Rugged and reliable the Flotect®L4 Level switch operates auto-matically to indicate tank level. Perfect for starting or stopping pumps,opening or closing valves, or actuate level alarm signals. A unique mag-netically actuated switching design gives superior performance. Thereare no bellows, springs, or seals to fail. Instead, the free-swinging floatattracts a magnet within the solid metal switch body, actuating a snapswitch by means of a simple lever arm. Float arm hinge design limitsthe arm angle to prevent vertical hangup.