Trane SWT1257 Limit Switch 323055-751 Precision Balance: Reduces mechanical stress

Precision Balance: Reduces mechanical stress on the condenser motor bearings to prevent premature failure

Multi-Cell Design: Provides balanced heat distribution across the heat exchanger for improved efficiency

This 700 series gas valve features a 1/2" NPT inlet and outlet with a 300

This front cover acts as a primary barrier

Trane SWT1257 Limit Switch 323055-751 Precision Balance: Reduces mechanical stressThe Trane SWT1257 Limit Switch is a critical safety component designed for heavy duty furnace high limit switch applications. This genuine OEM Trane part (also referenced as SWT01257) functions as a normally closed thermal protector that triggers an automatic shutdown if heat exchanger temperatures exceed safe operating parameters. Rated with an L160 30F fixed set point, the switch is engineered to open at 160F and features an auto reset mechanism