Champion P02306B Valve Cylinder is an OEM replacement part for HU-series Champion air compressors (Gardner Denver family). It functions as the unloader valve cylinder within the compressor's intake/unloader assembly, enabling controlled venting and unloading of air during stop/start cycles. Catalog entries identify P02306B specifically as the unloader valve cylinder for HU-model units, confirming direct compatibility with Champion HU equipment. This component restores proper valve operation and unloading performance in HU compressors.
