Watts RK-909-S RPZ Backflow Preventer Seat Repair Kit

The Watts RK 909 S 6 Spare Parts Kit is a genuine OEM seat repair kit for servicing 6-inch Watts 909 and LF909 RPZ backflow preventers, designed to replace worn valve seat components and restore sealing performance. It is used during preventive maintenance and repair of commercial, industrial, municipal, and potable water systems, including installations in commercial buildings, industrial facilities, municipal water systems, irrigation networks, hospitals, schools, and fire protection systems. Manufacturer Part Number RK 909 S 6 / LFRK 909-S 6; Ordering Code 0794108; Brand Watts; Product Type Backflow Preventer Seat Repair Kit; Compatible Series Watts 909 and LF909; Compatible Valve Size 6 in.; Kit Contents Seat, Seat O-ring, Cover O-ring, Retainer Wires, Lubricant; Function Replaces valve seat components and restores sealing performance; Service Media Potable Water; Installation Internal repair of existing RPZ backflow preventer; Lead-Free Yes; OEM Replacement Part Yes; No Special Tools Required Yes; Application Maintenance of 6-inch RPZ backflow prevention assemblies. Common Replacements: Watts LFRK 909-CK1 6 First Check Repair Kit; Watts LFRK 909-CK2 6 Second Check Repair Kit; Watts LFRK 909-RT 6 Total Rubber Parts Kit.