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how swimming pool pump works


Author: Poolking - Swimming Pool Equipment Manufacturer

Swimming pool pumps are the heart of any pool filtration system. Without a working pool pump, your pool would quickly become contaminated and unswimmable. But, have you ever wondered how swimming pool pumps actually work? In this article, we’ll take a closer look at the inner workings of pool pumps, including their purpose, components, and maintenance requirements.

Purpose of Swimming Pool Pumps

The main purpose of a swimming pool pump is to circulate water through the pool’s filtration system. This serves two purposes: the first is to remove debris from the water, such as dirt, leaves, and insects. The second purpose is to distribute sanitizing agents throughout the pool, such as chlorine or salt water.

Components of Swimming Pool Pumps

A standard swimming pool pump consists of three main components: a motor, an impeller, and a strainer basket. The motor drives the impeller, which draws water in from the pool through a suction port and pushes it out through a discharge port. The strainer basket is located between the suction port and the impeller, and its primary purpose is to catch large debris before it enters the pump.

Choosing the Right Pool Pump

When choosing a pool pump, it’s important to select one that is properly sized for your pool. This will depend on the size of your pool, the length of your plumbing, and the type of filter you use. A pump that is too small will not properly circulate the water, while a pump that is too large will waste energy and may damage the filter.

Regular Maintenance

Like all pool equipment, swimming pool pumps require regular maintenance to ensure their proper function. This includes cleaning the strainer basket, regularly checking the pump’s pressure gauge, and keeping an eye out for any signs of leaks or damage. In addition, the pump’s motor should be lubricated regularly, and it’s important to replace any worn-out parts as needed.

Troubleshooting Common Issues

Despite regular maintenance, swimming pool pumps can sometimes encounter problems that require troubleshooting. One common issue is the pump losing prime, which means it is not able to pull water from the pool. This can be caused by a blockage in the plumbing or a damaged impeller. Another common issue is a leaky pump, which can be caused by wear and tear on the seals or gaskets.


In summary, swimming pool pumps are a critical component of any pool filtration system. Their purpose is to circulate water through the pool's filtration system, while also distributing sanitizing agents throughout the pool. Proper maintenance, including regular cleaning and inspection, is essential for ensuring these pumps work correctly. And in the event of troubleshooting, it’s important to isolate the issue and take corrective action. By following these guidelines, you can ensure your swimming pool pump provides years of reliable service.


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