If this persists after a power-cycle reset (removing 120V for 5 seconds)

Compatible with Lennox HS29 and 10ACB series condensing units

This OEM limit switch features a compact 19mm pluggable design

York S1-031-01944-000 Novar Temp Sensor

Trane MOT19227 Motor 323055-751 If this persists after aThe Trane MOT19227 Motor is a high performance 120V 1HP blower motor engineered for heavy duty air handling applications in Trane and American Standard HVAC systems. Operating at a fixed speed of 1050 RPM, this motor provides the necessary torque to drive blower wheels and larger fan assemblies, ensuring consistent static pressure and airflow delivery across the ductwork. As an OEM replacement motor, the MOT19227 maintains system critical