Features & Benefits Turn pump on when water level reaches 2″ (51mm)-SFBS-20-01 Turn pump off when water level reaches 3/4″ (19mm)-SFBS-20-01 Ideal flow sensor for bilge pumps Heavy duty flow switch is designed for the toughest applications Typical Applications Marine, RV and Cambers, Industrial New mercury free float switch. Suitable for use with 12v DC […]