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by CatherineGramze
Mon Nov 26, 2018 4:16 pm
Forum: Nordyne Service & Repair
Topic: Intertherm M3RL series 90+ Downflow
Replies: 1
Views: 4295

Intertherm M3RL series 90+ Downflow

Intertherm M3RL series 90+ Downflow Furnace. I want to add a whole house humidifier to this furnace. It looks to me as if a return air bypass version, such as the Aprilaire model 600A, is my only option, but frankly I know nothing about this. I need knowledgeable advice. My biggest concern is if it ...