Johnson Digital Temperature Controller at HomeBrewing.com for control of fermenting temperatures, refrigeration or brewing systems. Get control of your brewing temperatures with the Johnson Digital Temperature Controller.
The Johnson digital controller is used to control the temperature of a refrigerator, or similar cooling or heating device
Enter your desired temperature, called set point, and how tightly you want your temperature maintained, called differential, and let the controller do the rest.
* See the online Johnson Digital Temperature Controller details page for more
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