The Johnson 36303 Ultima Automatic Bilge Pump Switch uses the patented Mirus field effect detector cells, producing micro-electrical fields that detect disruptions caused by water and fluids. Detector cells are totally sealed and are never in contact with the water, will not corrode 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 and makes the Ultima switch environmentally sensitive.
The Johnson 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. The 36303 Ultima switch is rated to handle pumps up to 20 amps at 12 or 24 volts.
Totally sealed electronics
No moving parts
Not effected by oils or debris
Completely corrosion proof
''Mirus'' field effect technology
Activates at 2'' fluid level
De-activates at 3/4'' fluid level
No mercury
No false starts
20 Amp maximum
12/24 volt
Ignition Protected
Meets and exceeds NMMA, ABYC, USCG, ISO 8846 and EMC 55014 requirements
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and item. *
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On Back Order
at Our Vendors
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to ship from our Egg Harbor Twp, NJ warehouse immediately. The last known quantity available is provided
to the left of LOW QTY. Item will usually ship the same business day if ordered by 2:00 pm ET, except
the Economy method may be delayed, weekends excluded. *
LOW
QTYat Our Vendor(s)
- The item is available with a low quantity from our supplier’s warehouses
and may ship directly from them or first get shipped to our facility. The last known quantity available
is provided to the left of LOW QTY. Please refer to the "Usually ships in X" details on the 2nd line of
the above status, which are unique by brand and item. *
Contact Info- This is a special case item. Please contact first by
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of our suppliers until a product is ordered. We occasionally DO NOT have available particular items that
indicate IN-STOCK availability. Our inventory status indicators are updated in near real-time, but are
based on the last known availability of specific items. If an item you order is unavailable we will
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*FREE Economy Shipping. No Code Necessary! Lower 48 States Only. Some Exclusions will Apply, such as Oversized Items.
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