High Flow Capacity: The 1-1/8" port size ensures minimal pressure drop across the valve

you can swap the replacement motor head without draining

Durable 3-Inch Probe: The extended 3-inch insert allows for accurate temperature sensing deep within the primary airflow path

and R-507A refrigerants

Resetting it may restore power

Trane SWT1429 Limit Switch 323055-751 High Flow Capacity: The 1-1/8"As a seasoned technician, you know that a tripped Trane SWT1429 Limit Switch is often the first sign of a restricted heat exchanger or blower motor failure. This 3 prong primary high limit switch is a critical safety component designed to monitor the supply plenum temperature in Trane and American Standard furnaces. Engineered to open the 24V control circuit when internal temperatures exceed safe operating parameterstypically around 175F to 190F