Rule 1100GPH Electronic Sensing Bilge Pump - 12V [27SA] Marine Navigation & Instruments UM725 Fixed Mount Marine VHF

UM725 Fixed Mount Marine VHF Radio with GPS - White

Shaft Seal: Nitrile Rubber

Effects - Color

Swivel Base Flush Mount Rod Holder

Rule 1100GPH Electronic Sensing Bilge Pump - 12V [27SA] Marine Navigation & Instruments UM725 Fixed Mount Marine VHF1100GPH Electronic Sensing Bilge Pump 12V In the next generation sensing bilge pumps, the 1100GPH 12V 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