Rule 500GPH Electronic Sensing Bilge Pump - 12V [25SA] Marine Plumbing & Ventilation | Engine Cooling Pumps The ingeniously designed rope/chain gypsy

The ingeniously designed rope/chain gypsy (chainwheel) is able to accommodate a wide range of chain pitch differences within the specified chain size diameters suitable for use with the RC8 Series

UPC: 671880628518

Box Dimensions: 4"H x 7"W x 8"L WT: 3

Low amp draw means long battery life

UPC: 619749202677

Rule 500GPH Electronic Sensing Bilge Pump - 12V [25SA] Marine Plumbing & Ventilation | Engine Cooling Pumps The ingeniously designed rope/chain gypsy500GPH 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"!!!