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Posted by tk03 on November 24, 2009 at 17:18:10:
In Reply to: Cold Return posted by Joe T on November 24, 2009 at 12:48:12:
I am not sure what you are referring to but the water needs to get back to the boiler or it will flood the main. Are you referring to the exhaust vent as the vent pipe to the chimney? The cold spot will have nothing to do with pressure. How are you feeding water into the boiler? I am assuming you have two returns, are they wet or dry?
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