Valve Rebuild Kit, Product Type Valve Repair Kit, Includes Compression Spring, Core Assembly M-6, Holder Assembly, Insert, O-Rings, Piston Assembly and Cup, Retaining Cap, Retaining Clip, SBSA M-6, Screw Mach RH, U-Rings, Compatible with Manufacturer Model Number EF8321G002DC24/DCD, Compatible with Brand Emerson, Standards UL Listed, Valve Type Control Valves