Re: Fasco Fan from Grainger - part #4MH09
i installed a dayton on my recent build. it's perfect for mounting in a 4" stud wall and works great. i got the smallest one, mounted it so the squirrel cage inlet is in the top and ducted it down to the bottom of the oven with a floor vent for an HVAC system. i used a floor vent to be able to choke the flow with the louver. i considered using a speed controller on the blower, but i thought that would be a bad idea since the motor relies on a heat slinger for cooling, and the heat slinger loses its effect at partial speed.
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Len
Figure Engineering, LLC
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