Forum Discussion
toprudder
Aug 08, 2009Explorer
professor95 wrote:
roofgoat -
I agree with Jerry and JC.
Unless you have a shallow well (40 feet or so) with a jet pump or in-well pump of no more than 1/2 HP you can forget using a 36540 3,500 watt generator to run the well. I really don't believe you will be successful running a deep well 240 VAC 3/4 or 1 HP pump (like I have) unless you move up to a 5,500 watt or larger generator.
I'll give you a data point. I have a deep well (over 300 feet) in-well pump. Not sure what the HP rating is, but I do know it draws about 2200 watts running (about 3 HP by my calc). I have driven it quite well with my cheap 5000w generator. Of course, the startup current is what is the killer and I don't know just how much that is.
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