Description
The Lennox 23K57 is a genuine OEM Economizer Control designed for use with compatible Lennox HVAC systems. Engineered to manage and regulate the economizer function, this control ensures your system takes full advantage of favorable outdoor air conditions — reducing mechanical cooling loads, cutting energy costs, and improving indoor air quality.
Key Features
- Genuine Lennox OEM replacement part (SKU: 23K57)
- Designed for precise economizer cycle management
- Helps reduce mechanical cooling demand by maximizing free cooling from outdoor air
- Supports improved indoor air quality (IAQ) through controlled ventilation
- Built to Lennox quality and reliability standards
- Direct replacement for compatible Lennox rooftop and commercial HVAC units
Why Economizer Controls Matter
Economizer controls are a critical component in commercial HVAC systems. By monitoring outdoor air conditions and modulating the economizer damper accordingly, this control helps your system operate at peak efficiency — delivering comfort while minimizing energy consumption. Using a genuine Lennox OEM part ensures proper compatibility and long-term reliability.
Application
- Compatible with select Lennox commercial rooftop and packaged HVAC units
- Ideal for replacement in systems experiencing economizer control failure or malfunction
Ordering Information
- Brand: Lennox
- Part Number / SKU: 23K57
- Type: Economizer Control
For compatibility confirmation, consult your unit’s service manual or contact our team at Jackson Systems. Order the Lennox 23K57 Economizer Control today and keep your system running at its best.







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