Watts 888833 Second Check Valve Repair Kit 2.5-4 in

Product Description

The WATTS 888833 is a second check valve repair kit designed for reduced-pressure backflow preventer assemblies in commercial and residential plumbing systems. This kit supplies the internal check valve components needed to restore proper backflow prevention function to failing or worn assemblies sized 2.5 to 4 inches. Licensed plumbers and backflow prevention specialists use this kit during scheduled testing, field repairs, and annual maintenance service to keep assemblies performing within code requirements.

This repair kit is intended for use with WATTS 994, 994RPDA, 4000SS, and 5000SS backflow preventer assemblies in the 2.5 to 4 inch size range. Typical applications include commercial buildings, irrigation systems, fire suppression supply lines, and industrial water service where reduced-pressure zone backflow prevention is required by local plumbing codes.

Key Features

• Designed for second check valve replacement in 2.5 to 4 inch backflow preventer assemblies
• Compatible with WATTS 994, 994RPDA, 4000SS, and 5000SS assemblies
• Supports field repair without full assembly replacement
• Weighs 3 pounds for manageable on-site handling
• Helps restore backflow preventer performance to testing and code standards

Compatibility

Designed for use with WATTS 994, 994RPDA, 4000SS, and 5000SS backflow preventer assemblies in the 2.5 to 4 inch size range.

Installation Notes

Installation should be performed by a licensed plumber or certified backflow preventer tester in accordance with local plumbing codes and the applicable WATTS service instructions. Shut off the water supply and relieve system pressure completely before disassembling the backflow preventer. After reinstallation, the assembly must be tested by a certified tester to verify proper check valve seating and differential pressure relief operation before returning the system to service.

Technical Specifications

• Compatible Assembly Size: 2.5 to 4 inches
• Weight: 3 pounds

Standard Information

• Brand: WATTS
• Manufacturer Part Number: 888833