The right water pump depends on the job you need it to do. Different pump types are designed for different applications, and choosing the right one will improve performance and reliability.

• Submersible pumps are ideal for removing unwanted water that's pooled in flooded basements, crawl spaces, pits and tanks.
  
• Centrifugal pumps are designed to move large volumes of clean water, making them well suited to water transfer, irrigation and general pumping applications.
  
• High-pressure pumps are the best choice when water needs to travel long distances or be delivered at higher pressure.
  
• Trash and semi-trash pumps are built to handle water containing sand, mud, leaves and other debris that could clog a clean-water pump.
  

If you're unsure which pump is best for your application, we're happy to help you choose the right one.

The biggest difference is where the pump operates.

Submersible pumps are placed directly in the water and are designed to remove unwanted water that's pooled in flooded basements, pits, crawl spaces and tanks. As the water level drops, the pump continues removing water until the area is drained.

Centrifugal pumps remain outside the water and draw water through a suction hose. They're designed to move large volumes of clean water and are commonly used for irrigation, water transfer, tank filling and other applications where water needs to be moved from one location to another.

If your goal is to remove standing water, a submersible pump is usually the right choice. If you need to transfer clean water efficiently, a centrifugal pump is generally the better option.

No. Clean water pumps are designed for relatively clear water and can become clogged or damaged if they're used to pump water containing sand, mud, leaves or other debris.

If your application involves dirty water, choose a trash pump or semi-trash pump that's designed to handle suspended solids. Using the right pump helps prevent unnecessary wear, reduces the risk of blockages and improves long-term reliability.

If you're unsure whether your application calls for a clean water or trash pump, we're always happy to help you choose the right one.

Choosing the right pump isn't just about buying the largest model. The best choice depends on how much water you need to move, how far it needs to travel and how quickly you need the job done.

When comparing pumps, you'll often see specifications such as:

• Flow Rate (GPM) – Measured in gallons per minute, this tells you how much water the pump can move. A higher GPM means the pump can transfer more water in less time.
  
• Maximum Head – This is the greatest vertical distance the pump can lift water. If you're pumping uphill or to a higher elevation, the maximum head becomes an important consideration.
  
• Inlet & Outlet Size (NPT) – This refers to the size of the threaded pipe connections used for suction and discharge hoses. Choosing compatible hose sizes helps the pump perform as intended.
  

If you're unsure which pump is right for your application, we're happy to help. Tell us what you're pumping, how far the water needs to travel and the hose size you plan to use, and we'll help you choose a suitable pump.

Regular maintenance helps keep your water pump performing reliably and extends its service life. After each use, flush the pump with clean water if it has handled dirty water, inspect the hoses and fittings for damage, and remove any debris that could affect performance.

For gasoline-powered pumps, follow the engine manufacturer's recommended maintenance schedule, including regular oil changes, air filter cleaning and spark plug inspection. If the pump will be stored for an extended period, drain any remaining water from the pump housing and winterize the engine according to the manufacturer's instructions.

Before each use, check that all hose connections are secure and never operate the pump without water unless it's specifically designed to do so. Following the maintenance recommendations in your owner's manual will help keep your pump ready for the next job.

Yes. Many water pumps are designed to be serviced rather than replaced when components wear out. Depending on the model, parts such as mechanical seals, impellers, gaskets, recoil starters and carburetors can often be replaced to restore dependable performance.

If you're comfortable working on small engines or mechanical equipment, many routine repairs can be carried out yourself. More involved servicing can often be handled by a small engine repair shop that's familiar with outdoor power equipment.

If you need help identifying replacement parts or deciding whether a repair is worthwhile, our team is always happy to help.

Yes. Genuine replacement parts are available for many of the water pumps we carry, helping you maintain your equipment and replace worn components rather than the entire pump. Depending on the model, parts may include mechanical seals, impellers, gaskets, recoil starters, carburetors and other service components.

If you're looking for a specific replacement part and don't see it listed on our website, please contact us. We'll be happy to help identify the correct part for your pump.

Founded in Kyoto, Japan in 1948, Koshin has spent decades designing pumps for agriculture, construction, industrial and general water transfer applications. Pumps have always been at the heart of the company's business, and that long manufacturing experience is reflected in products that are trusted in more than 160 countries worldwide. 

At LionCove, we value manufacturers that continue to support their products long after they're sold. Alongside dependable water pumps, Koshin offers genuine replacement parts to help keep equipment in service for years to come—a philosophy that closely aligns with our own approach to long-term ownership.

Simer specializes in residential water management products designed to help homeowners move and manage water around the home. The product range includes utility pumps, sump pumps, well pumps and other water handling equipment, with a focus on dependable performance and practical value for everyday applications. Simer products are backed by decades of experience and are part of the Pentair family of water brands. 

We chose Simer because it offers reliable solutions for common residential pumping tasks, particularly emergency water removal. It's a practical choice for homeowners looking for dependable equipment that's easy to put to work when it's needed most.