Ranco ETC (Electronic Temperature Controller) model 111000. Use as an overriding thermostat to control your kegerator deep freeze or refrigerator or fermentation chamber. Single stage digital temperature controller.
Update: Since this post was published the price, availability or promotion has changed. Check the product page for up to the minute description, price and availability. Also: Today’s Deals on Amazon
Also Consider: Inkbird Dual Stage Temp Controller
More: Recent Amazon Recent Amazon Finds [view more]:
Recent Amazon Finds [view more]: