Pay in 4 interest-free payments of $17.24 Learn more
Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
P74AB-1 is identical to P74AB-1C
Secure Terminations: Features large box lugs for professional-grade wire retention and conductivity
What causes a "three-flash" error on this controller
Technical Specifications & HVAC FAQ
Lennox 15P86 Defrost Sensor 340155-7026 P74AB-1 is identical to P74AB-1CThe Lennox 15P86 Defrost Sensor is a critical thermistor assembly engineered for precise outdoor coil temperature monitoring in Lennox heat pump and refrigeration systems. As a veteran tech, you know that accurate data feedback is the frontline defense against restricted airflow and compressor strain. This Lennox 15P86 sensor features an integrated wire harness for seamless heat pump defrost control, sending high fidelity signals to the control board
