0888823 (Watts) | 6 Inch | 774/774/DCDA Second Check Repair KitThis Check Kit Includes The Parts Necessary to Repair or Replace The Second Check Module of a 6 Inch Double Check Valve Assembly, Series 774 or Double Check Detector Assembly, Series 774DCDA. This Kit Consists of All Parts Necessary to Repair The Check of The Applicable Valve Assembly. All Parts Are Genuine And Original to The Valve. Watts 0888823