Pay in 4 interest-free payments of $6.27 Learn more
Ships within 48 hours · Estimated delivery Sep 5 - Sep 10
there is no difference in performance or physical dimensions
) port utilizes a 1/8" NPT connection
Key Benefits OEM Compatibility: Precision-fit for Weil McLain boiler systems to ensure seamless integration and eliminate sizing errors
Common Questions What is the difference between HD52AZ465 and HD52AR465
Lennox 11J09 Pressure Switch 340793-762 there is no difference inThe 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