Why is the 1 3/16" diameter critical

Diagnostic Resolution: Directly addresses furnace short-cycling and relay clicking issues caused by worn thermal sensors

Converting this burner assembly to LP requires a specific conversion kit and orifice change to meet safety and performance standards

while the long dryseal pipe threads ensure a deep

maintaining the integrity of the electromagnetic circuit

Trane SWT3546 Pressure Switch 318423-701 Why is the 1 3/16"The Trane SWT3546 Pressure Switch (Mfr Part #: SWT03546) is a critical OEM replacement part engineered for precise low side monitoring in Trane and American Standard HVAC units. This single pole, single throw (SPST) switch features a calibrated open pressure of 50 psig and a close pressure of 70 psig, effectively preventing compressor slugging and long term damage due to low refrigerant charge or restricted airflow. Designed for HVAC repair