I have two pumps, a Whale low profile 650 gph with water sensing on off 3/4 inch discharge. It is wired to it's own separate battery. My larger pump is a Rule 11000 gph with a built in float switch and also a manual run switch wired to the motor battery. I did not want the smaller pump to run down my main battery and I like the redundancy. I also have a third pump I can plug into a battery jump box if things go south and I am on board.
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