Rule Mate GPH Fully Automated Bilge Pump - 12V

Rule Mate GPH Fully Automated Bilge Pump - 12V. The pump activated when the water reaches 2-1/2" and automatically shuts off when the pump senses no water against the impeller reducing the remaining water to approximately 5/8". Rule-Mate Intelligence Rule-Mate Bilge pumps have built-in programming that can sense when the pump is running but not pumping water. This is a very unique feature to bilge pumps because it protects the pump and the vessel especially the vessels batteries. If debris foul