It’s easy to let a refrigerator’s water filter slide well past its replacement date since nothing dramatic happens right away. But a filter that’s been in service too long gradually restricts flow, and the symptoms often get mistaken for a dispenser or ice maker malfunction.
The General Guideline
Most manufacturers recommend replacing the filter roughly every six months under typical household use, though heavy dispenser use or notably hard water can shorten that interval meaningfully.
Signs Your Filter Is Overdue
A noticeably slower water dispenser, ice cubes that come out smaller or oddly shaped, or a faint change in taste or odor from the dispensed water are all common signs the filter has reached the end of its useful life.
Don’t Run Without One
Some models require a filter cartridge (or a bypass plug) to be seated correctly for the water and ice system to function at all — removing it without an approved bypass can cause an air lock in the line rather than simply skipping filtration.
What to Do If Replacing It Doesn’t Help
If dispenser flow is still weak after a fresh filter, the issue is likely a restricted inlet valve or line rather than the filter itself. Visit our JennAir refrigerator repair page to book a diagnostic.