RO/DI hooked up to cold AND hot supply

[Ryanerickson]

I would think so lots of hot water tanks have rust inside,I thought the idea was odd last few days of the coarse the teacher gave us a bunch of photocopied paper work. One was about reverse osmosis. Mindy the proper way to do this is with a mixing valve you could get one from a plumbing wholesaler. They are commonly used on faucets in public washrooms that are touch less operation.