Owner’s manual
Error Codes
How do I know what water filter to get for my LG refrigerator?
For LG model LTWS24223S, the correct water filter is the one specified for your exact model and filter housing; on this model page, the matching replacement is the LT500P style filter: LG lt500p refrigerator water filter ADQ72910911. For confirmation, match the filter part number printed on your current filter and check the LTWS24223S owner's manual.
- Check the label on the existing filter (usually shows an LG filter code such as LT500P).
- Match by model number: LTWS24223S (use the full model number, not a partial).
- Compare the filter’s shape and end-cap style to your current one.
- If your water flow is slow or tastes off, replace the filter before troubleshooting other parts.
- After installing, flush the system to clear air and carbon fines.
| What you’re matching | What to look for | What we recommend |
|---|---|---|
| Filter “type” name | LT500P | LT500P style |
| Sears PartsDirect part ID | ADQ72910911 | LG lt500p refrigerator water filter ADQ72910911 |
| When to replace | About every 6 months (typical) | Replace sooner with heavy use or poor water quality |
- Install the filter fully seated and locked.
- Dispense and discard several gallons of water (or run water for a few minutes) to purge air.
- If your refrigerator has a filter indicator, reset it using the steps in the LTWS24223S owner's manual.
Using the correct LG water filter for LTWS24223S protects the water inlet valve and ice maker from sediment, keeps water tasting clean, and helps maintain normal dispenser flow.
Last updated: February 2026
Is it okay to use a generic water filter in an LG refrigerator?
Yes, it’s okay to use a generic (third-party) water filter in an LG refrigerator like model LTWS24223S as long as the filter is specifically listed as compatible with your exact model and installs without forcing. A poor fit can cause leaks, low water flow, or reduced filtration performance.
- Match the filter to the refrigerator model number (LTWS24223S), not just the brand.
- Choose a filter that lists NSF/ANSI certifications appropriate for drinking water filtration.
- Replace the filter on schedule (most households do it about every 6 months, sooner with heavy use).
- After installing, flush several gallons of water to clear carbon fines and air.
- If you notice dripping, remove the filter and reinstall it; confirm it locks in fully.
If you want the model-matched OEM option, the listed filter for this refrigerator is LG lt500p refrigerator water filter ADQ72910911.
| Feature | OEM (model-matched) | Generic/compatible |
|---|---|---|
| Fit and seal | Consistent | Varies by brand and batch |
| Filtration claims | Clear and consistent | Must verify certifications |
| Risk of leaks/flow issues | Lower | Higher if not truly compatible |
| Cost | Usually higher | Often lower |
- Slow dispenser flow: confirm the filter is fully seated; flush more water; check for a kinked supply line.
- Bad taste/odor: flush additional water; replace if the filter is old or improperly stored.
- Leaks at the filter head: remove and reinstall; inspect the filter O-rings for damage; do not overtighten.
Your refrigerator water filter affects taste, odor, and sediment reduction, but it also has to seal correctly. On LTWS24223S, a filter that does not lock in cleanly can introduce air, reduce ice maker fill, or cause water to drip inside the fresh food compartment.
For step-by-step guidance, use how to replace the water filter in an LG refrigerator and your LTWS24223S owner’s manual.
Last updated: February 2026
Is it really necessary to replace a refrigerator water filter?
Yes. For the LG LTWS24223S top-mount refrigerator, replacing the water filter on schedule keeps water tasting clean and helps maintain normal dispenser and ice maker flow. Most households replace the filter about every 6 months, or sooner if water flow slows or taste and odor change.
- Every 6 months for typical use
- Sooner if the dispenser flow rate drops
- If ice cubes get smaller or production slows
- If water tastes or smells different
- After plumbing work, a boil-water advisory, or long periods without use
For model-specific filter location and reset steps, follow the LTWS24223S owner's manual.
This model uses an LG LT500P-style water filter. On Sears PartsDirect, the matching part is:
- LG lt500p refrigerator water filter ADQ72910911 (part number 5231JA2002A)
| If you notice | What it usually means | What to do |
|---|---|---|
| Slow water dispensing | Filter media is clogged with sediment | Replace the filter, then flush water |
| Odd taste or odor | Filter is exhausted or water quality changed | Replace the filter |
| Cloudy water after change | Air in the line or carbon fines | Flush several gallons |
| Ice maker issues | Restricted water supply through filter | Replace filter; check supply valve |
A water filter is a wear item. As it loads up with sediment and contaminants, it can restrict water flow and reduce filtration performance. Staying on a regular replacement schedule helps protect water quality and prevents nuisance issues like slow dispensing and weak ice production.
- Install the new filter fully seated and locked
- Dispense and discard several gallons of water to flush the system
- Dump the first bin or two of ice
- Reset the filter indicator (if your model has one) using the steps in the manual
For step-by-step guidance, use how to replace the water filter in an LG refrigerator.
Last updated: February 2026
