Sharkbite Brass Crimp Polybutylene Adapter 3/8 in.

Transition from polybutylene to PEX pipe. Includes two color-coordinated crimp rings – the black crimp ring is for PEX pipe, while the copper-colored crimp ring is for polybutylene pipe. Certified for use in potable water and hydronic heating systems.Compatible with PEX and polybutylene pipe.Includes two color-coordinated crimp rings – black crimp ring for PEX pipe and a copper-colored crimp ring for polybutylene pipe.Made from lead-free DZR Brass.Minimum working temperature 33°F at 160 psi. Maximum working temperature 200°F at 80 psi.Certified for potable and radiant heating applications.