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This vacuum switch works with all self-priming impeller pumps, and should be used in bilge pumping or tank emptying applications to prevent the pump from running dry.
The vacuum switch automatically shuts the pump off when the bilge or tank is dry.
With the switch fitted, you can start the pump by remote push button, or manually, by depressing the lever on the switch.
The vacuum switch should be fitted on the suction side of the pump.
Note that this switch is NOT ignition protected, and should not be installed in engine rooms for gasoline engines, spaces containing gasoline tanks or lines, pump systems handling gasoline or other flammable liquids, pumps with AC motors, spaces containing LPG cylinders, valves, fittings, etc.
• For automatic pump shut-off operation
• Prevent impeller damage from running when dry
• Works with all self-priming impeller pumps with the proper threaded connection
• ISO 9001 certified
• CE marked