Browning 1VL34X5/8 CLEAR PK Sheave 321894-708 this unit provides the precision

this unit provides the precision required for complex pneumatic logic circuits

It has a 12-inch diameter

This unit operates on a standard 24V AC signal from the water heater or boiler control board

24V Low-Voltage Control: Engineered for standard 24VAC control circuits

it ensures electrical compatibility and lead-length accuracy for rapid field installation

Browning 1VL34X5/8 CLEAR PK Sheave 321894-708 this unit provides the precisionThe Browning 1VL34X5 8 is a professional grade, variable pitch sheave designed for precise fan speed adjustments in HVACR systems. Engineered from high strength cast iron, this single groove component features a 3. 15" outside diameter and a 5 8" fixed bore with a standard keyway and setscrew for secure shaft mounting. Its versatile design allows for a pitch diameter adjustment range of 1. 7" to 3. 3", making it an essential part for balancing airflow