Variable speed simply means that a pool pump is capable of moving the water at more than one speed.
Variable speed drives for pool pumps.
If you ve had a pool for a while you ve probably heard about variable speed pool pumps.
Variable speed drives vsds the rationale for incorporating variable speed on swimming pool circulating pumps is to enable the circulation rate to be reduced overnight and during low bathing load periods in order to reduce power consumption.
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These pumps use computerized controllers also known as variable frequency drives or vfd s and are designed to separate people from as much of their hard earned money as possible.
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Before 2008 nearly all inground pool pumps sold were highly inefficient single speed models.
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Most are available in single phase or three phase.