This is an OEM part specifically for Lennox-manufactured equipment

It provides high-tier air quality by removing solids and liquid aerosols down to 0

Optimized Airflow: The 23-degree blade pitch is calibrated to provide consistent CFM without overloading the drive motor

Built with a SPST-NO (Single Pole Single Throw

You adjust the high-pressure cutout point using the range screw

York S1-031-01958-000 Selection Board R-410A This is an OEM partThe York S1 031 01958 000 Selection Board is a critical OEM component engineered for precise airflow calibration in high efficiency variable speed fan coil units. As a technical CFM selection board, this module handles the communication between the air handler control system and the blower motor to ensure exact CFM delivery across various static pressure conditions. Designed specifically for York variable speed fan coil models F4FV060H06T2CA and