Description
The Lennox 59W63 Outside Air Sensor is a precision-engineered outdoor temperature sensing accessory designed for use with compatible Lennox HVAC systems. By continuously monitoring ambient outdoor air temperature, this sensor enables the control system to make intelligent adjustments to heating and cooling operation — improving comfort, energy efficiency, and equipment longevity.
Key Features
- Designed as a genuine Lennox OEM replacement sensor
- Monitors outdoor ambient air temperature for accurate system control
- Enables outdoor reset and economizer strategies to optimize efficiency
- Compatible with Lennox communicating and conventional control systems
- Durable construction suited for outdoor installation environments
- Helps reduce energy consumption by informing smarter system operation
Application
The 59W63 outside air sensor is ideal for residential and light commercial Lennox HVAC installations where outdoor temperature data is required by the system controller. Proper outdoor air sensing allows the system to modulate operation based on real-time conditions, supporting features such as outdoor air temperature lockouts, demand-controlled ventilation, and energy-saving setback strategies.
Installation
- Mount in a shaded outdoor location away from direct sunlight and heat sources
- Follow Lennox installation guidelines for wiring and placement
- Intended for use with compatible Lennox control boards and thermostats
Why Choose Lennox OEM Parts?
Using genuine Lennox replacement components like the 59W63 ensures proper fit, reliable performance, and maintains system warranty compliance. Trust OEM quality for every service call.







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