Designed to simplify pipe installation Instant push-fit connection for increased ease-of-use- no soldering required Fittings certified to 200 PSI and 200 degrees F (93 degrees C) Fits OD controlled copper, CPVC, or PEX pipe Compact, corrosion resistant, robust DZR brass body Design certified to ANSI/NSF-61 product standard for use in potable water systems 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 and they meet UPC, IPC, and cUPC requirements.