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Posted by HeatPro on January 11, 2007 at 10:02:47:
In Reply to: air in boiler posted by joe on January 11, 2007 at 06:15:39:
It is normal - especially if you have the hand valve to the pressure reducing valve line that feeds and fills the hot water heating system and there is a slight drip so fresh water with its air and oxygen gets into the supposedly sealed system. Fix all leaks and eventually a sealed system gets rid of all its air.
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