Lennox 25J30 Limit Switch 38" WC (Water Column) pressure

38" WC (Water Column) pressure rating

Automatic Reset Logic: Eliminates the need for manual intervention once the unit reaches 120°F

the component must be replaced once it has been activated by excessive heat

It is a standard practice for technicians to ensure all local codes and labeling requirements are followed after the LP spring installation

the Robertshaw 801-22 is designed for J-Box housing compatibility

Lennox 25J30 Limit Switch 38" WC (Water Column) pressureThe Lennox 25J30 is a heavy duty, disc style OEM furnace limit switch engineered for high precision thermal monitoring in residential and light commercial air handlers. This SPST normally closed control is a direct drop in replacement for the Lennox 25J3001 and is critical for maintaining safe plenum temperatures. Designed with an automatic reset function, the switch triggers a circuit break when temperatures reach the 155F cutout point, effectively