Approved Vendors - DWV Cleanout Adapter, 1-1/2 x 1 in, Fitting x Cleanout, Copper

Approved Vendors - Female Adapter, 3 in, C x FNPT, Copper

Approved Vendors - Female Adapter, 4 in, C x FNPT, Copper

Approved Vendors - Male Adapter, 4 in, C x MNPT, Copper

Lasco - Cd 3/8Fe Comp X 1/4Comp Adpt

WATTS® - Dielectric Union, 1/2 in, C x FNPT

WATTS® - Dielectric Union, 1 in, C x FNPT

Sharkbite® - Adapter, 1-1/4 in, Push x FNPT, Brass

WATTS® - Dielectric Union, 3/4 in, C x FNPT