Smart ATO RODI Solenoid

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AutoAqua auto top off units now have the ability to hook directly up to a RODI solenoid to replace the pump they are equipped with out of the box. If you have upgraded to a larger system, or just simply don't have the room for an ATO storage container this may be the option for you.

Replacing the stock pump with the Smart Solenoid will easily take under 1 minute. Simply disconnect your current pump from the controller and plug in the solenoid. It is that easy.


The solenoid works in conjunction with the ATO controller and sensor to allow the flow of RODI water to your sump and when the water level is replenished the sensor will tell the controller to shut off power to the solenoid to close the valve and stop the flow of RODI water. The solenoid uses 1/4" push connect fittings to allow RO tubing to connect quickly.


All BRS RODI systems use 1/4" tubing on the product water line.


Note: While hooking a RODI system directly up to an aquarium can be a very simple, and reliable method for replenishing evaporated water there are inherent dangers that come with a direct connection to an endless water supply to your tank. By utilizing a solenoid in conjunction with the Smart ATO systems, you can help decrease the risk of an overflow, but as with all things mechanical or electrical can fail over time. We highly suggest placing a RODI float valve higher than the water level in the sump as a back up if the solenoid or controller is ever to get stuck in the on position.

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UPC 4714041212884
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Product Questions

Can this be used with the tunze ato? Cut the cord and connect the wires?
Question by: Shawn on Dec 6, 2019, 4:07 AM
Hey there!

I would not suggest doing that as it will likely not work and void any warranty the ATO has.

Take care
Answer by: Thomas Billington on Dec 6, 2019, 11:44 AM
What is the max PSI rating for this? Would it be usable on a RODI system running ~80 PSI?
Question by: Alex G on Jul 16, 2019, 11:08 PM
Hey Alex,
This solenoid can safely operate with pressures up to 120psi. Make sure to let us know if you have any other questions!
Answer by: Jason Smith on Jul 17, 2019, 6:57 AM
Will this work with the Smart ATO Micro or only the standard Smart ATO?
Question by: Shannon Gipson on Jan 24, 2018, 3:21 PM
It will work with either the Smart ATO Micro or the standard Smart ATO.
Answer by: Charlie on Jan 25, 2018, 5:06 PM
Can I use this with my apex controller?
Question by: Scott Coleman on Jan 25, 2017, 3:27 PM
Great question! You cannot utilize this with the Neptune Apex. It does not have a standard outlet plug. The plug is utilized with the Smart ATO controller. :-)
Answer by: Randy on Jan 28, 2017, 11:10 AM
I see the valve is 12VDC and you show a DIN type power plug but can you tell me what the actual power adapter is, does it come with a "laptop" type small brick? Thank you
Question by: Peter on Apr 12, 2016, 8:10 AM
Great question!
These are intended to be used directly with the SMART ATO systems. It can plug directly into the power supply of the Smart ATO which controls both the controller and solenoid. For further technical information you will need to contact CoralVue directly. I have included their contact below.
(985) 781-9078
(985) 781-9078
Answer by: Connor on Apr 14, 2016, 5:33 PM