Reliable Backflow Prevention: This 1/2 inch brass check valve is designed to prevent reverse flow in water systems, protecting plumbing fixtures, pumps, and heating systems from damage caused by backpressure or contamination. Durable Brass Construction: Made from high-quality solid brass, this valve offers corrosion resistance, thermal stability, and long service life, making it ideal for residential, commercial, and industrial use in demanding environments. Standard 1/2" NPT Female Thread: Equipped with precise 1/2 inch NPT female threads, it ensures a secure and leak-proof connection. Compatible with most plumbing, boiler, and water heating systems for seamless integration. Reinforced Internal Float Design: Features a reinforced internal float that enhances flow control and increases reliability under varying pressure conditions. Ideal for horizontal or vertical installations with upward flow direction. Wide Range of Applications: Perfect for use in water boilers, heating systems, irrigation setups, air compressors, and industrial piping. Helps maintain system efficiency and safety by automatically blocking backflow. Brass One Way Check Valve 1/2 inch