SwitchUltima (Bilge) 20 Amp 12 Volt

Activates at a 50mm fluid level and deactivates at a 20 mm (3/4″) fluid level. No moving parts, totally sealed solid state electronics and field detectors. Mercury free, rated to handle all Johnson Pump submersible pumps. Up to 20 Amps at 12 or 24 Volts