Diagnostic Reliability: Prevents nuisance tripping and intermittent furnace lockout issues caused by inferior aftermarket sensors

000 Amp Interrupting Capacity (AFC) for enhanced safety during circuit faults

For technicians servicing Danfoss RA valves

making it a preferred choice for residential and light commercial HVAC furnace repair

Trane SWT3927 Limit Switch 322838-752 Diagnostic Reliability: Prevents nuisance trippingThe Trane SWT3927 Limit Switch is a critical safety component designed for precise thermal regulation in residential and commercial forced air systems. This L155 60F limit switch features a cutout temperature of 155F and a 60F differential, ensuring the heat exchanger does not exceed safe operating parameters. When the plenum temperature hits the high limit setpoint, this genuine OEM Trane part interrupts the burner circuit, preventing equipment