Lennox 11H37 Gear Pivot

The Lennox 11H37 Gear Pivot, also identified by model number 50-410430098, is a critical mechanical interface designed for economizer damper assemblies and HVAC louver systems. As a veteran-grade damper pivot gear, this component facilitates the precise transfer of torque between the actuator and the damper blades, ensuring smooth modulation of outdoor air intake. Built to handle high torque loads without structural fatigue, the Lennox 11H37 serves as a durable friction point that resists the wear typically seen in high-cycle commercial HVAC equipment. Whether you are performing a replacement gear pivot install on a rooftop unit or troubleshooting a sticking economizer damper, this OEM part provides the exact tolerances required for tight shut-off and reliable airflow regulation. It is compatible with a wide array of Lennox packaged units, providing a direct-fit solution that restores system efficiency and prevents excessive damper motor strain in demanding industrial ventilation applications.

Key Benefits

• Precision Torque Transfer: Engineered for high-precision gear rotation, ensuring the economizer damper blade moves seamlessly from fully open to fully closed.
• Industrial-Grade Durability: Constructed from high-density materials designed to withstand extreme temperatures and high-vibration environments typical of rooftop HVAC units.
• Optimized Compatibility: Designed specifically as an OEM replacement part for Lennox 50-410430098, eliminating the need for field modifications during installation.
• Friction Reduction: Features low-friction pivot geometry to minimize mechanical resistance, extending the operational life of the damper actuator.

Common Question

Which Lennox models are compatible with the 11H37 gear pivot?
The Lennox 11H37 is widely utilized across various commercial packaged units and economizer sections. It is commonly found in units such as the HVH836GKA201 and N80ESU series, as well as several Lennox Pros vertical units. To verify compatibility for your specific modulating damper setup, check the economizer frame for the matching part number 50-410430098. A worn gear pivot often causes slipping dampers or actuator 24V errors, making it a primary point of inspection during preventative maintenance.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.