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.

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

Hang these free-floating switches in your tank for liquid-level monitoring that doesn't require installation through a tank wall.

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

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

For visual monitoring and easy access, these switches are housed in a clear acrylic reservoir that mounts to the outside of your tank.

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

Install these switches through a tank wall.

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

Designed for use in areas where flammable substances are present, these switches are CSA certified for hazardous locations.

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