The Johnson Controls A421 Digital Temperature Controler with power can control a fridge or a heater. (Marked down from $155)
- Features a backlit LCD
- Temperature control range from -40 to 100C
- Pre-wired for standard 120 VAC with dual power cords
- 2 meter long temperature senser cable
- Internal defrost settings
- High and Low Temperature Stop Values determine whether the unit is heating or cooling.