The Campbell Hausfeld CW213300AV is a four-port pressure switch with a 90-degree unloader designed for Campbell Hausfeld air compressors. The unit includes the pressure switch cover and an unloader valve, enabling integrated shutdown relief within a compact mounting footprint. It is rated for 100 psi cut-in and 135 psi cut-out (135/100 psi), which aligns with common CW213300AV configurations for reliable cycling. Its 90-degree discharge and four-port design support versatile routing in standard shop compressors.
