Johnson Controls A19AAT-2C Freezer Temperature Controller

The unit woks just as it was described. We are happy with the purchase and would recommend it to others.

I purchased this to make homebrew beer and so far it works just fine keeping my regular frig at the proper temp. My only complaint is that its about 7 to 9 degrees off which makes it a bit of a pain when you have to slowly work the temp down over a...

This may be my favorite gadget in the house. It keeps my chest freezer at very exact temperatures (+/- 2 max.) and allows my home brew to ferment efficiently.

I have two of these. One of them is about 15 years old and still works like a champ. I originally bought it for use in converting an old fridge to do lagering for beer making. I now use them to control the temperature of my dry curing cabinet. They are...

once you set it to the temp you want it does its job like i said its a johnson control there the caddy of temp controls in my book this is the 2nd one i bought and plan on a few more if you are a solar power freak you will need these for your homemade...

This product is what I expected it to be. I had researched it online and got what I thought I would.

This temp controller is used on my fermenter for producing beer / wine. While some may prefer digital and fancier, I prefer a good tough product that will last with minimal opportunities for things to go wrong. One plug, one dial, tough casing. This is...

I purchased this item so that the small freezer in my basement could be converted to a fridge for aging barleywine ale. I had been keeping this beer in my basement on a shelf and the temps had been nice most of the summer for aging. However as the fall...

I bought this controller to help maintain the temperature of my fridge for my home brewing. This product works as expected. The temperature seems to stay with in 2-3 degrees of the setting, which is great for my needs. I would recommend this to anyone...

I purchased this item to control the temperature of a small refrigerator for the use in brewing lager beer. The Johnson unit does the job!