Variable Speed Pumps are the greatest invention. They allow you to manage the RPM’s (the speed at which the pump runs) You can run the pump anywhere from 600rpm up to 3450 rpm’s.
If you have a heater you will need to determine the speed that works to run your heater. I have found that mine will run at 1800rpm and send enough water through the heater to allow it to fire.
Variable Speed Pumps will pay for themselves in energy savings over three seasons typically.
These pumps also have timers built into them therefore you can run your pump during off-peak energy hours.
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