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Old 09-05-2020, 01:21 PM   #1
Junior Member
Join Date: Sep 2019
Posts: 23
Convert Micro exhaust vent to outside

We have the over the range microwave with hood vent that exhaust to inside our fifth wheel. We want to vent it to the outside.The unit is in the slide out next to the refrigerator. We do not have the installation manual or template. The manual is not available to order or down load online for this specific Magic Chef model. I down loaded the manual for a generic MC model. We have removed the microwave and determined that the wall mounting plate has a pre-cut out area for wall exhaust duct and the fan can be moved for the exhaust out the back instead of the top. The issue we have is the only exhaust ducts we have been able to find is designed for 3.25" x 10" rectangular duct or round duct. We do not have room for round duct adapter, and the pre-cut wall mount opening and the duct opening on the microwave is 2.25" x 8". Anyone know solution to this issue?
Red Roadrunner is offline   Reply With Quote
Old 09-18-2020, 05:01 PM   #2
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Join Date: Mar 2020
Posts: 26
I would just use the larger vent and make my own transition out of some flashing.
Falconman is offline   Reply With Quote
Old 09-18-2020, 05:25 PM   #3
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Join Date: Mar 2008
Location: Southwest Alabama
Posts: 8,367
I agree, just cut the opening to accommodate the duct and then use high temp flue tape to seal it off to the hood.
Salem 29RKSS Pushing a GMC Sierra 2500HD!
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