Rheem-Ruud SP20732 Pressure Switch R-22 The Carrier HH79NZ065 Thermistor is

The Carrier HH79NZ065 Thermistor is a genuine OEM replacement temperature probe designed for high-accuracy thermal monitoring in Carrier

totally enclosed fan-cooled (TEFC) replacement built for demanding unit heater environments

Specifically engineered for make-up air heating and indirect-fired units with atmospheric burners

Always verify your unit's full model and serial number to ensure specific cabinet fitment

It features a 1/4" male NPT inlet and is factory set at 30 PSI with a flow capacity of 43 SCFM

Rheem-Ruud SP20732 Pressure Switch R-22 The Carrier HH79NZ065 Thermistor isThe Rheem Ruud SP20732 Pressure Switch is a critical OEM replacement part designed for precision monitoring in HVAC induction systems and water heater gas valves. Engineered with a single pole single throw (SPST) electrical configuration, this component ensures the draft inducer motor generates sufficient negative pressure before allowing the ignition sequence to proceed. It functions as a primary safety interlock, preventing gas release if venting