Lennox 11J09 Pressure Switch 340793-762 This is typically a sealed

This is typically a sealed or pre-lubricated unit

Key Benefits for Technicians: Precise Defrost Initiation: Calibrated L68-38F settings prevent premature or delayed cycling

Common Questions What is the difference between HD52AZ465 and HD52AR465

Compatibility: Direct replacement for Cecilware CD56A and ELE004 part numbers

) port utilizes a 1/8" NPT connection

Lennox 11J09 Pressure Switch 340793-762 This is typically a sealedThe Lennox 11J09 Pressure Switch is a high precision, single stage OEM combustion air pressure switch designed for specific Lennox and Armstrong furnace applications. Technicians know that maintaining exact pressure differentials is critical for safe system sequencing; this component is factory calibrated to actuate at 0. 60" W. C. (Water Column). This S1 11J09 induction fan pressure switch replaces legacy part numbers 11U65 and 104106 03, ensuring