These pumps are silent running and vibrationless

buzzer or engine cut-off when oil or air pressure drops or exceeds safe levels

75 inches

Jabsco 37010-0000 Series

Mounting stem is 1-1/4" long by 3/8"-24 thread

Groco - Bilge Pump Automatic Control Kit, Part No. AS-100 - Volts All Scanstrut These pumps are silent runningNo float to stick or not float. Has a molded neoprene air bell with 3' flexible excelon air tube which makes installation easier. Is compatible with any model or voltage bilge pump. When properly installed the switch is controlled by air pressure in the tube created by the rising bilge level. Switch cuts pump on at about 2 3 4" of bilge and off at about 1" of bilge. If possible, mount air bell 6 12" from pump so switch is not affected by suction of