Sharkbite?S Female Elbows Are Fnpt On One End And Push-To-Connect On The Opposite End. These Fittings Allow The User To Make A 90-Degree Connection To Copper, Pex, Cpvc Or Pe-Rt Pipes. This Fitting Is Designed For Potable Water And Radiant Heating Applications With No Access Panels Required. It Is Rated Up To 200 Degree Fahrenheit And 200 Psi.