Replace reverse osmosis membrane
Why it matters
A degraded RO membrane fails silently; homeowners trust RO systems, so contaminated water goes undetected.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another replace reverse osmosis membrane.
How to do it
- 1
Locate the RO filter housing under the kitchen sink.
- 2
Turn off the feed-water supply to the RO system.
- 3
Unscrew the old membrane cartridge by hand or with a wrench.
- 4
Install the new membrane, ensuring O-rings are clean and seated.
- 5
Turn the feed-water supply back on.
- 6
Flush the system with waste water for 5 minutes before drinking.