The heart of every swimming pool is the pump. The pump runs the pool’s circulation system, pulling water in from the skimmer and the main drain before passing it through the filters and any water treatment systems and returning it to the main body of water.

Any pump is essentially a motor and an impeller. Traditionally, that motor has been a single speed device but modern swimming pool pumps have seen advances in technology making them more efficient, more controllable and longer lasting.

Replacing a legacy, single-speed pump with a variable speed unit can quickly show a positive return on investment due to the energy cost savings incurred and, it will also show benefits for the customer in terms of controllability, noise and maintenance.

Variable speed pool pumps.

Variable speed pumps are capable of running at different speeds (RPM) and therefore generating different flow rates. Running at a slower speed affects the power consumption and does so more significantly than you would imagine.

If a variable speed pump is run at half of its maximum speed that will reduce the flow rate by half but the power consumption is reduced to just 1/8th of its maximum energy usage.

However if a pump speed is reduced by only 450 RPM, from 3,450 to 3,000, then the reduction in flow rate is negligible but the energy reduction will be in the region of 50%.

The advantages of having control over a pool pump over and above simply ‘on’ and ‘off’ are apparent. A pump that is running at full power constantly will not only use more energy but will also generate more internal wear on components and produce more noise.

Having greater control means that customers are more likely to run the pump for longer periods and it is better to operate the filter longer too as the circulation system is cleaning the surface of the pool the whole time the pool pump is operating.

Variable speed pumps are more expensive than single-speed units and will need more sophisticated control systems but will save money longer term.

Permanent magnet pump motors are more efficient.

A Permanent Magnet Motor (PMM) runs at a lower temperature and therefore lasts longer and runs quieter than an old style motors plus a PMM running at the same speed as a single or dual speed motor will use less energy.

A PMM uses permanent magnets embedded in the steel rotor to create a constant magnetic field. The stator carries windings connected to the AC supply to produce a rotating magnetic field.

Variable speed PMM pumps will usually last longer than other pump types as well, with some manufacturers claiming an expected life that is nearly three times that of a standard single speed pool pump.

Speck pumps distributed by Golden Coast.

Speck is a German company that has been an industry leader in pump technology through successful innovation and precision engineering. They produce a range of pumps including the BADU Profi, the EasyFit and the EcoTouch.

The BADU Profi is the first seal-less swimming pool pump with magnetic coupling instead of a mechanical seal. Its innovative contactless coupling means the maintenance and leak issues associated with mechanical seals are a thing of the past.

The motor performance is transmitted, contactless and wear-free, via a magnetic coupling and through the can to the impeller. The pump has a maintenance-free construction and cools itself by means of a unique circulation system.

The BADUEasyFit, allows installers to introduce new pumps into existing plant rooms without the need for costly and time-consuming re-plumbing. Its optional connection kits offer a perfect fit for at least 9 leading brands including the Sta-Rite 5P2R and Hayward Superpumps. The pump itself is exceptional efficient using 20% less power than the industry’s most popular pumps.

Eight pump sizes are available within the EasyFit range to meet every need. Approximate power ranges from 9 to 45 m³/hr and are suitable for pools with a volume from 35 to 200 m³.

The EcoTouch has a patented permanent magnet motor designed to reduce operating costs and improve filtration by reducing flow rate.

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