Lennox 36N91 Drain Spud 320074-702 Wide Adjustment Range: Field-adjustable settings

Wide Adjustment Range: Field-adjustable settings from 50 to 450 psi provide flexibility for various head pressure requirements

this unit is also dual-certified under ASME Section VIII for air and non-hazardous gas applications

requiring field recalibration using the adjustable scale plate

in most Reznor unit heaters

providing high-capacity flow for larger residential and light commercial equipment

Lennox 36N91 Drain Spud 320074-702 Wide Adjustment Range: Field-adjustable settingsThe Lennox 36N91 Humidifier Drain Spud is a critical OEM replacement part engineered for high performance fluid management in HVAC whole house humidifiers. Designed to facilitate consistent condensate drainage, this component ensures that excess water is efficiently routed from the drain pan to the discharge line, preventing standing water and the resulting risk of scale buildup or mold growth within the system. This 1 2 inch OD discharge fitting is