Description
Optimize your HVAC system’s ventilation and energy efficiency with the York S1-6434434 Economizer Control Board. This OEM-grade control module enhances air-handling unit performance by intelligently managing economizer cycles — using outdoor air for cooling when conditions allow, thereby reducing reliance on mechanical refrigeration. It’s a reliable solution for commercial and industrial HVAC systems, delivering better energy efficiency, reduced operating costs, and improved indoor air quality.
Key Features
- Energy-efficient economizer control: Automatically regulates when to draw in outside air versus engage traditional cooling — helping you cut energy consumption without compromising comfort.
- OEM-certified reliability: A genuine OEM part from York / Johnson Controls, ensuring proper fit, stable performance, and compatibility with designated HVAC/economizer systems.
- Version 5.0 — latest design: Incorporates the most up-to-date revisions for efficient, dependable operation in modern HVAC setups.
- Plug-and-play replacement/install: Designed for seamless integration into existing economizer-equipped air-handling units or rooftop systems — suitable for retrofit upgrades or OEM-spec installations.
- Ideal for large commercial/industrial HVAC systems: Especially useful in buildings where ventilation, air quality, and energy management are critical — offices, warehouses, commercial spaces, or institutional facilities.






