8x16 ND dampers rattle

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skull791
Posts: 1
Joined: Sat Dec 08, 2018 9:40 am

8x16 ND dampers rattle

Post by skull791 »

First time post, I replaced my own old dampers with new ND dampers on my zoning system. 5 6" ND dampers and 1 8x14 and 2 8x16.

Both 8x16 when air is going through and they are in open position rattle badly enough that you can hear at night. any suggestions. my old IO dampers were quite only reason I change them because I switch all to EWC brand.
Paul Z.
Posts: 216
Joined: Thu Dec 08, 2011 3:05 pm

Re: 8x16 ND dampers rattle

Post by Paul Z. »

give a call 18004463110X490 a few questions.
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