Johnson Pump Ultima Switch Auto Control w/Mirus 
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 rated to handle all Johnson Pump submersible pumps pumps up to 20 amps at 12 or 24 volts.
- No moving parts
- Totally sealed solid state electronics and field detectors
- No mercury
- No exposed sensors eliminate corrosion possibilities
- Unique 3-way switch disables piezo alarm while keeping warning LED lit
- Environmentally sensitive
- Volts: 12v
- Type: Switches
- Box Dimensions: 3"H x 6"W x 9"L WT: 0.3 lbs
- UPC: 729321363037
Owner's Manual (pdf)
Greg Pardus, General Manager for SPX FLOW's Johnson Pump brand, discusses our various float switches for bilge pumps on Ship Shape TV. Learn more about Johnson Pump offerings at http://www.spxflow.com/johnson-pump-marine.
SPX FLOW's Joh...Greg Pardus, General Manager for SPX FLOW's Johnson Pump brand...
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