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Common Questions Is the AM-123 a universal fit for all dampers
which is vital for preventing premature glass failure in steam service environments
the flame sensor is likely failing to send a sufficient microamp signal to the control board due to soot or oxidation
Automatic Reset Functionality: Restores circuit continuity automatically after the system cools
As a direct 8402-048 replacement
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
