The Cold Stem for American Standard Aqua Seal & Heritage is a lead-free replacement part designed for optimal performance in plumbing systems. This stem features a durable construction that ensures longevity and reliability in cold water applications. It comes with a locknut for secure installation, making it easy to replace without professional assistance. The design is compatible with various Aqua Seal and Heritage models, ensuring a perfect fit. This cold stem meets all relevant industry standards, providing peace of mind for both homeowners and plumbing professionals.