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

38" WC (Water Column) pressure rating

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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