downhill_biker Posted June 6, 2008 Share Posted June 6, 2008 I have an emergency shut off switch for a return pump to keep your display tank from overflowing in case of a power outage where you lose suction on your overflow. This works with a relay that is held in by a coil and when power goes out it has to be manually closed with a button on the side of the relay. I built it myself and tested it and it works great, but I dont need it because my overflow is one that will never lose siphon, at least i think. Selling for $20 firm. This will cover my cost for the relay. Quote Link to comment Share on other sites More sharing options...
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