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- Sat Aug 12, 2023 11:25 am
- Forum: Help and Advice
- Topic: Manually opening MA-ND4 / MA-ND5 / MRK
- Replies: 1
- Views: 4885
Manually opening MA-ND4 / MA-ND5 / MRK
Hello, we are having a problem with air not getting into a zone in our home. I had a repairman come out and look at it and he said that one of these units wasn’t working correctly so he had to mechanically open it. It worked for a short time but then closed afterward. They assured me they are o ...