Albin Pump Marine 01-66-025 12-24-30V Bilge Float SwitchBilge Float Switch - 12/24/30V. The 12/24/30V bilge float switch activates your bilgepump automatically when water exceeds the acceptable level and deactivate when water has been removed. For a fully automatic removal of your bilge water connect a switch to your electrical bilge pump. Safe rem..