More info.

I have a constant pressure variable speed well pump. 1.5 HP pump in a 5 inch casing. Normal operating pressure is 70 psig. When I open the 2 inch pipe to the pond the pressure drops to 60 psig so I know the pump is running at max speed when I do that.

Last edited by Bill D.; 05/19/15 08:29 PM. Reason: Clarification

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