Jabsco, Hydro Air, Bilge Pump Switch, 59400 Series. Automatically operates a bilge pump once water level reaches 2-1/4" (55mm). As water rises in the bilge, air pressure in the bell and tube increases, operating.
Air operated, no submerged electrics, safe and reliable
Ignition protected (to ISO 8846 Marine)
Proven highly reliable design
Styling compliments modern interiors
Automatic operation of bilge pumps or audible, visual high water level alarms
Turns on at 2-3/16", off at 1"
Diaphragm switch can be mounted up to 10 ft. above plastic airbell
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