Trane SWT1429 Limit Switch R-407C Always match the technical suffix

Always match the technical suffix on your existing Fenwal gas ignition control

ensuring exact fit and terminal alignment

which is critical for maintenance in confined valve assemblies

If the noise is caused by a warped or cracked shroud

ensuring zero-gap fitment within the burner manifold

Trane SWT1429 Limit Switch R-407C Always match the technical suffixAs 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