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#1
04-20-2013, 05:14 PM
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ATO secondary shut-off
I have this JBJ auto top off unit.
http://www.jlaquatics.com/phpstore/s...t_ID=JBJ-AUTOT Seems every week there is a tank crash thread caused by a failed ATO sensor. I've decided that I want to incorporate a secondary shut off incase the sensor gets stuck in the open position. Any suggestions? 
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#4
04-20-2013, 06:39 PM
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I use this for one of my sumps. But it would be overkill, if you already have an ATO. They also sell float valves for about $13, cheaper than the Kent valve.
http://www.autotopoff.com/products/DS1/
__________________
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#5
04-20-2013, 06:52 PM
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Cheapest way is a secondary float valve, as Brad suggests
Just test it every week I've already had one float semi-fail since last May (not ATO related, but a float to a relay to shut off other stuff) I took it out and cleaned it up. Now it's fine Otherwise, buy a Tunze Osmolator and keep the sensor eye clean
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#6
04-20-2013, 07:05 PM
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I already have a kent float valve that's in storage. So I am all good on that front.
 ATO pump question. What would be a good pump? Reservoir and sump are inches apart? Last edited by Werbo; 04-20-2013 at 07:18 PM.
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