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by mmihir82
Tue Jan 11, 2022 12:28 pm
Forum: Help and Advice
Topic: NCM-300 - airflow issue
Replies: 1
Views: 2207

NCM-300 - airflow issue

Hello All, Thanks for viewing my request. We have NCM-300 model installed at our house. We have upstairs and downstairs w/ two nest control thermostats. Have turning on the downstairs thermostats for the heat, only air coming out from the upstairs vent, but nothing downstairs vent. This all happened...