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Old 01-04-2013, 09:16 PM   #21
thewurzel
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thinking about it you could use this for an auto sparge. by just putting the floats on a adjustable pole on top of the mash.

it actually works quite well in the Areogarden keeping the level topped up to the exact setting you set it.

The bottom float turns on the pump when it gets low, and the upper float is only there as a fail safe in case the bottom float fails.

While watching the one in the Areogarden it only turned on for a few seconds at at time.

i dont actually like the way they wired there project box and made my own wiring in a larger project box which included a a on /off switch and a hot and switched socket which you plug the 12 volt transformer and the pump

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Old 01-04-2013, 09:45 PM   #22
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I'm late to the game here but I'll throw this in any way. Here is a pump up/pump down relay I use on a larger scale in aquaculture. It starts the pump at the low level and stops it at the top, or vise versa, pretty simple but expensive.

http://ecatalog.gemssensors.com/ecatalog/relays-barriers/en/28196

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Old 01-05-2013, 03:35 AM   #23
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The relays have standard pinout and form factor. See example tyco relay.
http://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Data+Sheet%7FKU EP_series_relay_datasheet%7F1112%7Fpdf%7FEnglish%7 FENG_DS_KUEP_series_relay_datasheet_1112.pdf%7F139 3114-1

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Old 06-04-2013, 11:48 PM   #24
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How did this project turn out?

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