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how to eliminate water hammer

Started by stratford 50, February 10, 2010, 06:56:42 AM

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stratford 50

February 10, 2010, 06:56:42 AM
Installed e- classic fall of 2008 tied into system 2000 oil furnace, seem to have lots of water hammer on all 5 zones, changed  1 zone valve and installed a variable speed circulator but still hammering.  Any suggestions would be helpful.

Thanks,
Stratford 50


beenthere

#1
February 10, 2010, 10:47:21 AM
Have to get the air out.
south central Wisconsin
It may be that my sole purpose in life is simply to serve as a warning to others

zopi

#2
February 10, 2010, 11:38:17 AM
get the air out and maybe add an expansion/surge tank...
Got Wood?
LT-15G GO chassis added.
WM sharpener and setter
And lots of junk.

Jasperfield

#3
February 10, 2010, 09:35:41 PM
I'd add an expansion tank. You'll need it time & time again.

coyotebait

#4
February 13, 2010, 04:51:44 PM
elbows with bleaders at highest area of each zone . Or at each register. When they start hammering crack them a little till water comes out then close ,when done add water to the system to make up room for the lost air.

slowzuki

#5
August 16, 2010, 09:42:04 AM
If the zone valves open or close too fast with a high flow pump you will get hammer too.
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