the sensor should be open (infinite resistance)

alongside a dedicated high/low fan speed selector

high-strength brazed joints to minimize potential leak points in the refrigerant circuit

and Q models

Lennox 59M51 Motor THPU32HP7Y the sensor should be openThe Lennox 59M51 Motor is a high performance 1 2 HP blower motor engineered for precision airflow in residential furnaces and air handlers. Operating on a 115V single phase circuit, this PSC (Permanent Split Capacitor) motor is a direct OEM replacement for the K55HXHNC 8771 and is compatible with a wide range of Lennox, Armstrong, and Ducane equipment. This 1075 RPM, 3 speed motor allows for dialed in CFM adjustments to meet specific heating and