How To Replace A Faucet For A Reverse Osmosis Filtration Water System (RO)

Watch How To Replace A Faucet For A Reverse Osmosis Filtration Water System (Water Filter Faucet)

Reverse osmosis drinking water filters are most often installed under the kitchen sink out of sight.  The RO faucet is the part of the filter system that is that is exposed and being handled daily.  The faucet is made of metal and because it is constantly getting wet it will slowly begin to corrode.  It is normal to replace a RO faucet every few years just for appearance due to corrosion.  It is also common for the o-rings on the faucet stem to wear out which will cause a small leak where the handle attaches to the RO faucet.

RO faucets come in a wide range of shapes and colors.  It is possible to match RO faucets to most existing kitchen sink fixtures.

To change a RO faucet:

1. Turn off the feed water supply valve to the RO filter.
2. Turn off the storage tank valve.
3. Turn on the RO faucet to release water pressure, then turn RO faucet back off.
4. Remove the tube from the faucet adaptor.
5. Remove the faucet adaptor.
6. Remove the nut and washer from the RO faucet from under the sink.
7. Pull the RO faucet up out of the hole on top of the sink.
8. Install the new RO faucet.
9. Install the faucet adaptor onto the end of the new RO faucet under the sink.
10. Insert the tube back into the faucet adaptor.
11. Turn on the storage tank.
12. Turn on the feed water supply valve to the RO filter.
13. Turn on the RO faucet to purge the tube of air.
14. Turn off the RO faucet.
15. Check for leaks.

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