RO/Di top off?

[complexbooger]

how can i use my RODi as an auto top off? I have the t-valve adaptor to go from my Cold water supply to the unit. but how do i cut off the waste line and the "clean" water (top off) at the same time? a float valve just cuts off the top off, and the waste line keeps pushing water.

any help?
TIA

=JonBlazes

 

[Billybeau1]

Auto shut off valve floats kits come with a device that shuts off the waste line when the level is reached. I believe it works off pressure from the output line.

 

[Justdrew]

It requires a shut off valve that takes care of both lines. Here is an example. They are available at pretty much all of the sponsors that sell RO/DI.

Auto Shut Off