A.
Materials.
(1)
Service piping.
(a)
Household service lines between the curb valve and dwelling unit or building may be of Type K seamless copper tubing or high-density polyethylene (HDPE) tubing as outlined in §§ 160-33 through 160-35 of this chapter. Type K seamless copper tubing is required between the corporation stop and curb valve. The minimum acceptable service size shall be one inch. Larger sizes may be required as outlined in § 160-5C of this chapter.