Simplify your plumbing projects with the SharkBite brass crimp sweat adapter. Made from lead-free DZR brass, this plumbing adapter is corrosion free and is perfect for making a transition from PEX to copper tubing using copper crimp rings or stainless steel clamps. SharkBite brass fittings feature a minimum working temperature of 33 degrees F at 160 PSI and a maximum working temperature of 200 degrees F at 80 PSI. These crimp sweat connectors are certified for use in potable water and hydronic heating system applications.