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by Xero100
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 ...