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- Wed Oct 22, 2014 8:19 am
- Forum: Help and Advice
- Topic: MA-ND3
- Replies: 3
- Views: 5580
Re: MA-ND3
hi i just tried to replace an old ewc zone damper with a honeywell zd 24 x 8 with 2 wires on the motor. the problem is that i have 3 wires to deal with, and the damper i have is spring open, power close. the control panel is pretty old, i'd say 15 to 20 yrs old? i think it could be st-2 model. can t...