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Posted by Mark on January 29, 2011 at 20:19:21:
In Reply to: Re: Make up water pressure - steam system posted by HeatPro on January 29, 2011 at 18:19:12:
This system is not entirely closed. There is a slight steam leak in a T coupling that isn't worth fixing.
It appears by your answer I wasn't entirely clear in my question. Assuming the system regularly has to pull in make up water, the MM 67 float calls for water, it actuates the 101 solenoid and opens the 101 valve, the pressure reducing acme valve is between the cold water supply (*100psi) and the 101. What is an acceptable pressure to feed a steam boiler?