Plastic Diverter Valve

diverter valve
Hydraulic valve that permits a change in the direction of flow of a fluid (23).
A blowoff valve is a pressure release system present in turbocharged engines. Its purpose is to prevent compressor surge, and reduce wear on the turbocharger and engine.
A device that changes the direction of water flow from one faucet to another.

plastic
fictile: capable of being molded or modeled (especially of earth or clay or other soft material); "plastic substances such as wax or clay"
Credit cards or other types of plastic card that can be used as money
A synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be molded into shape while soft and then set into a rigid or slightly elastic form
generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives
capable of being influenced or formed; "the plastic minds of children"; "a pliant nature"