Custom exhaust fan -
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Unread 05-13-2013, 03:16 PM   #1
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zander21510's Avatar
1995 ZJ 
Join Date: Jun 2011
Location: Dallas, TX
Posts: 2,125
Custom exhaust fan

So I bought my parents a new microwave (old one was 23 years old, no turntable, burned half of everything with other half frozen), that I had to fit in the old trim kit. It's a close fit, but there's about a 2 inch gap + about 2 or 3 inches of trim kit.

I tested the microwave for ventilation by running it for 10 minutes to cook my lunch. Steam was coming out the cracks on the bottom and I could feel the high heat sticking my hand into the gap on top, so I figured the best solution would be to build a custom grille with some 60mm fans to help pull the hot air out. I need it to do this:

-Fans turn on only after a certain temperature is reached at the microwave exhaust.
-Microwave remains plugged in 24/7.

My thoughts on equipment:

-Temperature sensor switch that provides power to fans after a set temperature is reached
-System uses standard electrical outlet

What kind of equipment would I need to achieve this?

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Unread 05-13-2013, 04:59 PM   #2
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2003 TJ Wrangler 
Join Date: May 2004
Location: Erie, PA
Posts: 1,469
Instead of temp sensor how about a smart power strip that would just turn the fans on when the microwave is running?

Something like this
Hers - 2005 Jeep Grand Cherokee Laredo 3.7 4x4
Mine - 2003 Jeep Wrangler X
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Unread 05-13-2013, 06:56 PM   #3
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2007 WK 
Join Date: Oct 2007
Location: West Virginia
Posts: 2,412
You need this. Wire it up into a plug in and when it hits a certain temperature it will kick on a circuit.

Watch video
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