Overflow protection - RODI

[GarrettT]

What's everybody using to prevent their RO reservoir from overflowing? Seems like your standard float valve isn't recommended anymore. I've seen post about solenoids, but having a hard time understanding the overall setup.

 

[dank reefer]

Why are float valves not recommended anymore?

I use a float valve on my 44g brute can and have never had any issues with it since it was installed about 3 years ago.

 

[Adamantium]

I use a float valve as a backup to my RODI Guardian. It's never failed on me, though. Feels like a well spent $70.

 

[KStatefan]

I use solenoids with float switches but there is also a mechanical float valve. I a currenently use 110 volt soleniods but have plans to switch them out to 24 volt latching soleniods.

 

[GarrettT]

I use a float valve as a backup to my RODI Guardian. It's never failed on me, though. Feels like a well spent $70.

The RODI Guardian looks nice. Unfortunately, I need a vertically mounting sensor. My storage tank is stiff with the side walls rounded.

 

[GarrettT]

I use solenoids with float switches but there is also a mechanical float valve. I a currenently use 110 volt soleniods but have plans to switch them out to 24 volt latching soleniods.

What solenoids for you using? How many is needed per reservoir?

 

[KStatefan]

What solenoids for you using? How many is needed per reservoir?

Right now I am using the 110 volt ones from @Buckeye Hydro. I use two but I have a di-bypass system that turns one solenoids on for a few minutes to send any tds creep down the drain.

 

[GarrettT]

Right now I am using the 110 volt ones from @Buckeye Hydro. I use two but I have a di-bypass system that turns one solenoids on for a few minutes to send any tds creep down the drain.

Does this rely on an Apex?

 

[KStatefan]

Does this rely on an Apex?

No. It uses a high-low tank controller and a delay relay.