Lennox 11J09 Pressure Switch 320734-701 Key Benefits: High-Torque Performance: The

Key Benefits: High-Torque Performance: The 1 HP rating provides the necessary power to drive large-diameter fan blades in high-tonnage units

Industrial Build: Features a snap-acting contact structure with high contact force to eliminate bounce and ensure long-term electrical reliability

Its 95-degree rotation and manual override capability allow for easy commissioning and mechanical adjustment during system maintenance or power loss scenarios

The visible scale allows for immediate confirmation of the differential pressure at which the SPDT contacts will reposition

Lennox 11J09 Pressure Switch 320734-701 Key Benefits: High-Torque Performance: TheThe 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