RULE AUTO 800 12v Bilge pump RWB809 series 55 Does NOT include fastenings

Does NOT include fastenings

A switchable ratchet in the base allows the cleat arm to remain in its most recently used position

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Suits a Variety of Safety Rail and Stanchion Configurations

RULE AUTO 800 12v Bilge pump RWB809 series 55 Does NOT include fasteningsHow the Automatic Sensing pumps work The S series Automatic sensing RULE bilge pumps work on the principle of impeller resistance. They DON'T need a float switch they are fully Automatic sensing pumps. The pump turns on every 2 1 2 minutes for about 1 secondto sense for water. If water is present, the pump will sense resistance at the impeller and continue to run until the water is removed. After that, it will resume checking for water every 2 1 2