This board is specifically calibrated for the sensors and timing sequences of the 1087562 series

This kit is specifically designed for 3/4" Watts dielectric unions (Series 3001

This kit includes the exact OEM mounting parts needed to meet factory specifications

Optimized Airflow Management: Engineered blade pitch delivers optimal CFM for temperature regulation in warehouses and garages

Aprilaire 4247 Fan Blade 326058-758 This board is specifically calibratedThe Aprilaire 4247 Fan Blade is a critical OEM replacement part designed to restore the efficiency and quiet operation of your fan powered humidifier. Constructed from high quality aluminum, this 10 inch diameter blade is engineered to pull heated air directly from your furnace, ensuring your Aprilaire 700 series system maintains peak performance. Featuring a 1 4 inch drive shaft hole and an included set screw (requires a 1 8 inch Allen wrench), this