How do I change the membrane on reverse osmosis systems?
Before starting, shut off the cold water supply to the reverse osmosis system. If changing your reverse osmosis filters, lift the handle on the reverse osmosis faucet to drain out the storage tank completely and allow the system to stand for 10 minutes in order to fully decompress the tank. Some of the reverse osmosis water should be saved in a pitcher or clean bucket for cleaning and rinsing.

1. Disconnect the GREEN tube from the membrane housing.
2. Unscrew the large end of the membrane housing.
3. Slide out the used membrane and discard.
4. Clean and flush out the inside of the membrane housing using reverse osmosis water.
5. Insert new membrane, making sure it is fully seated into the bottom end.
6. Screw cap back onto the housing, making sure "O" ring is still in place. The "O" ring may need to be lubricated with a water-soluble lubricant.
7. Re-connect the GREEN tube.
8. Follow the Sanitization Procedure for Start Up.
9. If the system is only used infrequently, drain the tank at least once a week.

Caution: The membrane in your reverse osmosis system is treated with a biocidal solution to prevent and retard the growth of bacteria. Please use care when handling and make sure not to drink water from the first tank produced after membrane replacement.

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