Trane CNT0674 v 319852-301 Includes a universal mounting bracket

Includes a universal mounting bracket for flexible installation in various damper frame configurations

making it the standard choice for managing compressors and condenser fans in Carrier

Designed for long-term operational reliability

The SKU SWT1261 is the current service part number used by technicians to replace the factory-installed C340056P07 limit switch without requiring any modifications to the mounting bracket or wiring

Verified Reliability: Features a high-torque 1550 RPM motor with internal thermal protection to prevent overheating during continuous cycles

Trane CNT0674 v 319852-301 Includes a universal mounting bracketThe Trane CNT0674 is an industrial grade 170 210F AUTO Limit Switch designed for high performance temperature regulation in forced air systems. As a SPST N C (Single Pole Single Throw, Normally Closed) safety control, this component is critical for preventing heat exchanger overheating. The switch is calibrated to open at 210F, effectively interrupting the burner or heating circuit when thermal limits are exceeded, and automatically resets when