Trane SWT1278 Limit Switch 319847-401 Enhanced Equipment Life: Protects expensive

Enhanced Equipment Life: Protects expensive downstream IFD collection cells from heavy debris loading

the shielded 22/2pr construction meets the physical layer requirements for many RS-485 and BACnet MS/TP applications

verify the microfarad rating on your existing capacitor to ensure professional-grade performance and equipment longevity

Industrial Durability: Balanced 3-blade design reduces mechanical wear on the motor shaft and bearings

By utilizing a 60-inch capillary with a 3/8" x 4" cross ambient bulb

Trane SWT1278 Limit Switch 319847-401 Enhanced Equipment Life: Protects expensiveThe Trane SWT1278 Limit Switch is a critical safety component designed for precise thermal regulation within furnace supply plenums and industrial heating configurations. Engineered for high reliability performance, this fixed temperature limit control features a 150F opening setpoint (150op) to prevent heat exchanger overheating and a 120F closing setpoint (120cl) for circuit reset. As a veteran grade OEM replacement part, the SWT1278 is essential