Johnson Ultima Automatic Bilge Pump Float Switch #189-36303

• Patented Mirus field effect detector cells detect disruptions caused by water and fluids, and are not affected by oil or foreign debris. No moving parts, totally sealed solid state electronics and field detectors. No mercury and no exposed sensors eliminate corrosion possibilities.
• No moving parts, no mercury and no exposed sensors.
• Activates at a 2' fluid level and deactivates at a 3/4' fluid level.
• An eight second delay prevents false starts.
• Ultima switch is rated to handle pumps up to 20amps at 12 or 24 volts.