Trane SWT1635 Limit Switch Common Questions Is the AM-123

Common Questions Is the AM-123 a universal fit for all dampers

using the designated OEM part number 1008418 ensures the physical mounting and pressure ratings match your specific furnace model

The MARS 12751 fits most round-style mounting brackets with its standard 2-inch diameter

Automatic Reset Functionality: Restores circuit continuity automatically after the system cools

Silver Cadmium Oxide Contacts: Engineered for high-cycle reliability and superior arc suppression

Trane SWT1635 Limit Switch Common Questions Is the AM-123The Trane SWT1635 Limit Switch is a critical OEM replacement component designed for high limit thermal protection in residential and light commercial HVAC units. Engineered with a 3 inch insertion depth, this furnace limit switch monitors internal plenum temperatures to prevent heat exchanger damage. This L180 30 limit switch is factory calibrated to trip and open the circuit at 180F, featuring an automatic reset that restores operation once the