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  • Johnson Controls Digital Thermostat Control Unit - A419ABG-3C
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Johnson Controls Digital Thermostat Control Unit - A419ABG-3C

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Price: $77.00 & FREE Shipping. Details
Only 10 left in stock.
Sold by Home Brew Ohio and Fulfilled by Amazon. Gift-wrap available.
  • Johnson Product A419ABG-3C
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$77.00 & FREE Shipping. Details Only 10 left in stock. Sold by Home Brew Ohio and Fulfilled by Amazon. Gift-wrap available.

Frequently Bought Together

Johnson Controls Digital Thermostat Control Unit - A419ABG-3C + Taylor Food Service Classic Series Large Dial Thermometer, Freezer-Refrigerator
Price for both: $82.90

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Product Details

  • Shipping Weight: 2.1 pounds (View shipping rates and policies)
  • ASIN: B00368D6JA
  • Item model number: A419ABG-3C
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (466 customer reviews)
  • Amazon Best Sellers Rank: #2,827 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

A419ABG3C, Johnson Controls, Inc., ELECTRONIC TEMP CONTROL; PRE-W 0

Customer Questions & Answers

Customer Reviews

Easy to set up and use with clear instructions.
Vincent J Lupo
Plug the freezer to the temp controller, plug in the controller, press set set arrow up or down to temp desired, press set and you are done!
Robert W Copeland
I use this controller on a Frigidaire chest freezer to use it as a fermentation chamber as well as a kegerator.
O'D

Most Helpful Customer Reviews

74 of 78 people found the following review helpful By Home Brewer on June 24, 2011
Verified Purchase
I use the thermostat to control the temperature in a chest freezer that I use for fermenting beer (35-55 F). The controller works great for this purpose. I also have a second one that I plan on using to operate a HERMS device for my mashing system. You can set the controller to operate a heater or cooling device but you must reposition "jumpers" inside the unit (not difficult but a pain if you plan on doing it often). If you want a unit that switches automatically betweem cooling and heating, you are better off with the more expensive Ranco controller.

This particular controller will allow you to set the target temperature (as either a closing or openning point), the number of degrees of variance from target before the unit turns on/off, a time delay before the unit is allowed to reactivate the device(great for extending the life of a freezer or fridge), power supply on/off option in the case of unit failure and options for using remote monitoring/controlling if you choose to upgrade.

For the money, it is the best value on the market. No wiring required, simply plug in the device to the controller and the controller into the wall. The Ranco offers more options if you prefer to wire your own device or you can go all out and use a Love or other commercial controller that is fully customizable but is best mounted into a control device panel. Check out [...] for examples of what can be done with more sophisticated controller units.
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60 of 63 people found the following review helpful By Karem B. Martinez on April 4, 2013
Verified Purchase
While sold and advertised as a thermostat control for regulating cooling devices for projects like beer brewing and such, the Johnson Controls Digital Thermostat is also capable of a Heat Mode that regulates temps up to 212 Fahrenheit; this is great news for anyone that is interested in setting up their own water oven for sous vide cooking!

In order to do so the unit must be set in Heat Mode (it is set to Cooling Mode by default, indicated by a small snowflake icon on the display when the unit is on), to set the thermostat into Heat Mode you are required to open the unit up with a screwdriver and rearrange 2 small pins from partially connected to fully connected. The instruction manual will show you which pins to adjust. Once the pins have been adjusted just close the unit up and plug it into whatever device you will be using as your water bath (in my case a cleaned out deep fryer), and set your desired Set Point (SP). You will notice that there is a little flame icon on the display where there was once a snowflake, this indicates that the unit is now in Heat Mode. From this point, you can start cooking.

Now for my plus minus:
+ The unit is capable of regulating higher temps for sous vide cooking.
+ The Johnson Controls Digital Thermostat is cheaper than other control units you may find here on Amazon that are sold as "for sous vide" (like the Dorkfoods DSV unit in particular).
+ Long cords (this can be hit or miss for some but the long cords help in my kitchen).
- Not very user friendly, make sure you have the manual handy. While I found the process easy enough, setting the unit to Heat Mode by opening it up and adjusting small delicate pins can be intimidating and confusing for some (I wish this could have been addressed with a simple switch).
Read more ›
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36 of 40 people found the following review helpful By Amazon Customer on September 19, 2011
Verified Purchase
Its easy to use...the manual makes it seem overly complicated.

SP: setpoint (for my purpose 67) the temperature you want the thing to try and maintain.
dIF: differential (1 to 30F, default = 5) I leave at default, this is the point + or - from the setpoint temp (so 62 to 73 in my case.
ASd: anti-short cycle delay (0 to 12 minutes, default = 1)I set to 12 minutes, just to put the least amount of stress on the compressor.

I recommend it!
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13 of 13 people found the following review helpful By D. Bailey on May 16, 2014
Verified Purchase
I'm just going to state this now: the unit works as expected now that I tore it apart and connected the wires that weren't connected. If I didn't have to do this, unit would have gotten at least 4 stars.

Bought this unit for use with a keezer I'm building.

First thing I noticed on powering it up was a blinking error code. Manual said error code was related to the sensor not working. Oh joy. So, I pop the unit open and find the temperature sensor is only connected with one wire. The other wire? It was disconnected and brushing up against the surface mount devices on the little main board. Scary fire hazard, especially when dealing with AC power. Luckily the manual/directions had the wiring diagram. Problem solved.

The take away on this? Before using the unit make sure all the wiring is done properly.
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10 of 10 people found the following review helpful By Philip Wright on February 10, 2014
Verified Purchase
I am using this controller for Sous Vide Cooking & I love it. It has proven to do the job very well. I protect the temperature probe from the water by using a length of 3/8" soft copper tubing which is pinched and soldered shut on the bottom end. That allows the probe to sense the temperature without a lag.
This unit has allowed me to experience Sous Vide cooking at a low cost because I use it in conjunction with an ordinary 7 quart crock pot. I gave it four stars only because the instructions are not user friendly. To help others I have posted photos of the interior mechanism on whysousvide.com. The photos clearly show where the jumpers are and how to move one of them to use it to control a heating unit rather than a refrigerator. It's quite simple once you know how. I also like the long wires as they allow plenty of room to move things around on the counter top.
I highly recommend it.
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