Rule 500GPH Electronic Sensing Bilge Pump - 12V [25SA] Entertainment | Satellite TV Antennas 18 and 20 feet

18 and 20 feet

Drag Max:  25

This broadband transducer is designed to allow both traditional and Spread Spectrum scanning when used with a compatible sonar like the GSD 26

Fundamental frequency: 360 +/- 20Hz

(6) 3X Dividers

Rule 500GPH Electronic Sensing Bilge Pump - 12V [25SA] Entertainment | Satellite TV Antennas 18 and 20 feet500GPH 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"!!!