Thread: Considering ATO
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Old 02-21-2012, 05:33 PM
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fabbroc fabbroc is offline
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my DIY auto top off consists of three float switches, two on my sump (one for redundancy) and one in the reservoir. 5v runs through these and actuate a relay for my pump. I would never trust it if I connected the pump directly to them. It works great so far. Almost a must with a skimmer
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