Trane SWT1429 Limit Switch 320720-756 Corrosion Resistance: The stainless steel

Corrosion Resistance: The stainless steel ball and stem prevent premature seat wear and scale buildup in demanding hydronic loops

Industrial Build: Features a moisture-resistant enclosure and high-grade bearings to withstand continuous outdoor operation and thermal cycling

pilot light not staying lit

System Protection: Automatically shuts down the system during high-pressure events to prevent hardware damage

a "VS" series body and high-temperature actuator must be utilized

Trane SWT1429 Limit Switch 320720-756 Corrosion Resistance: The stainless steelAs 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