8531 Furnace Duct Adapter Install Questions
https://www.amazon.com/Hydro-Flame-Corp-31474-Adapter/dp/B00CLSWS6I I have an 8531 furnace with 4" knockouts for the ducts. The duct adapter is listed as 1474 in the manual, but get this on Amazon...
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I have added lots of these to my home HVAC system.
You can buy them at Home Depot, Lowes, etc. Just find one that fits the hole/duct size.
Usually they have a bunch of fingers that you reach through the hole and bend over against the inside of the plenum to hold it in place.
Steve
You can buy them at Home Depot, Lowes, etc. Just find one that fits the hole/duct size.
Usually they have a bunch of fingers that you reach through the hole and bend over against the inside of the plenum to hold it in place.
Steve
