Replace RO pre-filters
Why it matters
Pre-filter neglect clogs the membrane and kills its lifespan before 2 years.
Stop forgetting to do this.
Hearth generates a personalized maintenance schedule so you never miss another replace ro pre-filters.
How to do it
- 1
Locate the sediment and carbon pre-filter housings under the sink.
- 2
Turn off the feed-water supply to the RO system.
- 3
Use a filter wrench to unscrew each pre-filter housing.
- 4
Remove old cartridges and dispose of them.
- 5
Install new sediment and carbon cartridges with clean O-rings.
- 6
Turn water back on and flush for 2 minutes.