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Your cart is empty.The Whale Electric Field Sensor Switch automatically activates and shuts off bilge pumps when water reaches specific levels. Its worry-free, precise operation ensures proper bilge pumping. This switch automatically activates the bilge pump when 2 inches of water is sensed, and it turns the pump off when the water level drops below ½ inch. Two color-coded wires make installation easy, and there are two test circles that can be used to ensure activation. This unit offers side or base mounting to suit the available space configuration. This switch can operate with 12V or 24V power, and it is suitable for up to 20 amps. Whale designs and manufactures reliable marine water systems which are easy to install and use; providing boating enthusiasts with water, waste management and durable bilge pumps. For over 70 years, Whale has delivered innovative, high quality products that ensure peace of mind and allow you to enjoy your adventures on the water.
Jörg Engeling
Reviewed in Germany on March 26, 2025
Das Ding ist eine wahre Freude! Als berührungsloser Niveauschalter funktioniert es in jeder Situation, Dreck kann ihm nichts anhaben.
Paropauly
Reviewed in Australia on January 25, 2025
Awesome service from Amazon and product was exactly what i needed
Pedro
Reviewed in the United States on July 9, 2024
I bought this switch for my boat's bilge pump.The on and off levels are both closer and lower than a regular floating switch, but it is OK.The switch lasted few months only and now it will start the pump but never stop it unless I turn bilge pump off manualy.My other pump is using a cheaper floating switch (orange brand one) and is working for a year without problem.I won't buy it again
Ron G
Reviewed in the United States on May 16, 2024
This switch replaced a 15 year old switch. This new switch worked correctly for about 5 times. It turns the pump on but does not turn the pump off once the catch basin is pumped out. And now it appears there’s no support or replacement. Won’t do business with this seller anymore
Nick Muro
Reviewed in the United States on November 23, 2024
Direct drop in replacement
Avery Boyer
Reviewed in the United States on November 18, 2024
Tried these despite not having luck with them in the past, because they were the only thing that would fit in the bilge of my Morgan 364. Lasted about four months and then crapped out. There was obvious corrosion where the wires went into the switch. Don't buy these, it'll just encourage them to keep making this crap instead of engineering a field switch that actually is durable. It's not just Whale either, I worked for a company that installed water witch switches and they were just as bad.
Cindy C
Reviewed in the United States on October 2, 2024
The item seem to work fine, but then it failed after less than two weeks. I had to re-order another one hoping this one doesn’t fail as well.
Mark M.
Reviewed in the United States on April 23, 2024
Product works Great 👍🏻 !!
rmerritt
Reviewed in the United States on April 1, 2024
Pumps a lot of water for its size and water level sensors work perfectly.
bjv1111
Reviewed in the United States on July 26, 2023
I am happy with this purchase. So far, the contactless switch has been more reliable than big brand bilge switches that depend on a micro switch lever for turning on and off my bilge pump. My problem with micro switched float levers is they don’t always turn off after the water levels drop. The Whale senses when water is present at the level of where you place the Whale. It works, no moving pieces to worry about. You still need to keep the bilge clean but no longer have to worry about a switch stuck in the on position, draining my battery.
Perfect 10/10
Reviewed in Belgium on November 20, 2023
Het juiste product om mijn 18 V dompelpomp van Kärcher automatisch te laten functioneren.Eenvoudig aan te sluiten en werkt feilloos.Snelle en adequate levering.Al bij al een prima investering.
Kristian Angelov
Reviewed in Canada on April 17, 2023
When the housing gets dirty it gets wet also the pump is ON till the motor burns. I do not recommend electronic sensor switches any more...
Viktor Nechaev
Reviewed in the United Arab Emirates on October 2, 2021
Good afternoon, I paid for 10 pieces and only 9 came! Why?
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