The SharkBite® Push-Fitting™ system from Cash Acme lets plumbers quickly join copper, CPVC or PEX fittings in any combination. Available in 1/2", 3/4" and now 1" fittings, the system also handles ball, check and regulator valves-letting the plumber rough-in an entire project with no soldering, clamps, unions or glue, even if different pipe materials are used. Push a SharkBite fitting onto a standard pipe or tube, and the stainless steel teeth clamp down, while a special o-ring creates a perfect seal. SharkBite is certified to 200 psi and 200°F (82°C), and for potable water and hydronic applications. Cash Acme. Circle 5.