The VSR is the FIRST AND ONLY waterflow switch with separate low and high voltage wiring chambers to allow safer installation of different voltage applications. The retard and switch assembly is designed to allow for easy replacement while in the field, and the updated retard dial provides better accuracy while setting the switch.The design of the VSR eliminates the possibility of any type of corrosion concerning dissimilar metals or MIC. Synchronized snap action switches provide a visual indication of activation.With all these great features, the VSR is the perfect switch for any application!