the 153825 is the head mechanism only

This pressure switch is FM approved and UL listed

Integrated ball bearings provide smooth

Built with a spring return stem up configuration

allowing for versatile HVAC system troubleshooting and installation across multiple mounting positions

Carrier HH79EZ003 Thermister Discharge 320720-756 the 153825 is the headThe Carrier HH79EZ003 Thermister Discharge DTT is a critical OEM sensing component designed for precise monitoring of discharge gas temperatures in high performance HVACR systems. As a veteran grade discharge line thermistor, this part provides real time thermal feedback to the system control board, ensuring the compressor operates within safe parameters. By utilizing a high sensitivity 10k ohm resistance curve (referenced at 77F), the HH79EZ003