The valve core is a critical component in any faucet, responsible for regulating water flow and mixing hot and cold streams. A Copper Faucet Valve Core(https://www.brassvalvecore.com/product/copper-valve-core/copper-faucet-valve-core/), prized for its durability and corrosion resistance, is commonly used in both residential and commercial faucets. However, users and installers often wonder whether this type of valve core can be reliably used with faucet bodies made from materials other than copper, such as stainless steel, brass, or plastic.