Watts Regulator 0887126 AK RPZ Backflow Preventer Repair Kit

The Watts Regulator RK 909 VT 3/4"-1" Repair Kit (Part No. 0887126 AK) is a genuine OEM relief valve repair kit designed to service Watts 909 and LF909 RPZ backflow preventers for 3/4 in. and 1 in. valve sizes. It includes the major components required to restore relief valve operation, including the relief valve assembly, seat, seat O-ring, cover O-ring, and lubricant, and is intended for internal repair of the existing backflow preventer with no special tools required. This Total Relief Valve Repair Kit, an OEM replacement part, is compatible with Watts 909 and LF909 RPZ backflow preventers and uses potable water as service media, making it suitable for commercial, industrial, irrigation, and fire protection applications. Replacing worn relief valve components helps restore proper valve performance, maintain backflow protection, and support compliance with plumbing and cross-connection control requirements in facilities such as schools, hospitals, municipal water systems, and other large-scale systems.