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- Sat Dec 08, 2018 9:54 am
- Forum: Help and Advice
- Topic: 8x16 ND dampers rattle
- Replies: 1
- Views: 6051
8x16 ND dampers rattle
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 rea...