MOEN M-PACT COMMON FAUCET VALVE SYSTEM: Update the faucet style in the future without replacing any plumbing CONNECTION SIZE: 1/2" (0.5 inches) TEMPERATURE CONTROL: Installs with positemp pressure balancing control valve to maintain water temperature control CARTRIDGE TYPE: 1222 CONNECTION TYPE: Crimp ring PEX NUMBER OF PORTS: The water valve has 3 ports TRUSTED PERFORMANCE: Moen's shower valve is backed by a Limited Lifetime Warranty