Rule's non-automatic cartridge series bilge pumps offer traditional operation activated by a float or panel switch. The fully automatic bilge pumps feature computerized operation on the principle of impeller resistance and do not require float switches. |
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| Rule's non-automatic cartridge series bilge pumps offer traditional operation activated by a float or panel switch. Removal of the motor cartridge allows for easy cleaning of the strainer and impeller if clogged with debris. |
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| Rule 12 volt DC automatic computerized bilge pumps do not require float switches. They turn on to check for water every 2-1/2 minutes. If present, it will continue to run until all the water is removed. Power use in the checking mode is minimal. |