Description
The Watts 0794102 is a genuine OEM second check repair kit designed specifically for the Watts 909 series 4″ lead-free reduced pressure zone (RPZ) backflow preventer. Keeping your backflow preventer in peak operating condition is essential for maintaining potable water system integrity and meeting local code compliance requirements. This repair kit provides all the components needed to service the second check valve assembly, restoring proper seating and sealing performance without the cost of full assembly replacement.
Key Features
- Genuine Watts OEM replacement repair kit for the 909 series backflow preventer
- Designed for 4″ lead-free (LdFre) 909 model assemblies
- Restores second check valve function and sealing integrity
- Supports compliance with local backflow prevention testing and maintenance requirements
- Lead-free construction meets safe drinking water standards
- Simplifies field service — reduces downtime and total repair cost
Application
This repair kit is intended for use on Watts 909 4″ lead-free reduced pressure zone backflow preventers installed in commercial, industrial, and municipal water supply systems. It is ideal for licensed backflow prevention testers and plumbing contractors performing routine maintenance or responding to failed annual test results.
Why Choose Genuine Watts Repair Parts?
Using genuine Watts OEM repair components ensures proper fit, function, and long-term reliability. Aftermarket substitutes may not meet the precise tolerances required for RPZ assemblies, potentially compromising backflow protection and voiding certifications. Trust Watts 0794102 to deliver the performance your system demands.









