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#1
07-05-2006, 08:31 PM
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Quote:
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? 
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#2
07-05-2006, 08:40 PM
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But waste water production doesn't stop unless you stop the water supply to the RODI, how does your system control this?
Check if your unit is continually making waste water or not, even when the tank is not demanding water.
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#3
07-05-2006, 08:41 PM
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The RODI will stop waste water production if you have a hydraulic valve plumbed into the RODI that detects the pressure increase when the float valve closes, do you have this then?
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#5
07-05-2006, 09:33 PM
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My Aquasafe RO/DI has an auto shut off valve to stop the water flow.
__________________
I retired and got a fixed income but it's broke. Ed _______________________________________ 50 gallon FOWLR, 10 gallon sump. 130 gallon reef, 20 gallon sump, 10 gallon refugium. 10 gallon quarantine. 60 gallon winter tank for pond fish. 300 gallon pond with waterfall.
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#6
07-05-2006, 09:37 PM
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As a side note, if you run your RODI production water line a long distance, those waste water shut off valves don't work so well, they need pressure bladders installed.
I had mine setup this way, it failed to often for me. But I run my output line across my house. Mark, does your aquasafe have a built in pressure activated valve to shut off waste water production then?
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#7
07-05-2006, 09:50 PM
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The Aqua-safe units have the valve and just assumed all other units would have one included as well (why I was specific).
As the valve is mounted on the ro/di unit sensing the pressure differance between unit supply and output, can't see why distance would matter (my float is on the end of a probably 20' run). Last edited by mark; 07-05-2006 at 09:55 PM.
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#8
07-05-2006, 09:54 PM
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No, they don't all come with them, I didn't know any of the did come with them.
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