705.16.1 Copper or copper-alloy tubing to cast-iron hub pipe.
PC § 705.16.1
Joints between copper or copper- alloy tubing and cast-iron hub pipe shall be made with a brass ferrule or compression joint. The copper or copper-alloy tubing shall be soldered to the ferrule in an approved manner, and the ferrule shall be joined to the cast-iron hub by a caulked joint or a mechanical compression joint.













