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Swimming Pool Pump: The Ultimate Guide to Selection and Maintenance

February 19, 2024


Swimming pool pumps play a central role in maintaining clean water and efficient operation of the circulation system. To ensure a hygienic, safe and comfortable swimming pool experience, it is vital to select and maintain the right pump.

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Overview of pump functions

Water Circulation:

The pump extracts water from the bottom of the pool by suction so that it is treated by the filtration system and then re-injected into the pool by the outlet, creating a continuous water circulation process.

Water filtration:

The pump pushes the water through the filter and removes impurities, bacteria and algae with the help of a screen or cartridge, thus guaranteeing clear and clean water.

Temperature control:

The pump can be used in conjunction with a heater or cooling unit to regulate and maintain the pool water at the desired constant temperature.

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Factors to consider when choosing a pump

Pool size and flow rate matching:

Based on the volume of the pool (calculated as length x width x depth) and the recommended drainage cycle (usually 6-8 hours), the pump with the appropriate flow rate will be selected. For example, for a domestic pool with a capacity of 20,000 litres, it may be necessary to select a circulation pump with a flow rate of at least 2,500 litres per hour.

Pump power and efficiency:

Not only is it important to consider how powerful the water pump is to meet the required flow rate, but it is also important to look at its energy efficiency. Preferring an energy-efficient pump will help to save on electricity consumption.

Noise control and vibration:

Choose a well-designed, low-noise, low-vibration pump models to reduce the impact on the surrounding environment during operation.

Frequency of use and demand:

For high-frequency use of home or public swimming pools, a pump with a higher flow rate should be used to adapt to the needs of frequent water changes.

Other considerations:

Material durability, ease of operation, cost-effective, etc. is also an important reference point in the purchase decision.

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Suggested Breakdown of Pool Pump Purchase

Family swimming pools:

  • Light use: it is recommended to choose a circulation pump with a flow rate of 10-20 cubic metres per hour (m³/h).
  • Heavy use: it is recommended to configure a circulation pump with a flow rate of 20-30 m³/h.

Public swimming pools:

According to the actual size and foot traffic, generally choose a circulation pump with a flow rate in the range of 20-50 m³/h.

Large swimming pools:

For large commercial or community pools, a high-end circulation pump with a flow rate of more than 50 m³/h should be selected. 

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Maintenance points for swimming pool pumps

  • Regular inspection: find and solve the problems of water leakage, power leakage, abnormal noise, etc. to ensure the safe and stable operation of the equipment.
  • Filter and cartridge cleaning: clean the filter or cartridge inside the pump regularly to avoid clogging that leads to a decline in pump performance.
  • Routine maintenance: including the replacement of lubricating oil, check the wear and tear of bearings, etc., in order to extend the service life of the pump.

Common problems and their solution strategies

  • Insufficient flow: may be due to the pump selection is too small, pipe clogging or filter element clogging caused by the need for targeted investigation and solution.
  • Excessive noise: may result from the installation of the pump is not stable, selection and actual demand does not match or internal parts are damaged, should be adjusted or repaired in a timely manner.
  • Pump leakage: mostly due to seal damage or bearing wear, need to repair or replace the corresponding parts as soon as possible.

Summary and additional recommendations

  • In the selection of swimming pool pumps, be sure to focus on brand reputation and product quality, choose a well-known brand of energy efficient circulating pump.
  • Considering the long-term economic costs, give priority to the choice of energy-saving features of the pump, the long term can save a considerable amount of electricity expenses.
  • Try to choose a good noise reduction technology pumps, which can not only reduce environmental noise pollution, but also enhance the overall comfort of the pool area.

In summary, careful selection and maintenance of swimming pool pumps not only help to ensure that the water quality is always in a good state, but also help to extend the life of the equipment, to achieve the pool operation of efficient, economical and environmentally friendly.


I am the Marketing Director of SUNVIS, with 12 years of experience in the Solar Outdoor Lighting, Solar Power System and Solar Water Pumps industry. If you have any questions, you can contact me at any time.

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