GoVets offers Check Valves and Backflow Preventers in the Plumbing category to help customers complete their projects. Foot Valves are a type of check valve used to maintain a liquid or gas flow in one direction. They are typically used in water systems to prevent backflow and to maintain a steady flow of water. Foot Valves are designed to open and close quickly, allowing for a smooth flow of liquid or gas. Shop Today to find the right Check Valves and Backflow Preventers for your project.