The Check-Stop Replacement Kit is specifically designed for Speakman models SV-4012, SV-4128, SV-4016, and SV-4116. This essential kit ensures proper water flow control and prevents backflow, maintaining the integrity of your plumbing system. Constructed from high-quality materials, it offers durability and reliability for long-term use. The kit includes all necessary components for easy installation, making it ideal for both residential and commercial applications. This replacement kit meets industry standards, ensuring compatibility and optimal performance in various plumbing setups.