MOEN M-PACT COMMON FAUCET VALVE SYSTEM: Update the faucet style in the future without replacing any plumbing CONNECTION SIZE: 1/2' (0.5 inch) IPS connections NUMBER OF PORTS: The water valve has 4 ports PLASTER GROUND INCLUDED: The water valve includes plaster ground for effortless flush-to-wall installation and meets ASSE performance requirements TEMPERATURE CONTROL: The positemp valve helps maintain water temperature TRUSTED PERFORMANCE: Moen's shower valve is backed by a Limited Lifetime Warranty