12-volt Cellar Drain Pump

(Summer Circuits 2010 article)

This circuit lets you control a pump, to keep the level of water in a cellar below a certain threshold, for example. Power is supplied to the pump by a battery that is recharged automatically when the AC powerline voltage is present.

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12-volt Cellar Drain Pump

(Summer Circuits 2010 article)

This is a MEMBER ONLY article. You need a subscription to read this article.

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