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Product Details

Rule-A-Matic Float Switches

Completely sealed metal capsules enhance flawless operation and is environmentally responsible. Rule-A-Matic switches are by far the most popular choice among professionals worldwide, and the Rule-A-Matic the best selling float switch in the world. Available with or without fuse. Use Rule 35 switches to automatically activate bilge pumps drawing up to 14 amps. From Rule Industries.

Reviews for Rule 35 Rule-A-Matic Float Switches

5 of 5 Reviews

June 8, 2013

A Float Switch that Floats?
By Tam Lin from NY

I have used several of these over the years. Can somebody PLEASE invent a float switch that FLOATS! put a penny's worth of foam in it. They always end up leaking and filling with water, which means your boat also fills with water. They also have a tendency to stick. Despite all of this, I have not found a suitable replacement. Buy two and use one as a back up. I guess I will reluctantly recommend it as I am about to order another!

Bottom Line Yes, I would recommend to a friend

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August 29, 2012

Unreliable Float Switch
By Jim from Porsmouth NH

The Rule 35 bilge float switch failed after only 6 months, and it failed in the ON position, draining my boat's battery and burning up my new bilge pump (once the water level dropped and the pump never cooled down).

Bottom Line No, I would not recommend to a friend

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May 9, 2012

This switch works
By Richard from Panama City, FL

Works great when it works. Meaning that I purchased two (one spare) and one did not work. To much trouble to return it however the one that worked really works. I replaced an older Rule switch that sustained considerable abuse and was not something that one would wish to rely. Easy to install. Just follow the directions.

Bottom Line Yes, I would recommend to a friend

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August 18, 2011

A great value
By mcdee from Kingsland GA

Easily installed.

Bottom Line Yes, I would recommend to a friend

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April 16, 2010

Time will tell
By Salty Dawg from Labelle, FL

This is the new style mercury-free switch. I have always liked the reliability and simplicity of mercury switches. The new style click switch works fine when new. Time will tell if it is as good as the old mercury switch. The new style is a little larger, so consider this if clearance is an issue. This switch fits in my shower sump with 1/8" clearance, but it is working.

Bottom Line Yes, I would recommend to a friend

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