Looks like there are two main types of round Dampers:
URD - powered both ways with open/close LED
RSD - powered one way, spring back
What determines which one to use?
If I use the NCM300 control panel, is one perferred over the other?
Thanks,
-Jim-
Search found 1 match
- Thu Jul 02, 2009 10:23 pm
- Forum: Help and Advice
- Topic: Which Motorized Damper to use?
- Replies: 1
- Views: 7301