H-543-A-SD 3/4" Screwdriver Control Stop Repair Kit for Sloan Flushometers (H-540 and H-600 Back Check Screwdriver Control Stops), Replacement for Part 3308856

Ensure the reliability of your commercial restroom fixtures with the H-543-A-SD 3/4" Screwdriver Control Stop Repair Kit. This high-quality repair kit is the designated solution for maintaining 3/4-inch back check screwdriver stops. Instead of replacing the entire valve assembly, this kit allows you to replace only the internal wear parts, saving time and maintenance costs while restoring original performance. Engineered for Precision & Versatility: The H-543-A-SD kit is precision-engineered for 3/4" control stops used in flush valves for Sloan, including the widely used for Royal and for Regal models. It is fully compatible with H-540, H-600, and H-730-A 3/4" series stop assemblies. Key Benefits: Stop the Leak: Eliminates water waste caused by worn-out stop components. Industrial Grade: Designed for durability in schools, hospitals, offices, and other commercial environments. Specifications: Replacement Part Number: Replace 3308856, H-543-A, H-543-A-SD Size: 3/4 Inch Compatibility: For 3/4” H-540, H-600, and H-730-A Series Stops Type: Screwdriver Control Stop Repair Kit Application: Urinal Flushometers with a 3/4" supply connection((Note: Typically used for urinals)

• COMPATIBILITY & PRECISION FIT — Specifically engineered for Sloan Flushometers, this H-543-A (3/4") repair kit is the designated professional replacement for Sloan Part #3308856. It provides a seamless, leak-proof fit for H-540, H-600, and H-730-A series 3/4" back check screwdriver control stops, restoring original factory performance.
• STOP LEAKS & CONSTANT RUNNING — Don't let a dripping valve hike up your water bill. Our kit features a high-density rubber bumper and a high-tension spring that work in tandem to eliminate water seepage, ghost flushing, and backflow issues. Restore your flush valve’s peak performance and airtight shut-off instantly.
• COMPLETE REBUILD KIT — Get all essential components for a comprehensive valve overhaul in one package. Includes: (1) 3/4" Control Stop Plug, (1) Heavy-Duty Spring, and (1) Adjustment Stem Assembly. Replacing these synchronized components together guarantees a long-lasting, reliable seal for years to come.
• COMMERCIAL-GRADE DURABILITY — Built for the most demanding environments, our H-543-A-SD assembly is crafted from high-strength, corrosion-resistant materials. Engineered to withstand extreme water pressure and high-frequency use in commercial restrooms, schools, hospitals, and high-traffic facilities.
• EFFORTLESS INSTALLATION — Minimize facility downtime with a simple maintenance design. Whether you are a professional plumber or a facility manager, you can complete a professional-grade rebuild in minutes using just a standard screwdriver. No specialized equipment required for a hassle-free, "like-new" valve restoration.
• 100% SATISFACTION GUARANTEE — Professional & Sincere Service allows you to make a purchase at our store without any risks. All products can be returned for a fu-ll refund within 30 days if you are not satisfied with this shopping experience. 12-Month warranty for quality-related issues.