These hydrostatically tested, galvanized steel nipples are rated for a maximum of 214 psi at 400°F and are designed for residential potable drinking water applications, with galvanizing done via hot dip process according to ASTM A153. Certified to NSF 61 and compliant with the lead-free law, they offer durable construction, but always check local plumbing and gas codes before starting any piping projects, as they are not for underground use.
