The T&S 007842-45 Dual Check Valve Backflow Preventer is a critical component for any commercial kitchen or restaurant, designed to stop water backflow and prevent contamination in your faucet system. With a 1/2" NPT female inlet and outlet, this backflow preventer is easy to install and plug directly into your sink's piping, making it a convenient and effective solution for maintaining water safety. Ideal for professional kitchens, this valve ensures compliance with health regulations while protecting your water supply from potential contamination. Its compact design (1 11/16" diameter x 4 7/16" height) and durable construction make it a space-efficient and long-lasting choice for restaurants, cafes, and food service establishments. With a 1-year limited warranty against defects, you can trust this product to deliver reliable performance without compromising on quality.