Trane SWT2686 Limit Switch 321702-401 Testing with a multimeter for

Testing with a multimeter for continuity when cool will confirm if the sensor has failed

this adjustable motor pulley provides the mechanical reliability needed for Carrier

while designed for direct swap-out

Common Questions & Technical Insights Is the T12532-001 compatible with remote sensors

including the blower pre-purge

Trane SWT2686 Limit Switch 321702-401 Testing with a multimeter forWhen you are looking for a reliable Trane SWT2686 Limit Switch replacement, ensuring the correct thermal calibration is critical for system safety and furnace uptime. This OEM Trane heating part is a 125 155F AUTO limit switch, specifically engineered to act as a primary safety control by monitoring discharge air or internal plenum temperatures. It features a precise 125 degree opening temperature and resets automatically at 155 degrees, preventing