Published on Jan 25, 2013. Associate Tricia highlights Glacier Bay’s Tub & Shower Faucet with integral stops, which means you can turn off the water supply line at the source directly and can keep the other supply lines open.Click to see full answer. Then, what are valve stops?Simply a stop valve is any sort of valve type that completely stops the flow of liquid flow through a pipe. Stop valves is mainly used in plumbing or industrial applications to shut off the flow of (hot or cold) water to a plumbing fixture, such as an icemaker, toilet, faucet, dishwasher etc.Likewise, where is the shut off valve for shower? This supply valve is usually near the bottom left side of the toilet tank. For showers/tubs, look around the tub or shower for an access panel. It may be on the other side of the wall from the tub or shower. Beside this, what are shower valve service stops? You will sometimes see a Shower rough in Valve with Stops referred to as having screwdriver stops or integral stops. They also can be called Shower Valves with Shut off Stops. All of these terms are basically interchangeable. They reference shut-off devices built into the shower valve.What are service stops on a rough in valve?Service stops means the valve body has screw-driver shut-off stop cocks, so you can turn off the water right there to service the main valve. Indispensible in apartments or hotels.