Valve Rebuild Kit, Product Type Valve Repair Kit, Includes Body Gasket, Core, Diaphragm/Spring Sub-Assembly, Disc Holder Spring, Plug Nut Gasket, Pug Nut Assembly, Solenoid Base Gasket, Compatible with Manufacturer Model Number 8220G409, Compatible with Grainger Part Number 4NWZ8, 6WTV9, 6WTW0, Compatible with Brand Emerson, Standards CSA, UL Listed, Valve Type Hot Water and Steam Valves