DPO for all your Price Pfister Rough Valves About Price Pfister Rough Valves FAQ's Do I need a rough valve? If you are installing a faucet in a shower or tub or for a deck mounted roman tub, then yes you need a rough valve. What is a rough valve? A rough valve is the actual working part of the faucet that is installed behind the wall or under the deck of your tub or shower. The trim is the plate, handle, and showerheads. |