Lennox 36N91 Drain Spud 320734-701 provided the seat remains clear

provided the seat remains clear of debris

Using a switch with a different rating will result in ignition failure or safety lockouts

Always match the reset type and temperature specifications found on the original equipment manufacturer's data plate

providing a seamless cut-out at 130°F and a vertical cut-in at 100°F

making it a staple for professional gas ignition control retrofits and repairs

Lennox 36N91 Drain Spud 320734-701 provided the seat remains clearThe 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