Quote:
Originally Posted by
schildkoi
Switching a pump from 110 to 220 will not increase the rpm and thus not the flow rate. What it does is supply 2 legs of 110 at 1/2 the original amperage to each leg. What it does do is makes it easier for the pump to start and stop....not typically a concern in a ppond application. When a motor strats, it draws more amerage than at running speed. By reducing (splitting) that intitial amerage draw, it takes less wear and tear on the motor....which is a concern for motor applications that are constantly starting and stopping.
Steve