Carrier HH79NZ077 Themistor 319852-301 While primarily used in 24VAC

While primarily used in 24VAC control circuits

This part is essential for restoring 120V ignition circuits in residential and commercial packaged units

making it better suited for modulating steam pressures and equipment where air removal is critical during start-up

whereas the P70 series typically utilizes SPST or SPDT

Engineered to handle the rigorous demands of mechanical contractors

Carrier HH79NZ077 Themistor 319852-301 While primarily used in 24VACThe Carrier HH79NZ077 Thermistor is a critical 10k ohm negative temperature coefficient (NTC) sensor designed for precise temperature monitoring in residential and light commercial HVAC systems. This OAT OCT sensor functions as both an Outdoor Air Temperature sensor and an Outdoor Coil Temperature sensor, providing essential feedback to the control board to manage defrost cycles and staging. Engineered for Carrier, Bryant, and Payne heat pumps and air