Add Yahoo as a preferred source to see more of our stories on Google. Q: The last couple of times I’ve been in my pool, the water seems to be circulating poorly. Do I need to replace my pool pump ...

Details: Ecotech EZ Variable Speed pool pump motors manufactured by Nidec Motor Corporation, of St. Louis, and Emerson Motor Company, a division of Emerson Electric Co., of St. Louis. The motors were ...

DETAILS: Ecotech EZ Variable Speed pool pump motors manufactured by Nidec Motor Corporation, of St. Louis, Mo. and Emerson Motor Company, a division of Emerson Electric Co., of St. Louis, Mo. The ...

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...