Industrial 22N099G Pilot Unloader Valve Assembly

PN22N099G is a pilot-operated unloading valve assembly for Speedaire 11X292 air compressors. Also cataloged as 19NC47, this Speedaire replacement part is identified by PN22N099G as the unloading valve for the 11X292 model and is sold under the SPEEDAIRE brand. Some catalogs and retailers list PN22N099G as compatible with Speedaire 4B219 and 4B220 variants, indicating broader applicability within the Speedaire line. As a pilot unloader valve, it controls air release in the unloading circuit to enable the valve's unloading function within the compressor's control system, helping maintain proper pressure in the line. This valve is typically sold as a standalone replacement part intended for professional installation in compatible Speedaire units, and it serves to restore unloading functionality in the model lines associated with Speedaire's 11X292 and related configurations.