Average Reviews:
(More customer reviews)This is a compact pump - very small and I am sure like all Rule pumps it's fine quality. However, i purchased the pump for automatic operation (drain my 14ft Dory during the summer so that I don't have to bail the thing after a rain storm).
Here's the rub.... The item description on Amazon for this item is incorrect. It says it has a float switch. It DOES NOT. The way it senses water is: it turns on every 2.5 minutes, and based on the resistance it "feels" on the impeller, it knows if it's pumping water or not. If it's pumping air (i.e. no water is present), it shuts down. The bad thing is - this means that every 150 seconds, it's turning on for a few secongs. The proble witht hat is, you are steadily draining your boat batteries, having this thing hooked up.
Rule does make a automatic 500 GPH pump with a float switch - THIS IS NOT IT. if you care about battery drain, I would stay clear of this.
I have informed Amazon of the error in their description and I am returning mine.
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Rule 25S Marine Rule 500 Automatic Marine Bilge Pump (500-GPH, 12-Volt)
Click here for more information about Rule 25S Marine Rule 500 Automatic Marine Bilge Pump (500-GPH, 12-Volt)
