Danfoss 120Z0459 Crankcase Heater The 10k Type II thermistor

The 10k Type II thermistor provides an interchangeability accuracy of +/- 0

Common indicators include the compressor "hard starting" or humming

Engineered for the rigors of mechanical rooms

20" WC Calibration: Ensures accurate vacuum detection required for furnace ignition sequence reliability

Danfoss 120Z0459 Crankcase Heater The 10k Type II thermistorThe Danfoss 120Z0459 Crankcase Heater is a critical PTC crankcase heater designed to prevent refrigerant migration and ensure reliable compressor lubrication during off cycles. Since this is a positive temperature coefficient (PTC) component, it provides self regulating heat output, drawing 27 Watts to maintain the oil sumps temperature without requiring external thermostats. This model is a direct cross reference for the Danfoss 7303507, making it a