This Thermostatic Valve with 3-Way Diverter/Volume Control with Shut Off is made from premium materials, this item offers great function and value for your home. This fixture is part of Jaclo's decorative collection, so make sure to check out other styles of fixtures to accessorize your room. Solid brass construction Thermostatic valve with Built-in diverter/shut off for easier installation and clean appearance Top valve is a three way diverter consists of inlet for water &three outlets Bottom valve is a Thermostatic mixing valve that maintains a constant water temperature automatically, regardless of incoming hot & cold water pressure & temperature Set valve to desired temperature & no need to adjust further Anti-scald protection Diverter: 1/2" NPT male ports Thermostatic: 3/4" NPT female ports 12 GPM flow @ 60 PSI Works well with low water pressure CALGreen compliant cUPC listed