Johnson Pump Ultima Automatic Float Switch “Electronic”, Part No. 36303 Description Fully Submersible Bilge Pump Switch

Switch has two “Mirus” detector cells: one that actuates the pump when water reaches 2″ and a second that turns the pump off when water reaches 1/2″. No moving parts and no mercury. Works with 12V and 24V systems and is a simple two-wire design. Has 30″, 16-ga., tin-coated leads and handles all pumps up to 20-Amp draw. Do not attach directly to metal surfaces.