Moen 2580 Posi-Temp Brass Pressure Balancing Shower Valve, 1/2-Inch Crimp Ring PEX Connection;

The Moen Posi-Temp Pressure Balancing Shower Valve delivers generous water flow. It is built on the easy-to-install Moen M-PACT common valve system that allows you to make style updates any time without replacing plumbing and is equipped with Posi-Temp technology that helps maintain water. The four-port, cycle valve also provides an adjustable temperature limit stop to control maximum hot water temperature, while the 1222 cartridge accommodates back-to-back installations. This valve meets ASSE performance requirements and is backed by Moen's Limited Lifetime against leaks, drips, and finish defects. From the Manufacturer Changing the look of your bathroom has never been faster and easier. The M-PACT Common Valve System allows you to upgrade the trim style or swap out finishes on your fixtures without replacing the valves. So once the system is in place, you can change your decor as often as you want at any point in time -- during construction process or years down the road. All it takes is a few minutes. Best of all, the M-PACT Common Valve System is as easy to install as a standard valve.