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preventing furnace operation if dangerous venting conditions are detected
Also referenced under part number S1-023-18225-000
This model is optimized for non-corrosive refrigerants and features a manual reset to ensure a technician inspects the system before a restart
significantly extending the service life of the threaded connection valve in high-demand commercial environments
Housed in a rugged NEMA 4 enclosure (IP-65)
Trane SWT1257 Limit Switch 326058-755 preventing furnace operation if dangerousThe 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