The Fluidmaster 5103 screw and snap seat disc is engineered for professional plumbing maintenance and repair of American Standard actuator-style flush valves. Designed to restore factory-level performance, this replacement seat disc provides a precise fit and reliable seal for consistent flush operation. Constructed from high-quality red rubber, it resists wear, distortion, and chemical degradation, ensuring long-term service life in both residential and commercial applications.
Details
- Model: 5103
- Manufacturer: Fluidmaster
- Product Type: Replacement Seat Disc
- Compatibility: For use with American Standard Actuator Flush Valves
- Material: Rubber
- Color: Red
- Height: 6-3/4 inches
- Width: 4-3/4 inches
- Depth: 1-3/8 inches
- Attachment Type: Screw-and-snap mount
- Design Features: Precision-molded sealing surface for uniform contact and leak prevention
- Application: Repair and maintenance of American Standard flush valve assemblies in commercial and residential toilets
- Part Number: 181149
Summary
The Fluidmaster 5103 seat disc provides plumbing professionals with a high-quality replacement component for American Standard actuator flush valves. Constructed from durable red rubber and featuring a screw-and-snap design for quick installation, it delivers a secure seal and dependable performance in demanding plumbing environments.








