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Old 02-07-2014, 07:07 PM   #1
nomad guy OP
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110V Thermo-switch. Need advice

Hi All,

Part of a remodel project at a customer's house is an audio room.
Basically a large closet size room where all the electronics are going to reside on a designated rack.
A temp of no more then 75F needs to be maintained in the room.
We installed a Panasonic 50cfm Whisper Ceiling exhaust fan.
I need a a thermo-switch to control the fan.
It needs to fit either in a single/double gang box or inside the fan housing.
Any ideas of a model and where to source would be welcomed.
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Old 02-07-2014, 07:21 PM   #2
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http://www.grainger.com/product/Thermal-Switch-44F234
about $16 surface mount in several temps

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Old 02-07-2014, 08:05 PM   #3
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There are also line voltage thermostat available.
Couple of quick grabs off a Google search
http://www.grainger.com/category/lin...ecatalog/N-ju9
http://www.johnstonesupply.com/store...027857-p1.html
Lots more. Finding the right search words is often the hardest thing.
https://www.google.com/#q=line+voltage+thermostat
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Old 02-07-2014, 08:24 PM   #4
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Thanks, guys. Very helpful.
I guess a trip to Grainger is in my near future.
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Old 02-07-2014, 08:39 PM   #5
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Talking

Try Amazon. Grainger is a rip off. Close on rise (75 or less) switch.

Are you sure a ceiling fan will supply enough cooling?
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Old 02-07-2014, 09:20 PM   #6
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Be sure to specify a cooling thermostat, perhaps this would fit the bill.

http://www.grainger.com/product/DAYT...Code=P2IDP2PCP


The specs say it will fit in a handy box but I would use a 4s deep with a single gang mud ring.
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Old 02-08-2014, 05:46 AM   #7
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Originally Posted by D.T. View Post

Are you sure a ceiling fan will supply enough cooling?
It should as long as the house does not get above 75.
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Old 02-08-2014, 06:42 AM   #8
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Depends on how much heat the audio equipment emits, the size of the room, insulation and ventilation in the room etc...

http://www.energystar.gov/?c=roomac.pr_properly_sized

Ceiling EXHAUST to atmosphere fan not a regular ceiling fan. My bad.

http://www.amazon.com/Thermostat-Swi...thermal+switch

Cheapest one I could find.

http://www.amazon.com/White-Rodgers-...age+thermostat

Watch out for cool breezes behind walls that will mess up the thermostat control.
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D.T. screwed with this post 02-08-2014 at 06:56 AM
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Old 02-09-2014, 05:43 PM   #9
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Originally Posted by _cy_ View Post
http://www.grainger.com/product/Thermal-Switch-44F234
about $16 surface mount in several temps

Grainger is the way to go .There is a store about 3 miles from the crib.They have a lot of items and will test stuff out for you. I had an air compressor that had a bad capacitor they tested it and I got it running with a new one.
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Old 02-09-2014, 05:48 PM   #10
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Air moving in a closed space will actually raise the temperature. Especially with the electronics the air needs to be changed or air conditioned.
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Old 02-09-2014, 07:01 PM   #11
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Originally Posted by Midnightventure View Post
Air moving in a closed space will actually raise the temperature. Especially with the electronics the air needs to be changed or air conditioned.
Retread the first post, he is using an exhaust fan.
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Old 02-15-2014, 10:15 AM   #12
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how about a regular thermostat and a relay?
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Old 02-15-2014, 01:46 PM   #13
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Originally Posted by Spam16v View Post
how about a regular thermostat and a relay?
Don't forget a power supply to run the thermostat as well. Getting complicated for something that there are off the shelf parts to make work just fine.
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Old 02-15-2014, 03:17 PM   #14
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Originally Posted by broncobowsher View Post
Don't forget a power supply to run the thermostat as well. Getting complicated for something that there are off the shelf parts to make work just fine.
You don't need all of that, they make 110v thermostats for baseboard heaters.
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Old 02-15-2014, 05:39 PM   #15
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You don't need all of that, they make 110v thermostats for baseboard heaters.
That cycles backwards from what the OP is desiring. Baseboard thermostats open on rise, the OP needs the contacts to close on temperature rise.

I was pointing out the post above about using a relay with a regular thermostat. You would also need to add a power supply that could run the thermostat and relay, thus overly complicated.
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