Using this genuine Carrier replacement part ensures long-term reliability by mitigating the harmonic vibrations that lead to premature piping failure and refrigerant leaks

Environmental Protection: TEAO enclosure prevents dust and moisture ingress

delivering the precise static pressure required to purge the heat exchanger and activate the pressure switch

this 1-inch NPT valve is designed to withstand the rigorous thermal cycling common in commercial HVACR systems

Is this suitable for both 50Hz and 60Hz operations

Carrier HH79NZ078 Temp Sensor 318973-401 Using this genuine Carrier replacementThe Carrier HH79NZ078 Temp Sensor is a critical thermistor based component engineered for precise temperature monitoring in Carrier and Bryant HVAC systems. Designed for high accuracy feedback, this replacement HVAC sensor interfaces directly with the main control board to regulate system operation based on real time ambient or return air data. Experienced technicians utilize the HH79NZ078 when diagnosing sensor resistance errors or erratic system