Check the listing for details. Water Source Spring Loaded Brass Check Valve 1-1/2" 200psi CV150NL. Condition: New. Listed at 29.98 USD. This Water Source check valve is made of high-quality brass and rated for 200 psi water, gas, or oil applications. Its spring-loaded design ensures quick and reliable closure, preventing backflow and protecting your pipes and equipment. Measuring 1-1/2 inches in diameter, this valve is suitable for a variety of plumbing and industrial applications. With its durable construction and reliable performance, this check valve is an excellent choice for anyone looking to ensure the smooth and efficient flow of fluids. Whether you're working with water, gas, or oil, this valve will help keep your system running smoothly and safely. So why wait? Order your Water Source check valve today and enjoy peace of mind knowing that your plumbing and industrial systems are protected.