Boshart’s Control Switch is used for the activation of alarms and controls in environments with temperatures up to 140° F. This product can be used for a variety of applications, including but not limited to: septic tanks, sump pits, holding tanks, pump chambers, water tanks, and any other liquid tanks. The control switches are mechanically operated using a microswitch and are activated by the ball inside the float housing. For use as high level (normally open/empty tank) or low level (normally closed/fill tank) configuration with multiple types of float attachments for mounting and various cable lengths. Available only in 120/240VAC bare lead models.