Z-124B is a Champion unloader valve kit designed for R30A, R30B, R40A, R70A pumps and RE-14 assemblies. As a replacement kit, it supplies the precise unloader valve hardware for Champion R-series compressors, enabling proper air unloading when the unit stops to reduce startup load. Verified compatibility includes Champion R30A, R30B, R40A, and R70A pump configurations and the RE-14 pump family, ensuring a correct fit within these models.
