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This unit is CSA certified for a 1/2 PSI maximum inlet pressure
It features a unique dual stem seal design using PTFE packing
the 5H0719230000 is the direct manufacturer-designated replacement for the 5H71923
Using an OEM furnace limit switch is highly recommended to ensure the mounting footprint and thermal response curve match the original safety specifications of the floor furnace
Trane SWT2686 Limit Switch R-134A This unit is CSA certifiedWhen 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