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by hobscheidt@yahoo.com
Sat Feb 03, 2018 10:28 am
Forum: Help and Advice
Topic: Rattle in MA-ND4 Acuator Damper
Replies: 7
Views: 11526

Re: Rattle in MA-ND4 Acuator Damper

I also have rattling with my MA-ND5, loudest when all other zones are satisfied and the heat pump is on a lower fan speed. The noise is coming from the rivets in the damper. Any suggestions?