A sprayer assembly that includes a reservoir for storing liquid, a pump in fluid communication with the reservoir, first and second supply tubes in fluid communication with the pump wherein the pump is configured to draw liquid from the reservoir and discharge the liquid into the first and second supply tubes, a first nozzle in fluid communication with the first supply tube, a second nozzle in fluid communication with the second supply tube, and a collar having at least one protrusion and rotatable between a first position in which the at least one protrusion pinches closed the first supply tube but not the second supply tube, and a second position in which the at least one protrusion pinches closed the second supply tube but not the first supply tube.