With the inducer motor running

As an OEM component

the 72H72 and 72H7201 are technically identical components with the same capacitance and voltage ratings

this SPDT contactor delivers the electrical integrity required to maintain consistent airflow and safety logic in Reznor heating systems

calibrated to trigger at a 410 PSIG cut-out

Carrier HK02ZB028 Pressure Switch Els PW 17895 With the inducer motor runningThe Carrier HK02ZB028 Pressure Switch is a critical safety component designed for precise HVAC low pressure cutout protection in residential and commercial Carrier, Bryant, and Payne systems. As a genuine OEM replacement part, it ensures the compressor is protected from damage caused by loss of charge or low ambient temperatures. This switch is factory calibrated with a 27 psi open and 60 psi close set point, facilitating an automatic reset once