There are two shut off valves. One is close to the chilly water line going up to your cold and hot kitchen area faucet. It is at stake feeding the RO program. The second one particular is situated on top of the metal tank. Andy at Advanced Water Remedies restored http://finance.dalycity.com/camedia.dalycity/article/getnews-2025-6-17-advanced-water-rebrands-to-keep-up-with-changing-office-culture-and-cleaner-hydration-needs