Sprinkler Rotors Sprinkler rotors (Rotary Sprinklers) operate by rotating a stream of water over the landscape instead of the mist produced by spray head sprinklers. This allows rotors to be placed farther distances than spray head sprinklers. Rotors are designed to rotate in full or partial circles and generally do not perform with a throw radius of less than 15 feet. Browse our full line for super savings on Spray heads and Rotors.