The Cash Acme NCLX-5L 3/4" Auto Reseating Water Heater Pressure Relief Valve is a high-quality brass valve designed for home improvement projects. This unit is specially crafted in the United States by the reputable brand Cash Acme, ensuring durability and compatibility with other Cash Acme products. With a 3/4 inch diameter and a 1.1-2 inch interior diameter, this pressure relief valve is a reliable choice for your plumbing needs. The set includes the necessary relief valve, making it a convenient and efficient solution for your home and garden.