I Hear The Water Running In My Heating Pipes - HVAC - DIY Chatroom Home Improvement Forum

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Old 12-08-2008, 03:14 PM   #1
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I hear the water running in my heating pipes

I'm not sure why. We have forced hot water heating, and when the heat turns on, i can hear the water in the pipes all over the house. Is this normal? Shouldn't the air vent on the furnace be letting the air out so it doesn't run through the pipes?


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Old 12-08-2008, 04:20 PM   #2
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The air vent on the boiler, leaces very little air out.

If you have a steel expansion tank, good chance it is coming close to being water logged, and needs drained.
Then your baseboard should be purged, and your water pressure brought back up to 12 to 15PSIG.


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Old 12-08-2008, 05:02 PM   #3
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Probably needs to have the lines bled of air. Air scoops work but they only do a small amount. Then the air needs to be replaced with more water if it is a lot that is bled out.
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Old 12-08-2008, 06:46 PM   #4
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i had some running water once, I had to let it go because it was moving faster then I can run
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