Features push-fit fittings that allow for instant push-fit connection for increased ease-of-use - no soldering required Fittings are certified to 200 PSI and 200 degrees F (93 degrees C.) Fits OD controlled copper, CPVC, or PEX pipe Includes disconnecting clip that disassembles quickly in case of installation error Contains an integral tube support liner that is effective in supporting PEX tubing to ensure secure, reliable connection Compact, robust DZR brass body No loose components, integrated design Design certified to IGC 188 Listed by IAPMO and are certified for potable and hydronic heating water distribution Certified for underground applications and as a manufactured joint without access panels Meets UPC, IPC, and cUPC regulations Low lead