What does the white sleeve on the 56M13 indicate

By utilizing this OEM humidifier valve

Attempting to use this on an R-410A system will result in improper refrigerant flow and likely system failure due to the different pressure requirements of the refrigerants

Upgrade or maintain your water heating system with the Lochinvar & A

Versatile Application: Suitable for managing fan speeds

Lau 6130640001 Fan Blade 319847-401 What does the white sleeveThe Lau 6130640001 Fan Blade is a heavy duty, aluminum propeller engineered specifically for high demand HVAC condenser units and industrial ventilation systems. This 22 inch diameter component features a 24 degree pitch and a 3 blade configuration, optimized to move high volumes of air while maintaining balanced operation to reduce mechanical vibration. Designed for clockwise (CW) rotation, it includes a 1 2 inch bore positioned on the intake side