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by dboss
Sun Mar 10, 2019 3:56 pm
Forum: Help and Advice
Topic: Damper noise when opening and closing
Replies: 1
Views: 5913

Damper noise when opening and closing

I have a two stage natural gas forced air furnace with a 2-zone system controlled by a EWC BMPplus Rev B controller. When the system was first installed I had a lot of noise in the ducts during activation and running of the zones, mostly with zone 2 (basement). The contractor installed a bypass damp...