I'd recommend a float switch and back-up battery as well. Plus look up DC bilge pumps, which would simplify running off a battery [with an AC-DC adaptor to run it off mains.]
Then if the power goes down, it'll still work.
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I'd recommend a float switch and back-up battery as well. Plus look up DC bilge pumps, which would simplify running off a battery [with an AC-DC adaptor to run it off mains.]
Then if the power goes down, it'll still work.