I want to say "that's not a function of the RO system, but rather an added complication to the rest of the water system in the house." It is similar (to an ext

I want to say "that's not a function of the RO system, but rather an added complication to the rest of the water system in the house." It is similar (to an extent) as the collection of rainwater for similar non-potable applications. This means running multiple water systems through the house. Hot, tap cold, non-potable, filtered. One could combine the tap cold and non-potable to simplify the use. But it's the same problem (and solution) of using rain water as non-potable and RO waste water as non-potable.