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| The Scuppers This is a new forum for the not necessarily fishing related topics... |
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01-25-2016, 05:43 PM
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#1
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Chris Blouin
Join Date: Mar 2009
Location: Warren, RI
Posts: 3,330
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Water hammer/oil heat/forced hot water
Anyone have any experience with "water hammer"?
We have an oil heat forced hot water heating system. And once it kicks in the pipes bang.
Sometimes it's a lot and last a few minutes, other times it's just once or twice.
Super annoying and will wake us up out of a deep sleep at night, plus I don't want to cause any damage, been reading a lot about it.
Thanks.
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STORMR Pro Staff Member
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01-25-2016, 06:14 PM
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#2
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time to go
Join Date: Oct 2007
Posts: 2,318
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01-25-2016, 06:41 PM
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#3
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Eels
Join Date: Jul 2004
Location: Mansfield,MA.
Posts: 3,322
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Your forced hot water loop is basically a close system you will have an auto feed that's located on the cold water feed at the boiler.this will keep the pressure range from 12-15 psi.
The noise you are hearing is the expansion of the pipes when they are heating up and rubbing on the wood or the hangers.
Water hammer is usually on the cold water line public water pressure will normally range from 55-90 psi anything higher you'll need a pressure reducing valve that would get installed just after the water meter.
Posted from my iPhone/Mobile device
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01-25-2016, 06:43 PM
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#4
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BuzzLuck
Join Date: Feb 2009
Location: Brockton
Posts: 6,414
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Air in the lines, needs bleeding
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 Given the diversity of the human species, there is no “normal” human genome sequence. We are all mutants.
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01-25-2016, 08:02 PM
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#5
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Seldom Seen
Join Date: May 2001
Posts: 10,394
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“Americans have the right and advantage of being armed, unlike the people of other countries, whose leaders are afraid to trust them with arms.” – James Madison.
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01-25-2016, 08:52 PM
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#6
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User
Join Date: Jun 2012
Location: Cape Cod
Posts: 5,378
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A really loud bang? I say it's this
Quote:
Originally Posted by PRBuzz
Air in the lines, needs bleeding
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01-25-2016, 08:52 PM
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#7
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Chris Blouin
Join Date: Mar 2009
Location: Warren, RI
Posts: 3,330
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Ross, we have both, most rooms have radiators but a couple have baseboard
Posted from my iPhone/Mobile device
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01-25-2016, 09:02 PM
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#8
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Seldom Seen
Join Date: May 2001
Posts: 10,394
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Three videos there covering what to look for in different systems. Eliminate the expansion/rubbing possibilities and move on from there. I think one of the videos covers one way system steam, but not bleeding
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“Americans have the right and advantage of being armed, unlike the people of other countries, whose leaders are afraid to trust them with arms.” – James Madison.
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01-25-2016, 09:12 PM
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#9
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time to go
Join Date: Oct 2007
Posts: 2,318
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I was thinking expansion tank and or air vent, air purger...hmm
http://www.stevejenkins.com/blog/201...xpansion-tank/Posted from my iPhone/Mobile device
Last edited by ecduzitgood; 01-25-2016 at 10:35 PM..
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