Float Valve?

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Originally Posted by TheReefGeek

Humidifier valve connected to an RODI, can you explain this more?

How do you stop waste water production from the RODI?

Have the Aqua-safe with tank, float valve is hooked up to the ro/di output line. RO/DI unit works as normal, no demand (no flow), no waste water.

Grand plan was to have the ro/di unit feed a reservoir with aeration (for pH adjust and to limit possible amount of fresh water that might be added if float failed), reservoir supplying sump via float valve.

Thinking now this setup works great, don't need to worry about topping up a reservoir, only adding little ro/di water a time so doubt I'll get much pH swing (system volume ~200g) and really, how many people have ever flooded their basement because their humidifier float valve got stuck open?