If the primary float fails, the backup float kicks in and an alarm sounds to indicate float malfunction.

Since these switches activate on increasing pressure caused by rising water levels, they have no floats to catch on sump pit walls.

Empty and fill your tank with a single device—this dual-level switch includes two float switches that actuate at different levels. Mount through a threaded connection at the top of your tank.

Install these switches into an unthreaded hole at the top or bottom of your tank and secure with a nut from inside the tank.

Install these switches into a threaded connection in your tank wall from outside the tank.

Use the included bracket to mount these switches to the inside of your tank.

Mount these switches from outside the tank through a threaded connection.

Mount these switches through an unthreaded hole in your tank wall and secure with a nut from outside the tank.

For use in locations with flammable gases and combustible dust, this switch is UL listed and CSA certified for Class I, Divisions 1 and 2, Groups C and D; and Class II, Divisions 1 and 2, Groups E, F, and G.

Mount this switch through the top of your tank.

Mount these switches from outside the tank through a threaded connection at the top or bottom of your tank.

Use the included bracket to mount these switches to the inside of your tank.

Install these switches into a threaded connection in your tank wall from outside the tank.

Mount these switches into a threaded connection at the top or bottom of your tank.