Johnson A421 Digital Temperature Controller itemID-18379 we've seen these take damage

we've seen these take damage

10" housing

and that same month walked in on the very first brew at Rogue Ales Brewery in Newport

Estimated Alcohol Percentage: 3

Johnson A421 Digital Temperature Controller itemID-18379 we've seen these take damageThe Johnson digital temperature 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. This is a high quality, ready to go temperature controller that is accurate and easy to use.