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annab6_gw

Which external blowers require no more than an 8 inch duct?

annab6
15 years ago

I thought we solved our problem when our contractor was able to replace the old 5" duct with an 8" oval. We have narrow space between the floors so this is as much as he could fit. But now I am finding it hard to find an external blower that would be compatible.

Appliance people recommended Zephyr and Best thinking they need 8". But it is a good thing I checked the specs because even though the inserts do say 8", the blowers say 10" duct is required. Spoke to a Zephyr customer service rep who strongly suggested I look for something else.

The only one I found so far is Fantech but it looks like 300 CFM is the only option (and their customer service doesn't pick up).

I am really hoping to find something more powerful, around 600 CFM. Does anyone know of a product I should check?

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