---
product_id: 54791544
title: "Rule 35A A-Matic Bilge Pump Float Switch, Mercury,White"
brand: "rule"
price: "$U6183"
currency: UYU
in_stock: true
reviews_count: 12
category: "Rule"
url: https://www.desertcart.uy/products/54791544-rule-35a-a-matic-bilge-pump-float-switch-mercury-white
store_origin: UY
region: Uruguay
---

# 12V DC power for seamless integration Automatic float switch activation Corrosion-resistant marine-grade durability Rule 35A A-Matic Bilge Pump Float Switch, Mercury,White

**Brand:** rule
**Price:** $U6183
**Availability:** ✅ In Stock

## Summary

> 🌊 Stay dry, stay worry-free with Rule 35A – your boat’s silent guardian!

## Quick Answers

- **What is this?** Rule 35A A-Matic Bilge Pump Float Switch, Mercury,White by rule
- **How much does it cost?** $U6183 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/54791544-rule-35a-a-matic-bilge-pump-float-switch-mercury-white)

## Best For

- rule enthusiasts

## Why This Product

- Trusted rule brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug-and-Play Installation:** Removable base and simple wiring make setup and maintenance a breeze.
- • **Built to Brave the Elements:** Marine-grade, mercury-free construction ensures long-lasting corrosion resistance.
- • **Trusted by Thousands of Boaters:** 4.6-star rating from over 1,500 reviews—join the satisfied community.
- • **Effortless Automatic Water Control:** Activates your bilge pump precisely when water rises—no manual checks needed.
- • **Reliable Performance, Anytime, Anywhere:** Dependable operation whether docked or navigating open waters.

## Overview

The Rule 35A A-Matic Bilge Pump Float Switch is a mercury-free, corrosion-resistant automatic switch designed for 12V DC bilge pumps. It features a removable base for easy installation and maintenance, ensuring reliable activation of your bilge pump to protect your vessel from water accumulation. Highly rated by over 1,500 users, it’s engineered for dependable performance in all marine conditions.

## Description

Shop Rule 35A A-Matic Bilge Pump Float Switch, Mercury,White. Free delivery and returns on all eligible orders.

Review: Five Stars - good and effective
Review: I bought several from other store before, but there were always some points that disappointed me. but this time, I am very satisfied with this product. - So far so good. So far this has worked great for us Super fast shipping! That is what you have been looking for Good value for price I like this so much,I now have two

## Features

- Reliable Automatic Bilge Control: The Rule 35A Marine Rule-A-Matic Switch ensures automatic activation of your bilge pump when water levels rise, preventing manual checks and safeguarding your vessel against unexpected water accumulation.
- Durable, Marine-Grade Construction: Built to withstand harsh marine environments, this bilge pump switch is mercury free and features corrosion-resistant components, including a robust housing and high-quality wiring, ensuring long-lasting performance.
- Easy Installation and Hassle-Free Use: Designed for straightforward setup, the Rule-A-Matic switch features a removeable base that integrates seamlessly into your boat's bilge system and is easy to clean or service. With simple wiring and clear instructions, installation is quick and convenient.
- Dependable Performance in Every Condition: Engineered for reliability, this float switch activates your bilge pump precisely when needed, ensuring smooth operation whether you’re at the dock or on open water.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000O8DA3M |
| Batteries Required? | No |
| Batteries included? | No |
| Colour | One |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,585) |
| Date First Available | 15 May 2011 |
| Included Components | Rule 35A Rule-A-Matic Float Switch - 12-24 VDC |
| Item Package Quantity | 1 |
| Item Weight | 113 g |
| Item model number | 35 |
| Manufacturer | Rule |
| Material | Plastic |
| Part Number | RM500B |
| Power Source | Corded Electric |
| Product Dimensions | 8.89 x 12.7 x 20.96 cm; 113.4 g |
| Size | One |
| Special Features | Not_Performance_Used |
| Style | Bilge Pumps Switches |
| Switch style | Float Switch |
| Voltage | 12 Volts (DC) |

## Product Details

- **Brand:** Rule
- **Colour:** One
- **Global Trade Identification Number:** 00042237095435
- **Item weight:** 113 g
- **Manufacturer:** Rule
- **Material:** Plastic
- **Power source:** Corded Electric
- **Product dimensions:** 8.9L x 12.7W x 21H centimetres
- **Style:** Bilge Pumps Switches
- **Voltage:** 12 Volts (DC)

## Images

![Rule 35A A-Matic Bilge Pump Float Switch, Mercury,White - Image 1](https://m.media-amazon.com/images/I/41fUsHCz1QL.jpg)
![Rule 35A A-Matic Bilge Pump Float Switch, Mercury,White - Image 2](https://m.media-amazon.com/images/I/41y+CzQhifL.jpg)
![Rule 35A A-Matic Bilge Pump Float Switch, Mercury,White - Image 3](https://m.media-amazon.com/images/I/51jbMRg4y0L.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Five Stars
*by K***W on 10 December 2014*

good and effective

### ⭐⭐⭐⭐⭐ I bought several from other store before, but there were always some points that disappointed me. but this time, I am very satisfied with this product.
*by J***Y on 29 August 2017*

So far so good. So far this has worked great for us Super fast shipping! That is what you have been looking for Good value for price I like this so much,I now have two

### ⭐⭐⭐⭐ Its good
*by C***E on 9 December 2012*

Although a bit light in weight it does the job well, I attached a magnet to the bottom of it to keep it attached to my steel hull of my narrow boat.., It works well no problems

## Frequently Bought Together

- Rule 35A Marine Rule-A-Matic Switch (Mercury Free)
- Rule High-Performance 1500GPH, 12 Volt Water Pump for Boats - Bilge Pump with Pressure Switch, Submersible Pump, and Float Switch - Ideal for Marine Accessories, Boating supplies, and Bilge Pumps
- Rule 2000 GPH Bilge Pump 12V - Submersible Marine Boat Accessory with 1-1/8" Discharge, Anti-Airlock, Reliable Ignition Protection, Silent Operation, Easy-Clean Strainer - Rust/Corrosion Resistant

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**Shop now:** [https://www.desertcart.uy/products/54791544-rule-35a-a-matic-bilge-pump-float-switch-mercury-white](https://www.desertcart.uy/products/54791544-rule-35a-a-matic-bilge-pump-float-switch-mercury-white)

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-03-16*