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  • Johnson Controls A19AAT-2C Freezer Temperature Controller
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Johnson Controls A19AAT-2C Freezer Temperature Controller

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Price: $55.53 & FREE Shipping. Details
In stock on May 6, 2015.
Order it now.
Sold by Home Brew Ohio and Fulfilled by Amazon. Gift-wrap available.
  • Great for turning a chest freezer into a keg refrigerator.
  • Easy to set up and use.
  • Plug unit into wall and then run the sensor into your freezer.
  • Temperature range: 20 - 80F.
  • Easy to adjust with a quick turn of the dial.
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$55.53 & FREE Shipping. Details In stock on May 6, 2015. Order it now. Sold by Home Brew Ohio and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Johnson Controls A19AAT-2C Freezer Temperature Controller + Taylor Food Service Classic Series Large Dial Thermometer, Freezer-Refrigerator
Price for both: $61.43

One of these items ships sooner than the other.

Buy the selected items together


Product Details

  • Product Dimensions: 10.2 x 6 x 3.8 inches
  • Shipping Weight: 1.8 pounds (View shipping rates and policies)
  • ASIN: B0002EAL58
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (210 customer reviews)
  • Amazon Best Sellers Rank: #4,042 in Kitchen & Dining (See Top 100 in Kitchen & Dining)
  • Product Warranty: For warranty information about this product, please click here

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Product Description

Use this handy controller to regulate the temperature in your freezer between 20 - 80F . Great for turning a chest freezer into a keg refrigerator. Strictly a mechanical thermostat for cooling only, it is simple to use and economical. It operates with a gas filled probe on a 6-foot capillary tube. When the gas contracts or expands in the probe, it triggers a mechanical device inside the control which turns the power on or off. There is no probe temperature readout on the dial, so keeping a thermometer inside the refrigerator is highly recommended to keep track of the actual temperature. On most refrigerators, the controller will allow a usable range of 37 to 80 F, while on freezers, the controller will be able to reach its full 20 to 80 F range. *Keep in mind that if you use it to control a refrigerator, you will lose the use of the freezer compartment for food storage, as it will not stay cold enough for safe frozen food storage. In stock and ready to ship. Features: Made of stainless steel. Adjustable with the turn of a knob. No drilling necessary. Plug unit into wall and then run the sensor into your freezer. Male and female plug in one. Specs: Temperature dimensions: 4 3/8"H x 2 1/8"W x 1 1/2"D. Cord dimensions: 6'. Remote sensor bulb: 5 1/2"W. Remote sensor bulb capillary tube: 6'. Temperature range: 20 - 80F. Voltage: 120 VAC. . . Includes: Chain hanger kit. Instructions.

Customer Questions & Answers

Customer Reviews

Love it and my beer stays nice and cold because of it!
BEEEEERR
Overall, it works great and I have never seen the internal freezer temperature more than a degree off of what I set on the controller dial.
Chris K.
This controller lets me use a chest freezer to keep beer at the perfect temp.
Nathan p.

Most Helpful Customer Reviews

58 of 61 people found the following review helpful By WrethaOffGrid on November 26, 2011
Verified Purchase
This works!
My hubby and I live 100% off grid, we are using a small solar system, we needed a way to refrigerate our food without draining the battery bank (or our financial bank), in the beginning we simply used a small dorm sized cube refrigerator but that used a lot of power, we didn't use it very often.

I learned about converting a chest type freezer into a refrigerator using an external thermometer and decided to give it a try. We purchased this external thermometer here on Amazon (it's one of the cheapest prices I've found), we already had a small chest type freezer, we hooked it up and in the beginning it ran quite a bit, but once it got down to the temp I set, it shut off and now only runs about a couple of minutes an hour.

The way it works is simple, this is an external thermometer, you place the probe (that copper colored thing) into the freezer box, I placed mine about a foot from the bottom. Next you plug the freezer into the external thermometer, then you plug the thermometer to your power supply, set the temperature of the thermometer and you are good to go. I originally set it on 40F, then later dropped it down to 35F, I have used a point and shoot laser thermometer to test the inside temps of the freezer once it reached my set temp, and it is pretty accurate. Be careful with the probe, it can get kinked, carefully unwind it and place it inside your freezer box, some chest freezers have a drain hole in the bottom, you can run the probe through that, mine didn't have a drain hole so I just ran it in the back through the door opening, the copper wire is small and doesn't interfere with the door closing.
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51 of 55 people found the following review helpful By T. Meier on March 7, 2011
Verified Purchase
Since my chest freezer dials only allowed for temperatures of freezing and below, or 50 and above, I had no way of keeping my kegs cold enough to where I like my beer (35-40 degrees).
But this device has been outstanding. To limit the frequency of which it turns on, I placed the thermometer in a glass/bottle of water. That way, when the liquid gets to cold, that's when the thermostat kicks in and turns the freezer back on until the liquid is at the desired temp. Also saves the compressor so it's not kicking on as much.
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24 of 27 people found the following review helpful By J. Young on March 25, 2010
Verified Purchase
I bought this to control the temp of my mini-fridge that I use to lager beer in. Basically you plug this unit into the wall and plug your fridge's power plug into it. The thermostat probe is placed inside the fridge and basically shuts off the power to the unit when a certain temp is reached. Because of the way this unit works, you have to set your fridge to the coldest setting. This unit would also be great to turn a deep freezer into a fridge.

Keep in mind if your fridge isn't capable of getting to the temp you set then it will run all the time and possibly damage the compressor on your fridge. Also keep in mind the probe placement is important. If you put the probe in the fridge next to where the cold air blows into the compartment, its going to kick off the fridge before the entire compartment has reached the right temp.
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13 of 15 people found the following review helpful By Ran Prieur on October 4, 2011
Verified Purchase
I'm not using this for home brewing, but to use a chest freezer as my regular household refrigerator. It's much more energy efficient, partly because the cold air stays in place when you open it, and partly because it's better insulated. Until manufacturers start making home refrigerators in the chest configuration, the best you can do is trick a freezer into operating at higher temperatures. This product does the job. I stuck the outdoor sensor of my digital thermometer inside to check the temperature, and the dial was right on, with maybe three degrees of fluctuation each way.

If you use a chest freezer as your main refrigerator, be sure to get one with lots of baskets! Another issue is condensation. Upright fridges typically catch the water and drop it into an evaporation pan. Freezers don't have this, but they do have a drain hole. I keep the drain hole open all the time and stick a rag where the water comes out, and then use the rag to clean the floor.
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8 of 9 people found the following review helpful By Luvthesun on April 22, 2010
Verified Purchase
This thermostat control is very easy to use. You just plug your refridgeration device of choice in -- I am using a small wine refrigerator that I am using for aging hard cheese that I make -- and set the desired temp on the dial. I have a digital thermometer monitoring the temp inside, and the temp stays just where I want it, within 3 degrees of the set temp. This control unit seemed to have the best price point when I was looking for this product.
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7 of 8 people found the following review helpful By R Family Farm on November 28, 2011
Verified Purchase
We do Farmer's Markets in a BIG Way and have 200+ dozen eggs per week. We use the Freezer Temp Controller in our big chest freezer so we have lots of room for transporting eggs to Market. This works better than an upright fridge because the cold air stays "in" because you only open the top. We have NO problem keeping our eggs at 41 degrees or below and the health department is thrilled. When not transporting eggs to the market, we turn the "chest fridge" back into a Freezer to haul frozen Meat back from our Processor. We love it and plan to buy at least one more for use in our store.
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Want to discover more products? Check out these pages to see more: how to keg beer, how to build a cooler