DTZK15-DMS-K is an Encitech part that is used for controlling the temperature in a variety of air conditioning, refrigeration, and climate control applications. It features a Universal Input with four-color LED, adjustable potentiometer, SSR output, and selector switch for temperature scale selection (Celsius or Fahrenheit). This makes it ideal for controlling multiple types of temperature systems with one part. The DTZK15-DMS-K also features a 15-amp relay, adjustable measure range from 5°C to 75°C (41°F to 167°F) with accuracy ±2% +/- 1, adjustable differential of 0.5°C to 10°C (1°F to 18°F), and a reset function.