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Rule SuperSwitch Float Switch, Moisture Tight Seals, 12, 24 or 32 Volt

4.5 4.5 out of 5 stars 353 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Boat Bilge Pumps by Rule

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Float Switch

Purchase options and add-ons

Switch Type
Float Switch
Material
Canvas
Mounting Type
Surface Mount
Specification Met
One

About this item

  • Rule-A-Matic Float Switch 37A
  • Removable base for easy cleaning and servicing
  • Mercury-free snap switch tested to over one million cycles and marine-grade blocked wire
  • Designed for pumps drawing up to 14 amps at 12 volt DC

Frequently bought together

$55.99
Get it Mar 29 - Apr 2
Only 7 left in stock - order soon.
Ships from and sold by Huge Time Sales.
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$140.75
Ships from and sold by Amazon.com.
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$96.98
Ships from and sold by Amazon.com.
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Product Description

The non-mercury SuperSwitch is designed for the toughest applications. Design includes marine-grade, 14 gauge blocked wire, a larger float for increased buoyancy, removable base for easy servicing and a snap switch design capable of handling pumps drawing up to 20 amps at 12 volt DC.

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Rule SuperSwitch Float Switch, Moisture Tight Seals, 12, 24 or 32 Volt


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
353 global ratings

Customers say

Customers like the quality, ease of installation, and value of the electronic switch. For example, they mention it works great, the wiring was easy, and the setup was simple. That said, some appreciate the excellent price.

AI-generated from the text of customer reviews

55 customers mention39 positive16 negative

Customers like the quality of the electronic switch. They say it works great, is simple to install, and is a solid performer. Some say that it turns on exactly as needed and has not given them any trouble. Overall, most are satisfied with the quality and performance of the product.

"...It turns on exactly as needed, although it took some adjusting of the mounting height so that it would turn *off* at the right time, otherwise while..." Read more

"...fails any time soon I will change my opinion but it seems to be a solid performer." Read more

"...EVERY single non-Rule switch I installed on my boat has failed within 7 months of installation. Lesson learned...." Read more

"...The switch has not given me any trouble, but it is on my big backup pump and doesn't touch water unless the small lower pump fails to pump fast..." Read more

11 customers mention11 positive0 negative

Customers find the installation of the electronic switch to be easy. They mention that the mounting holes fit, the wiring was easy, and the setup was simple.

"...Wiring was easy, with the new pumps and in dash switch (also reviewed). Now I have one pump wired to turn on automatically, or both manually...." Read more

"Update: switch failed after 3 yearsEasy installation and the mounting holes fit my old ones...." Read more

"...Installed this in my boat the day it arrived. Installation went easily, although the hole pattern for the screws was different than the switch I was..." Read more

"Switch seems to be of great quality. Hookup was simple. It's activation and deactivation is very definitive and it works very well...." Read more

9 customers mention7 positive2 negative

Customers like the value of the electronic switch. They mention it's an excellent price on a necessary item.

"...It was cheaper than any local shop and with PRIME delivery it was super fast. Amazon does it again!!" Read more

"...Came ahead of scheduled delivery and packaged well. Best price on the internet. Would highly recommend." Read more

"Just what we needed, good price" Read more

"...Over priced, not reliable." Read more

5 customers mention0 positive5 negative

Customers are dissatisfied with the pump. They mention that it doesn't drop when it should, and it ultimately burns out the pump, causing it to fail. Some say that the pump sticks open and runs all the time.

"...The boat was in the water and the bilge pump failed - noticed high water level in the bilge after a few days of rain...." Read more

"...Float switch doesn't drop when it should and ultimately burns out pump. 4 float switches and four pumps in 2 years" Read more

"...All of mine died in less than four months. My oldest ones lasted almost 20 years those are the ones that had mercury in it...." Read more

"...I've gone through two of these, first one failed on and burned up my pump, 2nd one failed off and cause shower sump to flood into boat...." Read more

False advertising
3 Stars
False advertising
I paid about $20 more because it was advertised as made in USA. It was made in Vietnam. I can no longer find where it’s made in the sales literature, so at least the inaccurate info has been removed.
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Top reviews from the United States

Reviewed in the United States on June 26, 2011
Style: Float SwitchVerified Purchase
5 people found this helpful
Report
Reviewed in the United States on March 7, 2024
Style: Float SwitchVerified Purchase
Reviewed in the United States on August 11, 2013
Style: Float SwitchVerified Purchase
One person found this helpful
Report
Reviewed in the United States on March 22, 2015
Style: Float SwitchVerified Purchase
4 people found this helpful
Report
Reviewed in the United States on July 27, 2017
Style: Float SwitchVerified Purchase
Reviewed in the United States on January 15, 2011
Style: Float SwitchVerified Purchase
3 people found this helpful
Report
Reviewed in the United States on October 24, 2023
Style: Float SwitchVerified Purchase
Customer image
3.0 out of 5 stars False advertising
Reviewed in the United States on October 24, 2023
I paid about $20 more because it was advertised as made in USA. It was made in Vietnam. I can no longer find where it’s made in the sales literature, so at least the inaccurate info has been removed.
Images in this review
Customer image
Customer image
Reviewed in the United States on November 15, 2017
Style: Float SwitchVerified Purchase

Top reviews from other countries

Dave Brettell
5.0 out of 5 stars Great, Quality Float Switch
Reviewed in Canada on January 9, 2024
Style: Float SwitchVerified Purchase
Adam
5.0 out of 5 stars Not Cheap, But Works Great
Reviewed in Canada on November 10, 2023
Style: Float SwitchVerified Purchase
Golden Dawn John
1.0 out of 5 stars Failed after three months
Reviewed in Canada on September 18, 2020
Style: Float SwitchVerified Purchase
Tim
1.0 out of 5 stars completely unreliable
Reviewed in Canada on December 10, 2018
Style: Float SwitchVerified Purchase
One person found this helpful
Report