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Posted by orvie on January 09, 2007 at 17:38:29:
In Reply to: Re: Boiler filling up with water posted by Art Parent on November 14, 2006 at 15:41:10:
: : I am have trouble with a steam boiler filling up with water. It has been serviced by a professional. We have replaced steam traps but the problem still occurs. It is a low pressure Kewanee boiler,
: : 6 years old. What is my solution?
: A few possibilities. If this boiler shares a common header with other steam boilers condensation in the connecting piing will tend to flood the idle boiler(s).
: A defective automatic feeder could also result in flooding.
: If this boiler is equiped with an internal tankless or feeds a steam to water heat exchanger a leak in either will result in a flooded steam boiler.
Check out the non return on the boiler. Close the valve and then open it back up. Sometimes a crust or deposit may form on the valve seat, and by closing the valve the deposit is loosened up so the non return can then seat.