STEP EIGHT – SANITIZE, TEST & PURGE Sanitize Note: Sanitization is recommended immediately after RO Filter System installation and any inner-part servicing. The person sanitizing should have clean hands during this process. 1 Shut off water supply to RO system. 2 Open faucet. If tank is not empty, allow to drain until empty. 3 With included eyedropper and household bleach (5.25%), disconnect white tubing from tank valve. Note: Bleach needs to be handled according to manufacturer’s instructions. 4 Add 3ml bleach into open end of tank white tubing. 5 Reconnect tank and white tubing to tank valve. 6 Sanitization will be completed during the following pressure test and purge. Important: Bleach must be completely removed from system before drinking water. See Purge instructions below. Pressure Test Important: Complete sanitization prior to pressure test. 1 Open cold water supply valve to RO Filter System. 2 To purge air from the plumbing system, open kitchen faucet. Close faucet when water runs smooth. 3 Confirm RO faucet is closed. 4 Within approximately 2 hours, pressure will start to build in the RO Filter System. Carefully inspect all connections and fittings while this pressure buildup occurs. 5 Check for leaks. If leaks are found, fix by ensuring all tubing is cut squarely and fully inserted. Also confirm there are no scratches, dents or notches at tubing end. If there are, squarely cut 1” off and re-insert. Purge 1 Open RO faucet and let water flow through system for 24 hours. Note: Flow rate will be slow during this time. 2 Close RO faucet after purge is complete. Note: Your RO Filter System is ready for use when purge is complete, however, you will not have filtered water immediately. It takes 1 – 3 hours to completely fill the tank. The flow rate will be less than your kitchen faucet. Water will run to the drain while the RO Filter System is filtering water – even when not in use. This is normal. Water going to drain will stop automatically when tank is at capacity. 9
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