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

This 3/4" NPT gas valve features a thermopile magnet and a slotted safety magnet

Snap-On Installation: Side-mounting configuration allows for rapid

Built with a 6-inch corrosion-resistant stainless steel probe

and R-507A refrigerants

Trane SWT1429 Limit Switch 323055-751 Durable 3-Inch Probe: The extendedAs 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