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Aquarium Supplies
Home » Saltwater Aquarium Supplies  » Dosing Pumps & Top-Off  » Electric Powered  » Plug-In Units  »  Ultralife Float Switch
Ultralife Float Switch

Ultralife Float Switch

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MSRP: $99.99
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Ultralife Float Switch Information

Product Manuals & Documentation

This float switch will operate for high water or low water applications. This can be achieved by simply removing the retaining ring and turning the barrel float upside down. This switch can handle multiple pumps with a combined amperage draw of up to 10 amps. Each switch comes with a 6ft grounded cord and suction cup mounting for the switch. This float switch can save you from burning out that expensive pump or can be used for water top off.


  • 1" x 6" (plus cord)
  • 6 foot grounded power cord

What's in the Box

  • float switch w/ reversible float and 3 ft connection
  • 4.5` grounded power cord
  • 4.5` female power cord
  • manual.

Manufacturer Info

Ultralife Reef Products is a manufacturer and distributor of equipment and supplies for freshwater, saltwater and reef aquariums. Many of their products, you will recognize from advertisements in national magazines and on the shelves in your local pet shop. However, they are constantly upgrading and developing new products to meet the needs of the aquarium industry.


Manufacturer`s Waranty: 1 year from date of purchase.

Ultralife Float Switch Reviews

Average Rating
(24 reviews)
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of 3

love it

Reviewers Rating Excellent!

Posted: 9/30/2011 from WEST POINT, MS UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: this high quality switch was very easy to install and works extreamly well. I had been using another brand that was continusly giving me problems and this switch has fixed all my issues.Thank you Ultralife for simplifying my life.

1 of 1 People found this review helpful, did you? Yes No

Ultralife Float Switch

Reviewers Rating Excellent!

Posted: 6/5/2011 from RIVERSIDE, CA UNITED STATES
4.5 5
Experience Level: Intermediate

Comments: Bought one and was impressed with it that I bought another. I used this in conjunction with a TOM's Aqualifter on a timer and it hasn't failed me yet in the past 4 years. Water level was always where I left it. Only thing needing improvement will be the suction cup, but I think any suction cup exposed to saltwater will be brittle in a couple of months. What I did was just to bend the wires around my aquarium trimming to 'hang' it in place and that worked fine for me. I'm sure there are other DIY or float switches that are less and can measure low water/high water at the same time, but for this float, it does what it says at a fairly reasonable price.

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Does not work for me

Reviewers Rating Average

Posted: 10/7/2010
3.0 5
Experience Level: Intermediate

Comments: I wanted to use this switch as an emergency shut off for my circulation pump and prevent it from running dry. To achieve this I would have to put the float switch very low in my sump. The problem is, that this float switch can NOT be completely submerged. The end where the cables come out is, according to the sparsely written instructions, NOT water proof. The problem is that it would be completely submerged when I have a power outage so it is not an option. I also don't like the suction cup at all. This is clearly not usful for an emergency switch. I'm considering buying the "Tunze Water Level Alarm 7607/2" which would accomplish the same functionality in an much more elegant way. And I absolutely love my new Tunze Osmolator which I just bought. The quality and craftmanship is like day and night compared to this switch. Other then that, this switch might suit your needs just fine. Just didn't work for me.

3 of 5 People found this review helpful, did you? Yes No

Easy to use

Reviewers Rating Great

Posted: 3/30/2010 from PLYMOUTH, IN UNITED STATES
4.0 5
Experience Level: Intermediate

Comments: Im using this to shut the pump off if the u tube fails. Tested and works great. I had to make a different type of tank mount. to allow the float to be higher in the tank. If you use it to fill your tank you'll be fine otherwise if you use it to shut off be prepaired to fabricate.

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great product

Reviewers Rating Excellent!

Posted: 5/11/2009 from VIRGINIA BEACH, VA UNITED STAT
5.0 5
Experience Level: Intermediate

Comments: simple and effective. works exactly like its suppose to. thanks marine depot for exellent service and fast shipping.

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Works Excellent!!!

Reviewers Rating Excellent!

Posted: 5/2/2009 from GURABO, PUERTO RICO
5.0 5
Experience Level: Intermediate

Comments: I used several methods of trying to prevent accidental overflow in my 120 gallon salt water tank. Any accident that prevents with this product. I have tested this and it works great. I would recommend this switch as any overflow system prevention.

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ultralife float switch

Reviewers Rating Excellent!

Posted: 2/13/2009 from DALLAS, TX UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: Just set up my Ultralife float switch with my Aqua Lifter pump. This is the perfect combo for maintaining your water level. With my reef tank the, SG is maintained perfectly....a care free set-up. I highly recommend this combo!!!

2 of 2 People found this review helpful, did you? Yes No

Float Switch=Great

Reviewers Rating Excellent!

5.0 5
Experience Level: Intermediate

Comments: Luckily I was in the room when my overflow box pump failed and the tank started to overflow. That night I ordered the Ultralife Float Switch. It could not have been easier to install, works flawlessly, worth every penny!!! True peace of mind.

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Float Switch used for ATO

Reviewers Rating Excellent!

Posted: 8/11/2008 from CA UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: I bought the float switch to automatically top off water lost due to evaporation. So far the switch works exactly how I hoped it would.

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Ultralife Float Switch

Reviewers Rating Excellent!

Posted: 5/29/2008 from CLINTON, TN UNITED STATES
5.0 5
Experience Level: Intermediate

Comments: After searching for years to replace a gadget I found years ago to keep my washing machine discharge from overflowing my adjacent antique utility sink, I finally found the ultralife float switch on an internet search. It works like a charm and now I don't have to babysit my washing machine or mop up the water when I missed the discharge cycle. Thanks!

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of 3
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