Centrifugal water pumps move water by using pressure from the inlet to outlet. The rotating set of vanes spins the pump shaft and flows the water through the pump.
The first place to check is the shaft RPM indicator within the specifications of the pump. Many other instances may occur from blocked or obstructed intake sources to damaged or worn pump impellers.
Most water pumps run quietly during operation. Make sure the noise you hear is coming from the water pump. If the water pump is making a grinding, growling or sputtering noise, turnoff the unit and call us immediately.
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