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Posted by Harold hydronicnetwork.net on January 31, 2004 at 09:31:57:
In Reply to: boiler is banging posted by John Fox on January 31, 2004 at 09:14:03:
Steam boilers aren't supposed to be completely full, they are filled to a little over halfway in the site glass. While the burner is not running, if there is too much water, drop it down so the water line is into sight on the gauge glass.
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