LG LT700P refrigerator water filter
Common LG filter family. Match the filter housing label or refrigerator model number before ordering.
$25-$65
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LG refrigerator water filter replacement is mostly a model-match problem. Do not order from the refrigerator brand name alone. Check the old filter, the filter housing label, or the full LG model number first, then match the filter family exactly.
Quick Filter Match
| Filter family | What to check first | Common symptom if wrong |
|---|---|---|
| LT700P | Old filter or housing label | Won’t twist in or leaks at housing |
| LT800P | Model tag and manual | Locks in poorly or has no water |
| LT1000P | Newer French-door model list | Fits loosely or bypass does not set |
| Bypass plug | Model supports bypass use | Housing leaks with no filter |
Replacement Steps
- Find the full refrigerator model number on the fresh-food wall or door frame label.
- Compare the old filter number with the filter housing label.
- Turn the old filter slowly and keep a towel under the housing.
- Seat the new filter fully, then lock it until it stops.
- Flush several cups of water through the dispenser to clear air and carbon dust.
- Reset the filter light from the refrigerator control panel.
- Watch the housing and dispenser for leaks during the first few minutes.
If Water Is Slow After the Filter Change
Slow dispenser flow usually means the filter is not seated, the water line has air in it, or the supply valve is only partly open. Remove and reinstall the filter once. If the flow improves with the old filter or bypass plug, the new filter is likely restricted or not the right family for the housing.
If water is still slow with the correct filter, check the home supply valve and refrigerator water inlet valve. Replace the valve only after the filter, supply line, and saddle valve are ruled out.
Parts to Price Before You Open the Fridge
- LG LT700P refrigerator water filter
- LG LT800P refrigerator water filter
- LG LT1000P refrigerator water filter
- LG refrigerator water filter bypass plug
- LG refrigerator water inlet valve
When to Call Service
Call for service if the filter housing is cracked, the dispenser leaks inside the door, the ice maker fill tube is frozen, or the refrigerator has no water even with a confirmed open supply valve and the correct filter installed.