(1)
Solder-joint fittings for drainage systems shall conform to
(a)
ASME B16.23, “Cast Copper Alloy Solder Joint Drainage Fittings: DWV,” or
(b)
ASME B16.29, “Wrought Copper and Wrought Copper Alloy Solder Joint Drainage Fittings – DWV.”
(2)
Solder-joint fittings for drainage systems shall not be used in a water system.