LG

LG DLEX3900B 7.3 cu. ft. Electric Dryer: Steam, Black Steel

3.5 (3 reviews)

Fits your standard 27-inch laundry opening and existing 240V hookup — TurboSteam and Sensor Dry replace guesswork with precision drying every cycle.

$849.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The LG DLEX3900B is a 7.3 cu. ft. front-load electric dryer built for households running consistent, heavy laundry loads. It drops into standard 27-inch laundry spaces and connects to a 240V/30-amp circuit, making it a direct swap for most existing dryer installs. TurboSteam requires a cold water hookup — if your laundry room isn't plumbed, that feature is off the table without additional work. Fourteen drying programs, 12 options, and temperature settings from Ultra Low to High cover everything from performance fabrics to heavy denim without running a separate delicate cycle.

The aluminized alloy steel drum resists odor buildup better than plastic alternatives and holds up to long-term use without warping. EasyLoad door design allows single-handed loading during high-volume sessions. WiFi through the ThinQ app is genuinely useful — not a gimmick — for remote start and energy monitoring over time. FlowSense is the feature that earns its keep: a blocked dryer vent is both an efficiency killer and a fire risk, and getting a warning before it becomes a problem is worth more than it sounds. ENERGY STAR certification keeps operating costs reasonable across years of regular use.

Key Features

7.3 Cu.ft. Capacity

TurboSteam Technology

EasyLoad Door

Specifications

Capacity
7.3 cu. ft.
Type
Front Loading, Vented
Steam Technology
TurboSteam™
Door Style
EasyLoad™
Number of Programs
14
Number of Options
12
Temperature Settings
High, Med.High, Medium, Low, Ultra Low
Drying Levels
Very Dry, More Dry, Normal Dry, Less Dry, Damp Dry
Drum Material
Aluminized Alloy Steel
Smart Features
ThinQ® Technology, WiFi with Energy Monitoring, ThinQ Care
Sensor Dry
Yes
Duct Clogging Indicator
FlowSense™
SmartDiagnosis™
Yes
ENERGY STAR®
Qualified
Color
Black Steel
Dimensions (W × H × D)
27" × 44¼" × 29½" (50¼" D with door open)

Pros & Cons

👍 Pros

  • 7.3 cu. ft. drum handles king-size comforters and bulk loads without splitting across multiple cycles
  • Sensor Dry detects moisture and ends the cycle automatically — no over-drying, no timer guesswork
  • TurboSteam refreshes garments and reduces wrinkles in minutes without a full rewash
  • FlowSense duct indicator warns before a clogged vent becomes a fire hazard or efficiency loss
  • ThinQ WiFi connectivity enables remote start and real-time energy monitoring from your phone

👎 Cons

  • Power cord not included — budget for a 4-prong 240V cord and don't assume the old one will fit
  • TurboSteam requires a plumbed cold water line, restricting placement to spaces that already have water supply
  • At 44¼" tall, confirm overhead clearance in your laundry space before delivery, especially in low-ceiling closets
  • Steam adds mechanical complexity — more components than a dry-only unit means additional potential failure points over years of use

Frequently Asked Questions

Fitment is standard — the DLEX3900B is 27" wide x 44¼" tall x 29½" deep, matching most residential laundry closets and alcoves. Confirm you have 50¼" of depth clearance with the door swung open before you take delivery.
TurboSteam requires a plumbed cold water connection. If your laundry area isn't already piped for water, the steam functions won't be available without adding a supply line — factor that into your install plan.
It connects to a standard 240V, 30-amp circuit — no rewiring needed if your existing hookup is code-compliant. Note that the power cord is not included; you'll need a 4-prong 240V dryer cord purchased separately.
Two people and basic tools — the job involves connecting the vent duct, running the power cord, and leveling the unit. If you're swapping out an existing front-loader the process is straightforward. First-time dryer installs may need a licensed electrician for the outlet if it isn't already in place.
The DLEX3900B is designed to pair with compatible LG front-loaders using a stacking kit sold separately. Verify your washer model is on LG's compatibility list before buying the kit — not all LG washers are rated for this unit.