A shower control valve deals with the flow and temperature of the water in your shower. There are two basic sorts of shower control valves. One valve has a single flow and temperature control handle; alternate has at least two handles to control temperature and flow. Single-control Handle Valves A shower control valve with the single control has each a handle or switch that is turned, flipped, or pushed to start the flow of water to the shower head. Most valves are set apart with images for hot and cold water, enabling you to alter the temperature of the water effortlessly. Moving the handle further toward the hot water image expands the water temperature. To diminish the temperature, you move the handle towards the cold water image. To support the hot/cold mixing of the water, there are two water lines associated with the valve. Inside the valve itself, there is a sleeve with a possibility. Further turning the handle adjusts the gap over the hot water ad