Valve Rebuild Kit For Use With Grainger Item Number 24W640 3UM21 3UM22 4ELC6 For Use With Mfr Model Number 8320G202 120/60 110/50 8320G202 120/60 110/50 EF 8320G202 120/60 110/50 EF 8320G202 120/60 110/50 Includes Core Spring and Assembly Diaphragm Spring and Assembly and Body Gasket Solenoid Base Sub-Assembly