Kept forgeting to empty my A/C tank

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I have one of those air conditioners that goes inside with only an exhaust hose that goes to the window, but I have a water tank to empty every few hours (from the condensate). I kept forgetting and when I got in it was like 85-90 degrees because it stops when the tank is full so it doesnt over flow.

So I got a "bilge pump" (whatever that is, it's just a submersible water pump) and used a small plastic container to use as a float, attached a stick to it and glued the other end to a push-sensor. I put a pipe from the pump to the window just below the huge exhaust hose, so now whenever the tank is over about 20% full it dumps the water outside