Question about Heating & Cooling
You don't say what kind of boiler this is but I'm going to guess that it is a hot water boiler. If so, you have a combination valve which adjusts the water by pressure and bleeds off excess. These valves do get corroded and dirty. Shut down the boiler, shut off the feed water valve. Replace the valve assembly. Do not try to adjust these things. Your new valve should maintain about 15 psi.
Posted on Dec 19, 2008
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Posted on Jan 02, 2017
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