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Swimming Pool Pumps

A swimming pool pumps is needed to properly operate all but a temporary swimming pool: they circulate the water in the pool, keep the chemicals that provide water clarity and cleanliness correctly mixed, and remove debris. If you are thinking of buying a pool pump, consider the following:

  • You should purchase the smallest size pump possible for your pool. Recent studies have shown that most pool pumps are too big for the size of the pool, resulting in reduced filter effectiveness, too much wear and tear on the plumbing system, and increased electrical costs. A properly sized pump should circulate all of the pool’s water about once every 24 hours.
  • To choose the right size pump, consult the pool supplier’s chart and match the hydraulic capacity of the pump to the size of the piping system. For example, an average residential pool with commonly installed 1 1/4 inch to 1 1/2 inch plumbing pipes needs a pump with a 1/2 to 3/4 horsepower motor.
  • The pump will operate more efficiently if you decrease the length of the pipes or replace 90 degree elbow pipes with 45 degree or flexible pipes. These changes can reduce water flow resistance and can result in a savings of up to 40% of electricity costs.
  • Look for a pump that can be installed with a timer that can activate the pump for a number of short periods every day rather than running it for a single period of many hours. Short cycles keeps the pool water cleaner.
  • Clogged pool drains require the pump to work harder, so keep the intake grates clear of debris by routinely using a skimmer or pool vacuum.

If you are using a solar swimming pool heater, you will also need to consider the workload to pump the water to and through the collector.

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