The pool pump plays an essential role in maintaining clean, crystal clear water by circulating water through the filtration system. Therefore, it is important to take extra precautions and make sure all pool pump connections are done correctly to avoid costly mistakes.

A wrong connection can lead to a damaged pump, resulting in a significant increase in energy consumption and a decrease in the quality of the water.

We’ll show you how to avoid the most common mistakes when connecting a pool pump.

You’ll also get tips and best practices to make sure your filtration system works well.

mISTAKE N°1 : Picking The Wrong Pump

One of the most common mistakes is choosing the wrong pool pump for the pool size and volume. To avoid such mistakes, it is important to properly size the pump by considering the flow rate and pool size. This will ensure that your pool is properly filtered, and your pump does not consume unnecessary energy. If you pick a pump that is too weak, it will not be able to circulate enough water to keep the pool clean and the filter will be overworked. If you select a pump that is too strong, it will be using more energy than necessary and will cost you more money in electricity bills.

Be sure to read the pump’s specs before buying it to avoid this mistake. Consider the size and shape of your pool, as well as the distance from the pool to the pump, to ensure you purchase the right pump for your needs. Moreover, think about accessories like jets or waterfalls that may require more flow.

Mistake N°2 : Improper Installation Of The Pool Pump

One of the most common mistakes that people make when connecting a pool pump is that they don’t properly install it. Carefully ensuring the pump is oriented, mounted, and placed in a suitable location is essential for optimal functioning and efficiency.

For example, if the pump is installed in an area prone to flooding or too far from the pool, it can lead to significant issues with priming and water flow.

To avoid installation mistakes, here are some best practices to follow:

Installing the pool pump in the right spot will help ensure its efficiency and longevity. For example, the pool pump should be installed in an area that is protected from the elements and away from children’s play areas. Additionally, the pump should be installed as close to the pool as possible so that it can draw water more effectively.

Make sure that the pump is correctly oriented, with the inlet and outlet connections directed to the corresponding pipes. For example, the inlet should be facing the pipe that brings water to the pump and the outlet should be connected to the pipe that sends water away from the pump. This will ensure that the pump is pulling in clean water from the pool and pushing out dirty water back into the pool.

If the pump is not properly secured, vibration and movement could cause the pipes to become disconnected or the electrical connections to become loose. This could eventually lead to the pump failing, resulting in costly repairs. To avoid such a scenario, it is essential to ensure that the pump is securely installed with appropriate brackets and fixings. This will help to prevent the pump from coming loose due to vibration, and ultimately ensure that it functions properly for its entire lifespan.


Morana's advice 👇

Safety is important when it comes to electrical installations

You can make a common mistake by neglecting the safety of your pool pump’s electrical installation. Ensure that the entire electrical installation meets current safety standards.

Make sure the pump and filter are compatible

Another common mistake is choosing a pump that is not adapted to the pool filter, either in terms of flow rate or capacity. A pump that is too powerful for the filter may damage, while an undersized pump will not filter the pool water efficiently.

Avoid mistakes when connecting your pool pump.

Mistake N°3 : Failure to connect the hydraulics properly

Pool piping is essential to ensure the pool pump’s proper operation. The piping is what allows the water to move from the pool back to the pump, and then back out to the pool again. However, mistakes are common when installing pipes. Improper installation can result in many problems, such as leaks, poor connections, and incorrect fitting. Poorly installed pipes can result in water not reaching the pump efficiently, leading to reduced pump flow, increased energy consumption and, in some cases, property damage.

Follow these tips to ensure a reliable and secure hydraulic connection:

Use high-quality pipes and fittings

Heavy-duty pipes and fittings are designed to be more durable and resistant to wear and tear. They are also designed to handle higher pressures and temperatures, which makes them more suitable for pool installations.

Make sure connections are tight

To ensure that the connections remain watertight, it is essential to use gaskets, Teflon tape, or the appropriate adhesive. Don’t forget to tighten all the connections firmly and test the pump for leaks before activating it.

Correctly install the pipework

Proper pool pipework installation is crucial for the efficient circulation and filtration of water in a swimming pool. It ensures that water is properly distributed to all areas of the pool, maintaining a consistent temperature and chemical balance.

Regularly check the fittings

Doing regular checks and replacements will ensure your hydraulic systems perform at peak efficiency. Replacing parts as needed will also help keep the system running smoothly.

If you pay close attention to the hydraulic connections when connecting your pool pump, you will avoid flow problems and ensure that your filtration system is functioning optimally.

Mistake N°4 : Improper Electrical Connection

The electrical connection of the pool pump is a crucial step that, if performed incorrectly, can lead to operational problems and pose a safety hazard. Among the most common electrical errors are improper wiring, the absence of surge protection, or non-compliance with the electrical code. For instance, incorrect wiring can cause electric shock or damage to the pool pump’s motor, while the absence of surge protection can lead to the corruption of the pump’s electrical components.

Here’s how to make an electrical connection that’s safe and compliant:

You should use the appropriate size of wire for the amperage the pump will draw, and use the correct type of conduit for the environment it is being installed in. This is because the wire size and tightness of connections can affect the amount of electricity that flows through the connection, which can cause the connection to overheat and potentially cause a fire.

Surge protection devices and GFCIs protect against electric shock and sudden increases in current, which can damage the equipment. The differential circuit breaker (30mA) will shut off the power if it detects a current leakage, which can be caused by a short circuit, an overloaded circuit, or a fault in the wiring.

When connecting the pump to the power supply, it is important to follow the manufacturer’s instructions. Be particularly careful to connect the cables to the correct terminals and observe the correct polarity.

A professional electrician can ensure that the connection is done safely and correctly, so don’t hesitate to contact one if you’re not confident in your skills. Thanks to an experienced electrician, you can be sure the connection will be safe and sound – so don’t be afraid to ask for assistance!

Keeping these tips in mind when connecting your pool pump will reduce the risk of malfunction and ensure your installation’s safety. It will also guarantee an optimal level of filtration as well.

Mistake N°5 : Failing To Maintain The Pool Pump

Regular maintenance of the pool pump is essential to ensure its peak performance and maximize its lifespan. Failing to clean the prefilter, as well as overlooking worn or damaged components, can cause the pump to malfunction and wear down faster.

Follow these best practices for pool pump care and maintenance:

✅ Keep the pump pre-filter clean

Pre-filters catch debris and dirt before they reach the engine and filtration system. This helps to keep the motor and filtration system running smoothly and efficiently. It also helps to extend the life of the pump by preventing larger particles of dirt and debris from entering and damaging the motor and filtration system.

✅ Keep an eye on the parts' wear

Pump parts can wear out or deteriorate over time. Make sure seals, bearings, and other wearing parts are in good shape. Additionally, it is important to replace any worn or deteriorated parts quickly to ensure the pump continues to work effectively. Failing to do so can lead to irreparable damage to the pump and the need to replace it completely.

✅ Plan periodic inspections

The filtration system is a key component of the pool that keeps it clean and healthy. Regular maintenance and checks on the filtration system are essential to keeping your pool in peak condition and functioning properly. Thus, if you are unsure of your ability to perform these checks, it is advisable to hire a professional to inspect and maintain the system.

You can extend the life of your pool pump and ensure that your filtration system will operate efficiently and reliably by following these good care and maintenance practices.


As we saw, some mistakes can easily be avoided when connecting your pool pump. For best results, it is recommended to consult a pool design professional if you have any questions or concerns about connecting your pool pump.