Check terminal connections for high resistance and ensure the sensor leads are not run in the same conduit as high-voltage line power
As a robust OEM replacement part
the Browning AK79X3/4 sheave is a solid choice
Precise Airflow Regulation: Maintains consistent furnace blower CFM
repeatable pneumatic modulation
Browning 1B5V50 Sheave 318423-701 Check terminal connections for highThe Browning 1B5V50 Sheave is a robust, single groove component engineered for reliable power transmission in demanding HVACR and industrial applications. Constructed from high strength cast iron sheave material, this unit boasts a 5. 28 inch outside diameter, ensuring precise fitment and optimal belt alignment. Designed for versatility, it accommodates a wide range of belts, including 4L, A, AX, 5L, B, BX, 5V, and 5VX sections, making it a flexible