The GC500 series constant differential controls always maintain the same difference between on & off temperature over the range of the control.


  • Ideally suited for "frost-free" refrigerators and conventional units.
  • Universal mounting hardware insures controls will replace wide range of controls
  • See Cross Reference tab for additional numbers



  • Normal Off/On Temperature: 31°F / 36°F
    Calibration °F: Warm On: 49°F
    Calibration °F: Cold Off: -16°F
    Differential °F: 5°F
    Capillary Length: 24"

GC505 Universal Cold Control For Cooler 16°F to 49°F