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Posted by HeatPro on January 30, 2011 at 10:50:55:
In Reply to: Re: Make up water pressure - steam system posted by Mark on January 29, 2011 at 20:19:21:
: This system is not entirely closed. There is a slight steam leak in a T coupling that isn't worth fixing.
The question is how much oxygenated water will be drawn in to make up for the loss, and how much rusting away inside the boiler will occur.
"Leaving the pressure reducing valve at the factory setting somewhere around 15 psig is usual as a one-pipe steam system runs around 1 psig. "