Ideal replacement for a damaged refrigerator thermostat. This unit is designed to a failed thermostat and features a D shaped shaft for secure knob attachment. Wide compatibility across common cooling appliances. Controls the temperature of refrigerators, display cabinets, congealers, beverage coolers, and similar products. Easy to use with manual controls. Simple operation allows straightforward adjustment of temperature settings. Key benefits at a glance Function: restores accurate temperature regulation in compatible units. Compatibility: built for devices with a D shaped shaft knob; verify shaft size and mounting fit before . Performance: provides reliable temperature control when installed in suitable equipment. Use scenarios Home kitchen: a damaged thermostat in a household refrigerator to restore precise cooling. Caf or : swap in the thermostat for a display cabinet to maintain consistent product temperature. Office or small restaurant: install in a beverage cooler to regulate chilling levels for drinks.