77 Ill. Adm. Code 890.160
Used Plumbing Material, Equipment, Fixtures
Section 890
Section 890.160 Used
Plumbing Material, Equipment, Fixtures
a) Previously used plumbing material, equipment and/or fixtures
may be re-used for plumbing installations only if it complies with this Part at
the time of the new installation.
b) Used pipe or fittings shall not be installed in a potable
water system.