Watts Water Technologies 881326 Rubber Parts Kit

Description:

The Watts 881326 Kit No. 709 (12 BFP-RK) Rubber Parts Kit is a backflow preventer repair kit designed to restore the sealing and operational performance of Watts Series 709 Double Check Valve Assemblies used in potable water protection systems. Commonly installed in commercial plumbing systems, fire protection service lines, irrigation networks, water distribution systems, industrial facilities, and municipal water infrastructure utilizing Series 709 backflow preventers. Maintenance technicians, plumbing contractors, facility operators, and system integrators use this kit for preventive maintenance, backflow assembly repairs, compliance testing corrections, and replacement of worn rubber components. The kit includes critical sealing components such as a disc assembly, seat O-ring, and cover O-ring for restoring valve performance.

Applications:

The Watts 709 Rubber Parts Kit is widely used in commercial buildings, municipal water systems, industrial plants, schools, hospitals, apartment complexes, irrigation systems, fire protection installations, manufacturing facilities, water treatment plants, and institutional plumbing networks. The replacement components help maintain proper backflow prevention performance by restoring worn sealing surfaces and check valve functionality, reducing leakage and helping ensure compliance with local plumbing and cross-connection control requirements. It is commonly specified during annual backflow testing, preventive maintenance programs, valve rebuilds, and repair projects where reliable protection of potable water supplies is essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 881326
• Brand: Watts
• Kit Number: 709 / 12 BFP-RK
• Product Type: Backflow Preventer Rubber Parts Repair Kit
• Compatible Series: Watts 709 Double Check Valve Assembly
• Application: Backflow Preventer Maintenance and Repair
• Kit Type: Complete Rubber Parts Kit
• Compatible Equipment: Series 709 Double Check Valve Assemblies
• Function: Restore Check Valve Sealing Performance
• Contents: Disc Assembly
• Contents: Seat O-Ring
• Contents: Cover O-Ring
• Service Media: Potable Water
• Installation: Field Serviceable
• Maintenance Type: Preventive and Corrective Repair
• Application Environment: Commercial, Industrial, Municipal, and Institutional Water Systems
• Function: Backflow Prevention System Restoration
• OEM Replacement Part: Yes
• Special Tools Required: No

Common Replacements:

• Watts RK 709 RT Complete Rubber Parts Kit
• Watts RK 709 CK4 Check Valve Repair Kit
• Watts RK709 S4 Seat Repair Kit