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Quick answer
LG’s current dryer drainage guidance gives a general 2.1 m hose length and allows up to two hoses when one is an extension, but drainage connection methods vary by dryer model and capacity. Keep the hose unkinked and gently falling to the drain, and use the guide’s 1 m height limit unless the exact model manual says otherwise. If an E13/DRN/OE condition appears after extending the hose, the added resistance may be the problem; return to the model-approved standard hose or arrange service instead of adding more length.

Work through in order
Diagnostic checks
Use only checks that match the exact appliance or system and its official guide.
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Check 1
Identify how the dryer is meant to drain: check whether your model uses a water container or a direct drain hose, and locate the rear connector without turning it.
Expected result: The dryer has a container-only setup, a direct-drain connector, or a connector arrangement that does not match the generic guide.
Next step: Use the exact model installation instructions. If direct drainage is difficult for that model, retain the water-container method rather than forcing a hose connection.
Why this matters
Why: LG says drainage methods differ by model and capacity; a generic hose length cannot establish compatibility with a different connector.
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Check 2
Measure the planned hose route from the dryer connector to the drain and separately measure the highest point of the hose above the dryer base.
Expected result: The route fits within the general 2.1 m hose guidance, needs one extension, or would require multiple extensions/high routing.
Next step: Use no more than the model-approved configuration; do not infer that multiple extensions or a greater height are safe just because the hose reaches the drain.
Why this matters
Why: LG’s extension guide states one hose is 2.1 m, allows up to two hoses including one extension, and gives a 1 m height limit for a higher drain location in that guide.
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Check 3
Route the hose with a gentle fall into the drain, checking the visible run for kinks, twists, crushed sections, a submerged end, or an upward loop.
Expected result: The hose is pinched/twisted/too high/submerged, or the route is open and gently falling.
Next step: Correct only the visible routing and secure the end over a hard, even surface. If the path is already clear, continue to the model-specific extension decision.
Why this matters
Why: LG identifies these conditions as restrictions that can prevent condensed water from draining properly.
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Check 4
If a short hose must be extended, use the LG connector and a compatible extension described by the exact model guidance, and secure the joined end against leakage.
Expected result: The extension is one of two total hoses and the connector seats fully, or the connector/length does not match the model documentation.
Next step: Stop if the connector will not seat, the hose must be forced, or the installation is stacked/tight; ask an LG service technician or installer to complete it.
Why this matters
Why: LG publishes an extension procedure, but also states that connector locations and hose arrangements vary by model; a generic part or extra length is not established.
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Check 5
If the dryer shows E13, DRN, or OE, first empty and reseat the water container if fitted, then inspect the hose for restriction and consider whether the extension was added before the error began.
Expected result: The error clears after the container/routing check, or it returns with the hose extended.
Next step: Do not add another extension. Return to the standard/model-approved hose arrangement and request service if the error persists.
Why this matters
Why: LG says E13 is specific to Hybrid Condensing Dryers and that an extended hose can increase resistance; its DRN/OE guidance also treats a full container or restricted hose as a drainage cause.
Use your observations
Decision map
Find the observation that best matches what you see, then follow the next safe action.
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PATH 01Next step
What you see
The hose is merely too short, with no drain error and a model guide that permits an extension.
Do this next
Use the LG connector and secure the joined hose; verify the exact manual before installing.
Why this path and its safety boundary
Why it matters: The current LG extension guide allows one extension, making two hoses total, with the stated 2.1 m base-hose and 1 m height guidance.
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PATH 02Next step
What you see
E13/DRN/OE appears after extending the hose or the dryer still stops with water remaining.
Do this next
Restore the standard/model-approved hose route, check the container and visible hose, and request service if the condition returns.
Why this path and its safety boundary
Why it matters: Added hose resistance or a restricted/high route may be preventing drainage; the extension itself is not proof of a pump failure.
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PATH 03Next step
What you see
The dryer’s exact model uses a different connector, a container-only method, or has no drain hose by design.
Do this next
Follow the exact model manual and use the container method or approved hose arrangement; do not improvise a connector.
Why this path and its safety boundary
Why it matters: The generic extension dimensions do not establish a compatible installation for that model.
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PATH 04Next step
What you see
The hose or connector leaks, the rear fitting is damaged, or access requires moving a stacked/tightly enclosed dryer.
Do this next
Stop the dryer, isolate water/residual drainage safely, and use a qualified LG service technician or installer.
Why this path and its safety boundary
Why it matters: This is an installation/property-damage risk rather than a simple length adjustment.
Helpful context
Understand the symptom
Length is only one part of the drainage fit
LG dryers do not all use the same drainage connection. Some collect condensed water in a container, while others can connect to a drain hose; LG says the connection method varies by model and capacity. The 2.1 m and one-extension guidance is useful for planning, but the exact model manual and the dryer’s actual drainage symptom decide whether an extension is appropriate.
Prepare the dryer before changing the hose
Turn the dryer off and disconnect power before changing a rear hose or connector. Keep the drain end over a hard, even surface, prevent leaks, and do not twist the connector itself. If the dryer is stacked or access is too tight, LG directs the owner to a service technician.
Match the route to the symptom
A short hose with no drainage error is an installation-length question. A DRN/OE or E13 condition after an extension is a flow-resistance question; adding more hose can worsen it. Use the standard/model-approved hose and service path rather than treating 2.1 m as a universal guarantee.
When checks do not resolve it
Need a professional?
Stop use and arrange qualified service for a leak, damaged connector, recurring E13/DRN/OE after the model-approved external checks, a stacked/tight installation that requires moving the dryer, or any hose arrangement not confirmed by the exact model instructions.
Common questions
FAQ
How long is an LG dryer drain hose?
LG’s extension guide states that one drain hose is 2.1 m. It says up to two hoses, including one extension hose, can be installed in that guide. The exact model manual still controls the connector and arrangement.
Can I keep adding extensions until the drain reaches the wall?
No. LG’s guide allows one extension in the stated configuration, while its E13 guidance warns that an extended hose increases resistance. Do not add more hose without model-specific approval.
What height can the dryer drain hose reach?
The current general direct-drain guide says the drain hole should be no more than 1 m above the dryer base for the illustrated configuration. Check the exact manual before relying on that value for another model or capacity.
Why does the dryer show E13 after the hose was lengthened?
LG says E13 applies to Hybrid Condensing Dryers and can involve a kinked, crushed, clogged, or extended hose; the added length can increase resistance. Return to the standard/model-approved hose and request service if the error persists.
Read the exact guide
Official sources
- LG Dryer - Error Code List(New)LG Electronics USA · LG dryer drainage errors and external hose/container checks
- [LG Dryer drain hose] I want to extend the drain hose.LG Electronics USA · LG dryer drain-hose extension guidance, including hose count, length, and height in the guide
- [LG dryer drainage] I would like to replace the drain hose.LG Electronics USA · LG dryer drain-hose replacement, model-varying connector locations, routing, and service boundary
- [LG Dryer Water Drainage] I want to switch the dryer water drainage method(from water container to direct drainage)LG Electronics USA · LG dryer water-container versus direct-drain setup and model/capacity-specific routing
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