Aqua Logic Digital Temperature Controller - Single Stage Digital temperature controller 115V 15 AMP in a NEMA enclosure. For 1/6 H.P. to 1/2 H.P. 115 V Chillers Temperature range for the controller is - 30 to 220 fahrenheit ( -22 to 105 Celsius. Adjustable temperature differential from 1 to 30 degrees) Aqua Logics digital temperature controllers can be used in a variety of applications where a device needs to be turned on / off based on temperature rise or fall. The Single Stage controller is for use with only one device, a chiller or a heater for example. Push button controls for easy programming of set points, differential, and heating/cooling mode. Keypad lockout to prevent tampering. Non-volatile memory retains control settings during power outages. Programmable in Fahrenheit or Celsius. Differential programmable to 1F Titanium encapsulated sensor for maximum protection from water. Microprocessor based operation for accurate temperature settings. Includes power cord and remote sensor on 8ft cable. NEMA 4x rated water tight enclosure protects internal electrical. Rated for indoor/outdoor use