Repair Kit Fits Brand Zurn Zurn Wilkins For Use With Grainger Item Number 22N574 For Use With Mfr Model Number 112-600XL Includes Bolt Diaphragm Disc Diaphragms Friction Ring Lf Cap Washers Nuts O Rings Screen Seat Washer Springs spring Disc Stems Union Gasket Washer 600 Series Lead Free Pressure Reducing Valves Size 1 1/2 in 1 1/2 FNPT Union x FNPT Thread Size Inlet (In.) 1 1/2 in Material of Construction Bronze Rubber Stainless Steel For Use With Mfr No 112-600XL