Johnson Pump Ultima Switch Auto Control w/Mirus [36303] Marine Hardware | Ski Tows The calibration box transmits the

The calibration box transmits the rudder’s position to the meter

Fluke Length - 24" (610mm)

Clear polycarbonate cover snaps on to meet Coast Guard and ABYC insulation requirements

Double pole used as 120 volt AC main circuit breaker to switch hot to neutral

Base-load stainless steel whip

Johnson Pump Ultima Switch Auto Control w/Mirus [36303] Marine Hardware | Ski Tows The calibration box transmits theUltima Switch New digital technology uses the Mirus field effect detector cells producing micro electrical fields that detect disruptions caused by water and fluids. Detector cells are totally sealed, are never in contact with the water, will not corrode and are not affected by oil or foreign debris. ULTIMA activates at a 50 mm (2") fluid level and deactivates at a 20 mm (3 4") fluid level. A 3 second delay prevents false starts. ULTIMA switch is