Installation instructions are very limited. I tried to install and after removing the kitchen faucet I found that the fixtures are not up to standard. They measure 1/2", but the plumbers say it's not the nominal 1/2", and they weren't sure what it was. I got the 3-way valve you were supposed to be using from Home Depot, Ace, and the plumbing store, and nobody had adapters to downsize it from the larger size to the standard 3/8". I sent the Emailed company about the solution and they did No response I emailed again a week later and still no response The difficulty of doing this when we don't have a kitchen sink was very frustrating.I will now be returning it for another system that can be installed here in the US *Editing the above review After this initial review the company emailed me with a very good suggestion to fix the problem, finally it worked and that Water tastes good and everything seems to work Overall it seems a good product but be very careful you have the right equipment otherwise it is not easy to find them in stores or intern to find.
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