Rule PWC 500 GPH Automatic Pump [25SA-6WC] Marine Plumbing & Ventilation | Accessories and washdown pumps protected from

and washdown pumps protected from harmful debris

rotation force and electrically load tested

ECU 10 - Reactor™ 40

Perimeter-lighted black dial with stylish blue and white graphics

Originally engineered for military application

Rule PWC 500 GPH Automatic Pump [25SA-6WC] Marine Plumbing & Ventilation | Accessories and washdown pumps protected fromPWC 500 GPH Automatic Pump In the next generation sensing bilge pumps, the 500 GPH 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". Improved design