---
product_id: 230942055
title: "35A Rule-A-Matic Bilge Pump Float Switch, Mercury Free,White | Mercury Free, Durable, Reliable, and Easy to Install"
brand: "rule"
price: "COP 529466"
currency: COP
in_stock: true
category: "Rule"
url: https://www.desertcart.co/products/230942055-35a-rule-a-matic-bilge-pump-float-switch-mercury-free
store_origin: CO
region: Colombia
---

# 12-24 VDC power compatibility Ultra-lightweight at just 13 grams Mercury-free, corrosion-resistant marine-grade plastic 35A Rule-A-Matic Bilge Pump Float Switch, Mercury Free,White | Mercury Free, Durable, Reliable, and Easy to Install

**Brand:** rule
**Price:** COP 529466
**Availability:** ✅ In Stock

## Summary

> 🌊 Stay afloat effortlessly with Rule 35A — your boat’s silent guardian!

## Quick Answers

- **What is this?** 35A Rule-A-Matic Bilge Pump Float Switch, Mercury Free,White | Mercury Free, Durable, Reliable, and Easy to Install by rule
- **How much does it cost?** COP 529466 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/230942055-35a-rule-a-matic-bilge-pump-float-switch-mercury-free)

## 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

- • **Mercury-Free Safety:** Eco-conscious design eliminates toxic mercury, protecting you and the environment.
- • **Trusted by Mariners:** A proven, top-rated float switch with 4.7 stars from over 1,600 users.
- • **Automatic Water Defense:** Hands-free bilge pump activation keeps your boat dry and flood-free.
- • **Effortless Installation:** Plug-and-play setup means no hassle, just reliable performance from day one.
- • **Marine-Grade Durability:** Built to withstand harsh saltwater and freshwater environments without corrosion.

## Overview

The Rule 35A Rule-A-Matic Bilge Pump Float Switch is a lightweight, mercury-free, marine-grade automatic switch designed to activate bilge pumps at 12-24 VDC. Resistant to corrosion and easy to install, it ensures reliable water management for both saltwater and freshwater vessels, backed by a 2-year warranty and trusted by thousands of boaters worldwide.

## Description

Ensure your boat stays dry and protected with the Rule 35A Marine Rule-A-Matic Switch, a trusted solution for automatic bilge pump activation. Designed for seamless operation, this float switch automatically engages your bilge pump when water levels rise, providing hands-free water management and reducing the risk of flooding. Built with marine-grade materials, the mercury free Rule 35A is resistant to corrosion and harsh conditions, ensuring long-term durability and reliable performance in saltwater and freshwater environments. Its easy installation process makes it a practical choice for boat owners looking for a dependable, no-fuss solution to bilge water control. Whether you're a casual boater or a seasoned mariner, the Rule 35A Automatic Bilge Pump Switch offers peace of mind by keeping your bilge dry and your vessel safe. Pair it with a compatible 12V bilge pump for effortless water management on every journey.

## Features

- Best Quality
- Branded Original Product

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000O8DA3M |
| ASIN  | B000O8DA3M |
| Best Sellers Rank | #119,113 in Pet Supplies ( See Top 100 in Pet Supplies ) #159 in Water Pump Accessories (Pet Supplies) |
| Brand Name | Rule |
| Colour | White |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,639) |
| Date First Available  | 6 August 2012 |
| Department  | Boats, Motors, Solenoid, Boat Motors, Boat Seats, Buoys, Chain, Rope, Power, Winch |
| Generic Name  | Rule 35A Rule-A-Matic Float Switch - 12-24 VDC |
| Global Trade Identification Number | 00042237095435 |
| Included Components | Rule 35A Rule-A-Matic Float Switch - 12-24 VDC |
| Included Components  | Rule 35A Rule-A-Matic Float Switch - 12-24 VDC |
| Is Discontinued By Manufacturer  | No |
| Item Dimensions L x W x H | 21.3L x 13W x 8.3H Centimeters |
| Item Dimensions LxWxH  | 8.9 x 12.7 x 21 Centimeters |
| Item Type Name | Rule 35A Rule-A-Matic Float Switch - 12-24 VDC |
| Item Weight | 13 Grams |
| Item Weight  | 13 g |
| Item model number  | 35 |
| Language  | English |
| Manufacturer | RULE |
| Manufacturer  | RULE |
| Manufacturer Part Number | RM500B |
| Manufacturer Warranty Description | 2 years |
| Material Type | Plastic |
| Model Number | 35 |
| Net Quantity  | 1.0 Count |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | Corded Electric |
| Product Dimensions  | 8.89 x 12.7 x 20.96 cm; 13 g |
| Product Style | Music |
| Specific Uses For Product | Boating, Traveling, Emergency, Cruise |
| UPC | 696582485641 042237095435 617297076870 666668135845 042237083722 071030261204 773975400198 611104328671 779421381288 042237106230 014445389231 012304410966 826713868894 675904094815 072090742719 826713868900 963041571116 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Rule
- **Colour:** White
- **Global Trade Identification Number:** 00042237095435
- **Item Weight:** 13 Grams
- **Manufacturer:** RULE
- **Material:** Plastic
- **Number of Packs:** 1
- **Power Source:** Corded Electric
- **Product Dimensions:** 21.3L x 13W x 8.3H Centimeters
- **Style:** Music

## Images

![35A Rule-A-Matic Bilge Pump Float Switch, Mercury Free,White | Mercury Free, Durable, Reliable, and Easy to Install - Image 1](https://m.media-amazon.com/images/I/41fUsHCz1QL.jpg)

## 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.co/products/230942055-35a-rule-a-matic-bilge-pump-float-switch-mercury-free](https://www.desertcart.co/products/230942055-35a-rule-a-matic-bilge-pump-float-switch-mercury-free)

---

*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-09-06*