This American Standard Flush Valve is designed for models #3 and #4, identified by part number 47107-007. It features a robust construction that ensures reliable flushing performance and longevity. The valve is engineered to fit seamlessly into your toilet system, providing a perfect seal to prevent leaks. Its innovative design meets industry standards for efficiency and reliability, making it an essential component for maintaining optimal toilet function. Easy to install, this flush valve is ideal for both repairs and upgrades.