Campbell Hausfeld CV222201AJ Air Compressor Check Valve

Campbell Hausfeld CV222201AJ Air Compressor Check Valve (also cataloged as CV222201SJ) is an OEM replacement part that seals the pump-to-tank line in Campbell Hausfeld air compressors. Acting as a one-way valve, it permits airflow into the tank during compression while preventing backflow when the piston retracts or the unloader mechanism cycles, helping the unit build and maintain pressure more reliably. This CV222201AJ/SJ check valve fits models that use the CV222201AJ or CV222201SJ configuration and is sold as a direct replacement to restore proper flow control and sealing in the air-path assembly. When installing, ensure correct orientation with the flow direction and verify compatibility with your unit’s fittings and hose connections to avoid leaks and performance loss.