You can set the starting point (zero) between 0 to 6 VDC and the operating range (span) between 2 to 10 VDC to match your specific controller requirements

As a veteran-grade pilot assembly kit

but it is best practice to inspect the existing shaft for scoring before installation

typically integrating into the main limit switch assembly position to monitor airflow obstructions or blower failure

Browning AK34X1/2 Sheave 319848-301 You can set the startingThe Browning AK34X1 2 Sheave is a precision engineered fixed bore V belt pulley designed for fractional horsepower (FHP) applications in light duty HVACR and industrial air handling systems. Constructed from close grain cast iron, this single groove sheave is accurately machined to tight tolerances and statically balanced to minimize vibration and extend the service life of your blower motors and bearings. Featuring a 3. 45" outside diameter and a 1