Engineered to handle the rigorous demands of mechanical contractors

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

Is this suitable for both 50Hz and 60Hz operations

Whether you are performing a standard maintenance override or a critical component swap

Do I need to replace the defrost thermistor when installing this board

Carrier HH79NZ078 Temp Sensor 318973-401 Engineered to handle the rigorousThe 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