Nordyne 624740R Defrost Sensor 319848-301 Superior Arc Suppression: Silver-cadmium oxide

Superior Arc Suppression: Silver-cadmium oxide contacts are specifically designed to handle the high inrush currents of inductive motors

As a veteran-grade dual stage pressure switch

this replacement TEV body provides a leak-proof seal and remains field-serviceable

For deep evacuations below 500 microns

Using a genuine 11177117 pressure switch eliminates the reliability issues common with universal aftermarket parts

Nordyne 624740R Defrost Sensor 319848-301 Superior Arc Suppression: Silver-cadmium oxideFor professional HVACR technicians, the Nordyne 624740R Defrost Sensor is a critical OEM replacement part designed for use in heat pump and packaged unit (RTU) refrigeration systems. This outdoor coil temperature sensor is functionally identical to the 624740 and acts as a direct substitute in various Nortek Global HVAC brands, including Miller, Intertherm, and Frigidaire. By providing continuous thermal feedback to the defrost control board, the