Rule 500GPH Electronic Sensing Bilge Pump - 12V [25SA] Brand_Robline CVS-126 Dual Frequency Color LCD

CVS-126 Dual Frequency Color LCD Echo Sounder

5-1/2" Diameter

Constructed of cold drawn high polished anodized aluminum

Part #: 66319R7

Rule 500GPH Electronic Sensing Bilge Pump - 12V [25SA] Brand_Robline CVS-126 Dual Frequency Color LCD500GPH Electronic Sensing Bilge Pump 12V In the next generation sensing bilge pumps, the 500GPH 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 8"!!!