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Why Every Boat Needs a Bilge Pump and To Use One

  • 1 Definition of a Bilge Pump
  • 2 Identifying the Anatomy of a Bilge Pump
  • 3 Installing a Bilge Pump
  • 4 Maintaining a Bilge Pump
  • 5 Legal Requirements for Boats With a Bilge Pump 

Having an effective bilge pump aboard your boat is essential for any long-distance voyages. It will keep the bilge of the vessel, or the area below the deck, free of excess water, oil, and other liquids. Without a good bilge pump, a boat may sink due to the accumulation of these liquids, which can be dangerous to the vessel and any passengers aboard it.

In this article, we’ll discuss why a bilge pump is essential for any boat, what it does, how to use it, the different types of bilge pumps , and which one is right for your vessel. If you’re looking to make sure your boat is ready for any voyage, make sure to read on.

Definition of a Bilge Pump

A bilge pump is an essential piece of safety equipment for any boat. It is a pump located in the low-lying area of the vessel, known as the bilge, which collects and removes water from the inside to prevent flooding. Bilge pumps come in many types and sizes, allowing boaters to choose the one suited to their needs.

Identifying the Anatomy of a Bilge Pump

Bilge pumps consist of a few primary components, including an electric motor to power the pump, a float switch or float valve to activate the pump, and an impeller or centrifugal pump to move water. The float switch or valve determines when to activate the pump. When the water reaches a certain height in the bilge, the valve will start the motor and pump. The impeller will move the water from the bilge and out of the boat. 

Installing a Bilge Pump

Installing a bilge pump can be a straightforward process for most boats. Here are the steps involved in the installation.

  • Select a location for your bilge pump on the boat that allows for easy access. 
  • Attach hoses to your bilge pump at both ends. One end will connect to where the water is, and the other side will connect to where you want the water to go. 
  • Connect your bilge pump’s power source by making wire connections and sealing them with waterproof electrical tape or shrink tubing. 
  • Test your bilge pump by turning it on to see if it works properly. If all goes well, you should begin seeing water pumping out from your boat’s bilge.

Maintaining a Bilge Pump

You should maintain your bilge pump to ensure it functions correctly and safely. Regular maintenance involves checking for cracks or leaks in the hoses or wires and assessing for any wear and tear in the float switches or valves. In addition to these periodic check-ups, it is important to check your bilge pump before going out on each new voyage as part of your pre-departure inspection list. This check will ensure that it is functioning at optimal levels and ready for anything mother nature may bring your way.

Legal Requirements for Boats With a Bilge Pump 

Depending on where you are boating, there may be specific legal requirements regarding bilge pumps. Some states require that boats have automatic bilges when operating in their waterways. It is critical to familiarize yourself with state and local laws before your next boating trip.

Having a bilge pump onboard your boat is essential for keeping your vessel safe and secure while on the water. By understanding why a bilge pump is necessary, what it does, and how to install and use one, you can make sure that your boat is ready for whatever waters you find yourself exploring. Don’t forget to equip your boat with a bilge pump so you can have a wonderful time out on the water.

Article Contributors

Sail magazine review team.

SAIL Magazine Review Team reports on best-selling products in sailing and boating. The SAIL Magazine editorial staff is not involved in the creation of this content. SAIL Magazine is reader-supported: When you buy through links on our site, we may earn an affiliate commission. The SAIL Review Team is composed of authors, editors, and sailors. Artificial Intelligence (large language models) may have been used in the research and creation of the content.

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IMAGES

  1. Sailboat Manual Bilge Pump

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  2. What is a Bilge Pump on a Boat?

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  4. Installing a Bilge Pump

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COMMENTS

  1. Why Boats Need Bilge Pump & How To Use It

    The illustration above shows one recommended setup for automatic bilge pump installation. Location: According to the ABYC, the pump inlet must be positioned so that bilge water can be removed when the boat is in a static position and when it is at …