Vent Valves posted by J Dooley on January 16, 2000 at 12:14:50:
The main is there sometimes or almost at the far end of the horizontal mains. It looks like a large radiator vent with a little hole in the top. When pressure is building it should blow air out and when it gets hot, it should shut off tight.
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