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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 Reviews
Most Helpful Customer Reviews
33 of 35 people found the following review helpful
By T. Meier
Amazon 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.
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.
25 of 28 people found the following review helpful
By Wretha Smith
Amazon 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.
This works great for us, I decided on the non-digital thermometer because typically digital items don't like being hooked up to modified sine wave inverters (though this setup might not be a problem, it's digital timers that really have trouble), and it wouldn't take any extra power or need a separate battery in the unit, I set it on 35 degrees F and it works like a charm. There have been a couple of nights when we didn't have much power (several cloudy days in a row), our system ran low on power and we had to shut it down for the night, the freezer box kept the food plenty cold enough overnight, the next day when the sun came up, we turned it back on and had no problems.
Here are the pros and cons:
Pros:
1. It works great, the unit runs for a few minutes each hour. My dorm-sized cube refrigerator would run for 5-10 minutes every half hour (+/-), more often if I opened the door...
2. It's efficient, since it's a chest type freezer, when I open the lid, the cold air stays inside the box, and being a "freezer" it's much more insulated, think about grocery stores with their open freezer and refrigerated chests, cold air sinks and even without a lid, the food stays cold.
3. It doesn't take up much room, that's important when you live in a small sky castle...
Cons:
1. Being a chest type freezer, opening from the top, it is more of a challenge to store food inside, no shelves, I use plastic baskets, 2 medium sized stacked together and 2 smaller ones stacked together for the bottom of the unit. I just have to get creative about how I put my food in the box.
2. Another drawback to opening at the top, you can't stack anything on top of the unit, at least not for any length of time, you will have to move anything on top before you can open the lid. I placed a table next to the freezer that is the same height, that way I have somewhere to put things that I am placing in and removing from the freezer.
3. Condensation, these freezers do create condensation on the inside, so from time to time I have to take everything out and wipe it dry. I tried keeping towels in the bottom, but that was a mistake, the towels make a great substrate for growing mold and that smells horrible, so no more towels, I just wipe it out once a week or so... I also try to remember to wipe the sides when I'm getting something out of the fridge.
Wretha
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.
This works great for us, I decided on the non-digital thermometer because typically digital items don't like being hooked up to modified sine wave inverters (though this setup might not be a problem, it's digital timers that really have trouble), and it wouldn't take any extra power or need a separate battery in the unit, I set it on 35 degrees F and it works like a charm. There have been a couple of nights when we didn't have much power (several cloudy days in a row), our system ran low on power and we had to shut it down for the night, the freezer box kept the food plenty cold enough overnight, the next day when the sun came up, we turned it back on and had no problems.
Here are the pros and cons:
Pros:
1. It works great, the unit runs for a few minutes each hour. My dorm-sized cube refrigerator would run for 5-10 minutes every half hour (+/-), more often if I opened the door...
2. It's efficient, since it's a chest type freezer, when I open the lid, the cold air stays inside the box, and being a "freezer" it's much more insulated, think about grocery stores with their open freezer and refrigerated chests, cold air sinks and even without a lid, the food stays cold.
3. It doesn't take up much room, that's important when you live in a small sky castle...
Cons:
1. Being a chest type freezer, opening from the top, it is more of a challenge to store food inside, no shelves, I use plastic baskets, 2 medium sized stacked together and 2 smaller ones stacked together for the bottom of the unit. I just have to get creative about how I put my food in the box.
2. Another drawback to opening at the top, you can't stack anything on top of the unit, at least not for any length of time, you will have to move anything on top before you can open the lid. I placed a table next to the freezer that is the same height, that way I have somewhere to put things that I am placing in and removing from the freezer.
3. Condensation, these freezers do create condensation on the inside, so from time to time I have to take everything out and wipe it dry. I tried keeping towels in the bottom, but that was a mistake, the towels make a great substrate for growing mold and that smells horrible, so no more towels, I just wipe it out once a week or so... I also try to remember to wipe the sides when I'm getting something out of the fridge.
Wretha
18 of 20 people found the following review helpful
By J. Young
Amazon 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.
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.
Most Recent Customer Reviews
5.0 out of 5 stars
So far so good
The temperature control is pretty accurate and works well so far. The beer in my kegs are cold and taste great!
Published 14 days ago by Josh
5.0 out of 5 stars
just cold enough
Does the exactly what i bought it for and was sent to me fairly quick as well. would probably refer this to a friend
Published 25 days ago by Keith Mayer
4.0 out of 5 stars
Does what I wanted it to do.
I used it to control my refrig temp. Now I use it to turn a fan on/off to cool. I would buy it again, maybe not from Amazon since they take forever to deliver.
Published 1 month ago by Harry Carter
4.0 out of 5 stars
Very effective BUT
It's does what it supposed to do. Just make sure you get a temp sensor that can read water temp. The temp dial has a 4-5 degree difference so once you calibrate it works perfect. Read more
Published 1 month ago by robert
5.0 out of 5 stars
It controls my keezer's temp as advertised.
I have a keezer that I built. In order to keep my beer cold, I bought this product. It works as advertised. No complaints.
Published 1 month ago by rippedlugan
4.0 out of 5 stars
Works fairly well
The device works fairly well - gets the job done. There is a 3-4 degree discrepancy between actual temp and the temp setting, so use this with a thermometer.
Published 1 month ago by J. Gardner
5.0 out of 5 stars
Does exactly what it is supposed to do
I set my freezer down to zero and then set up the control where I like my beer 55F and it does the rest. Set it and forget it.
Published 1 month ago by Eric R. Caron
5.0 out of 5 stars
great product
This is a great product - keeps the freezer at the PERFECT temp for my homemade beer - it's awesome and unreal how it works. Read more
Published 1 month ago by Shirley Westra
5.0 out of 5 stars
works like a charm!
I brew my own beer and as such I needed a way to control the temperature on my old freezer when laggering.
This controller has worked fine for me. Read more
This controller has worked fine for me. Read more
Published 1 month ago by M. Carlson
5.0 out of 5 stars
Controlling a freezer
The wire is long enough to place anywhere. The controller also has a chain that allows one to hang it. Mine is hanging on a rear hinge. Read more
Published 2 months ago by Tom
