0888830 (Watts) | 2-1/2 - 4 Inch | 994/994RPDA First Check Repair KitThis Check Assembly Kit Includes The Parts Necessary to Repair or Replace The First Check of a 2 1 2 to 4 Inch Reduced Pressure Zone Assembly, Series 994 or Reduced Pressure Detector Assembly, Series 994RPDA. This Kit Consists of All Parts Necessary to Repair The First Check Assembly of The Applicable Valve. All Parts Are Genuine And Original to The Valve. Watts 0888830