Diverters are often used in plumbing to redirect the flow of water. Synonyms for this word can include "valve," "switch," "controller," "redirector," and "regulator." Each of these synonyms can be used to describe a device that helps to control the flow of water in a plumbing system. A valve is typically used to regulate water flow, while a switch or controller can be used to turn the water on or off. A redirector is a device that diverts water to a specific location, while a regulator can be used to adjust the flow rate of water in a plumbing system. All of these synonyms can be useful in helping to control water flow in a plumbing system.