Consumer Note: It is recommended for the installation to be performed by a qualified person or licensed contractor, plumber, or gas-fitter technician. Use pipe thread sealant between all connectors for proper seal and leak test all connections prior to use as a safety measure. These products contain lead and are not allowed by Federal Law to be installed for potable water use in the U.S.A. and its territories. WARNING: Furthermore, these products contain a chemical known to the State of California to cause cancer, birth defects or other reproductive harm.