Rule 500GPH Electronic Sensing Bilge Pump - 12V [25SA] Entertainment | Satellite TV Antennas Integral relief valve for over-pressure

Integral relief valve for over-pressure protection

The head assembly incorporates a brass bearing washer to provide smooth 360™ rotation of the post and shackle

A low profile white ABS Cover

UPC: 096811075504

Designed as the next legendary pump

Rule 500GPH Electronic Sensing Bilge Pump - 12V [25SA] Entertainment | Satellite TV Antennas Integral relief valve for over-pressure500GPH 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"!!!