Filter Replacement 1 Close angle valve located on cold water supply hose to shut off water supply to the RO Filter System. 2 Turn cartridge from right to left until unit releases. Gently pull down to remove from head. Discard used cartridge. Note: Place a bucket or pan under system to catch any water drips. 3 Hold new cartridge with label slightly facing left. The two nozzles on top of cartridge should be toward the back of the Filter System, and the two extended flanges should be out to each side. Note: Part No. SMFPP2005TL should be in stage 1, Part No. SMF CBC2005TL should be in stages 2 and 4, and Part No. ROTWRM75 should be in stage 3. 4 Lift cartridge straight up into the manifold until the two nozzles seat into the manifold ports, and the two extended flanges are flush with the manifold. 5 Turn cartridge from left to right until it stops. 6 Turn on cold water shut-off valve and RO faucet. Check for leaks. 7 Pressure test and Purge per Step Eight. 10
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