Watts Water Technologies RK-909-CK1-10 Repair Kit

Description:

The Watts RK-909-CK1-10 Repair Kit (SKU: 0887215) is a genuine OEM first check valve repair kit designed for servicing 10-inch Watts 909 and LF909 Reduced Pressure Zone (RPZ) backflow preventer assemblies. The kit includes the first check disc and spring assembly required to restore proper first check valve operation, helping maintain reliable backflow protection and extend the service life of the assembly. It is intended for preventive maintenance and repair in commercial, industrial, municipal, and potable water systems.

Applications:

The Watts RK-909-CK1-10 repair kit is widely used by plumbers, maintenance technicians, water utilities, and facility managers to service 10-inch Watts 909 and LF909 RPZ backflow preventers installed in commercial buildings, industrial plants, municipal water systems, irrigation networks, hospitals, schools, and fire protection systems. Replacing worn first check components helps restore proper valve performance, prevent reverse flow, and maintain compliance with plumbing and cross-connection control requirements.

Technical Specifications:

• Manufacturer Part Number (MPN): RK-909-CK1-10
• SKU / Ordering Code: 0887215
• Brand: Watts
• Product Type: First Check Valve Repair Kit
• Compatible Models: Watts 909 and LF909 RPZ Backflow Preventers
• Compatible Valve Size: 10 in.
• Kit Type: First Check Repair Kit
• Primary Components: First Check Disc and Spring Assembly
• Service Media: Potable Water
• Function: Restores First Check Valve Performance
• Installation: Internal repair of existing RPZ backflow preventer
• OEM Replacement Part: Yes
• Application: Reduced Pressure Zone (RPZ) Backflow Preventer Maintenance
• Suitable For: Commercial, Industrial, Municipal, and Irrigation Water Systems

Common Replacements:

• Watts RK-909-CK2-10 Second Check Repair Kit
• Watts RK-909-VT-10 Relief Valve Repair Kit
• Watts RK-909-T-10 Total Repair Kit