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Bill Jirik,
Bill Jirik, Member Posts: 54
Most wet rotor pumps use PSC (permanent split capacitor) motors which consume less electricity then the split phase motors that were used in a lot of three piece oil lubricted pumps, some manufacturers such as Bell & Gosset switched to PSC motors years ago on thier smaller pumps 1/12 & 1/6 hp hence amperage draw went down as well as starting torque, however in a pinch I have found an air conditioning hard start kit (suppco spp5) across the run capacitor gives them additional starting torque to get them going in a pinch.


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