Rule 500GPH Electronic Sensing Bilge Pump - 24V SNHORN3 Features heavy duty forward hinge

Features heavy duty forward hinge system allowing shock absorption to occur in the vertical plane only

Plastic construction

close the seacock and remove the quick-release plug

For MerCruiser sterndrive and inboard engines with Gen III fuel cooler systems

Compare the available Blue Sea configurations by exact manufacturer part number and the distinguishing option shown below

Rule 500GPH Electronic Sensing Bilge Pump - 24V SNHORN3 Features heavy duty forward hinge500GPH Electronic Sensing Bilge Pump 24V In the next generation sensing bilge pumps, the 500GPH 24V S series pump works on the principle of impeller resistance. The pump will turn on every 2 1 2 minutes for about one second to sense for water. If water is present, the pump will sense resistance and continue to run until all water is removed. After that, it will resume checking for water every 2 1 2 minutes. Water is kept in check between 1 8" and 3