DIY wireless pump, wireless on-off, DC 12V 

Aliexpress
water pump 3700gph Dc 12v 24v Bilge Pump
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PVC hose
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Mighty Blaster high pressure water nozzle
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Union PVC, size 3/4 in.
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waterproof plastic
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Wireless remote control switch DC 12V 24V 72V 30A
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12.8V 14Ah 32700 Lifepo4
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