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3.8 | 18 Reviews

7.4 cu.ft. Smart wi-fi Enabled Electric Dryer with TurboSteam™

LG DLEX3900B

Available in 2 Color(s)

Features

  • 7.4 cu. ft. Ultra Large Capacity
  • TurboSteam™ Technology
  • ThinQ® Technology
  • Sensor Dry

Quick Specs

  • Type: Dryer
  • Fuel: Electric
  • Style: Front Loading
  • Width: 27"
  • Height: 38 11/16"
  • Depth: 30"
  • Energy Star Rated: Yes
  • Laundry Capacity: 7.4 cu. ft.
  • High Efficiency: No
  • Steam Cycle: Yes

See More

 
Image Feature

De-wrinkle clothes in less time

LG's TurboSteam™ technology generates steam instantly, so reducing wrinkles and odors is a breeze. That means you can get your favorite shirt back in tip-top shape in just 10 minutes.

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Get It Dry the First Time

Our Sensor Dry system measures the moisture levels during the cycle and automatically adjusts the drying time to help ensure you get dry laundry every time.

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Keep Clothes Wrinkle Free

Always forgetting to remove your laundry? No problem. Choosing the Wrinkle Care option periodically tumbles your laundry to keep clothes wrinkle free.

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Warranty / Certifications

ENERGY STAR™ Certified

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Fits in More Places

Get extra capacity without taking up extra space, thanks to a 30" depth that easily fits into smaller spaces or second floor closets.

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Measure First, Order Right.

Nothing is more frustrating than an appliance that doesn't fit. We'll help you find the right one for your space. watch the Full Movie with Audio Descriptions Watch the Full Movie

Image Feature

Get It All Done in Less Time

Ultra-large capacity (7.4 cu.ft.) means you have the room to do more laundry in fewer loads.

Image Feature

Life's better when your home runs smart

Discover ThinQ Care within the ThinQ app -- proactive smart alerts to keep your appliances running smoothly. Get notifications about usage, maintenance, plus early diagnosis right on your smartphone. SHOW ME MORE

De-wrinkle clothes in less time LG's TurboSteam™ technology generates steam instantly, so reducing wrinkles and odors is a breeze. That means you can get your favorite shirt back in tip-top shape in just 10 minutes.

Get It Dry the First Time Our Sensor Dry system measures the moisture levels during the cycle and automatically adjusts the drying time to help ensure you get dry laundry every time.

Keep Clothes Wrinkle Free Always forgetting to remove your laundry" No problem. Choosing the Wrinkle Care option periodically tumbles your laundry to keep clothes wrinkle free.

Warranty / Certifications ENERGY STAR™ Certified

Fits in More Places Get extra capacity without taking up extra space, thanks to a 30" depth that easily fits into smaller spaces or second floor closets.

Measure First, Order Right. Nothing is more frustrating than an appliance that doesn't fit. We'll help you find the right one for your space. watch the Full Movie with Audio Descriptions Watch the Full Movie

Get It All Done in Less Time Ultra-large capacity (7.4 cu.ft.) means you have the room to do more laundry in fewer loads.

Life's better when your home runs smart Discover ThinQ Care within the ThinQ app -- proactive smart alerts to keep your appliances running smoothly. Get notifications about usage, maintenance, plus early diagnosis right on your smartphone. SHOW ME MORE

Features

  • 7.4 cu. ft. Ultra Large Capacity
  • TurboSteam™ Technology
  • ThinQ® Technology
  • Sensor Dry
  • FlowSense™ Duct Clogging Indicator
  • ENERGY STAR® Certified
CAPACITY
Capacity 7.4 cu. ft.
CONVENIENCE FEATURES
3 Minute Installation Check Yes
4 Adjustable Legs Yes
Child Lock Yes
Drum Light Yes
End of Cycle Signal Yes
FlowSense™ Duct Clogging Indicator Yes
LoDecibel™ Quiet Operation Yes
Remaining Time Display/Status Indicator(s) Yes
Reversible Door Yes
Venting Option 4 Way Venting
Wrinkle Care Option Yes
DIMENSIONS
Carton (WxHxD) 29 19/32" x 43 3/8" x 31 3/8"
Pedestal (WxHxD) 27" x 13 5/8" x 28" (43 7/8" D with door open)
Product (WxHxD) 27" x 38 11/16" x 30"
Weight (Carton) 136.2 lbs
Weight (Product) 123 lbs
Width/Dimension 27
DRYER PROGRAMS
Drying Levels Damp Dry, Less Dry, More Dry, Normal Dry, Very Dry
Manual Dry Times 20 min., 30 min., 40 min., 50 min., 60 min., More Time/Less Time
No. of Programs 14
Programs ControlLock, CustomProgram, DampDrySignal, EnergySaver, LessTime, MoreTime, PGMSave, ReduceStatic, RemoteStart, TurboSteam™, wifi, WrinkleCare
Programs (Sensor Dry) Air Dry (Manual Dry), Anti Bacterial, Bedding, Delicates, Downloaded, Heavy Duty, Normal, Perm.Press, Small Load, Speed Dry (Manual Dry), Sportswear, SteamFresh™, SteamSanitary™, Towels
Temperature Settings High, Medium High, Medium, Low, Ultra Low
ENERGY
CEF 394
ENERGY STAR® Qualified Yes
FABRIC CARE FEATURES
Precise Temperature Control with Variable Heater Yes
Sensor Dry Yes
Steam Yes
MATERIALS AND FINISHES
All Available Colors Black Steel , White (W)
Aluminized Alloy Steel Drum Yes
Cabinet Painted Steel
Door Round w/ Chrome trim
Tub Rear Painted
OPTIONS
LP Conversion Kit LPK1
Pedestal WDP4B
Side Venting Kit 383EEL9001B
POWER SOURCE
BTU Rating 10000
Electrical Requirements 240V, 30 Amps
Ratings CSA Listed
Type Electric
SUMMARY
Dial-A-Cycle™ Yes
Intelligent Electronic Controls with LED Display Yes
Matching Washer WM3900HBA
Touch Buttons Yes
Vent Type Vented
THINQ® TECHNOLOGY
LG ThinQ AI Yes
Cycle Monitoring and Notification Yes
Energy Monitoring Yes
Remote Start and Cycle Monitor Yes
SmartDiagnosis™ Yes
Wifi Yes
WARRANTY/UPC
Parts & Labor 1 Year
UPC 048231026437

Quick Specs


  • Appearance

  • Type: Dryer
  • Fuel: Electric
  • Style: Front Loading

  • Dimensions

  • Width: 27"
  • Height: 38 11/16"
  • Depth: 30"

  • Features

  • Energy Star Rated: Yes
  • Laundry Capacity: 7.4 cu. ft.
  • High Efficiency: No
  • Steam Cycle: Yes

Specifications Sheet

Owner's Manual English 7,567K 07/27/2020

Owner's Manual Spanish 7,945K 07/27/2020

Get Adobe Reader

* Documents require Adobe Reader.

LG ThinQ Care Warranty Promo

Offer Expires: 4/13/2023 to 7/10/2024 Must be postmarked by: 10/10/2024

Purchase a qualifying LG product and register it through ThinQ app to receive a free 1 Year Extension on Manufacturer Warranty, valued up to $185. Rebate form must be postmarked by 10/10/2024.

Interactive Tour

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Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. Some can even cover extra costs that result, such as cost of food that spoils when your fridge dies. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Appliances can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new appliances should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

3.8 out of 5

66% of reviewers recommend this product.

1 Stars

Dropping The Ball

Using a clothes Line 12/15/2023

The review is based on how Best Buy/LG facilitated the basic repair of my dryer. For a big company not to have the proper measures and processes in place to handle a simple issue is beyond me. I would seriously think twice before going ahead with the bigger LG appliances that might need service. Best Buy was a no show on the first appointment and their warranty company was a no show for the second appointment The window in which they gave me was between 8:00-5:00 both days. So I missed 2 days of work and my dryer still isnt repaired I made multiple phone calls to various 800 numbers and was passed on from department to department. All of the customer service was out of the country which made the communication more difficult. They were friendly but could not help me with the dryer. If I operated a business like that I would be out of business. I purchased the product at Best Buy and I feel that they should have been more help. Best buy just passes you on to the warranty service repair company. The final part of this disaster is I received a phone call a few days after both no show appointments and one of their repair shops and they said you are the next stop on the list the tech will be at your house in 15 minutes I said I was at work and why didnt they schedule an appointment with me and the response from the person on the phone was I dont know. The next day I received an email that my repair was completed So the repair shop lied and submitted confirmation that it completed the work Needless to say I would never want a company that lied and said they completed work to be in my house for a repair. My dryer is still not fixed and all I needed was the lint catcher and the casing that it fits into. It is very disappointing.
Originally posted on lg.com

No, I do not recommend this product

3 Stars

Worked okay

Darur 12/7/2023

I bought this 4 years ago and it worked so for okay. My cloths got teared some of them and had holes for some of them. My drum is broken now
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
1 Stars

Dropping the ball with a great customer

Using a clothes Line 11/21/2023

The review is based on how LG/Best Buy facilitated the basic repair of my dryer. For a big company not to have the proper measures and processes in place to handle a simple issue is beyond me. I would seriously think twice before going ahead with the bigger LG appliances. LG was a no show on the first appointment and their warranty company was a no show for the second appointment The window in which they gave me was between 8:00-5:00 both days. So I missed 2 days of work and my dryer still isnt repaired I made multiple phone calls to various 800 numbers and was passed on from department to department. All of the customer service was out of the country which made the communication more difficult. They were mostly friendly but could not help me with the dryer. If I operated a business like that I would be out of business. I purchased the product at Best Buy and I feel that they should have been more help. Best buy just passes you on. The final part of this disaster is I received a phone call a few days after the no show appointments and one of their repair shops and they say you are the next stop on the list the tech will be at your house in 15 minutes I said I was at work and why didnt they schedule an appointment with me and the response from the person on the phone was I dont know. The next day I received an email that my repair was completed So the repair shop lied and put in an order that it completed the work Needless to say I would never want a company that lied and said they completed work to be in my house. My dryer is still not fixed and all I needed was the lint catcher and the casing that it fits into.
Originally posted on lg.com

No, I do not recommend this product

4 Stars

The Perfect Pair

Maria_SFEB 11/5/2023

I like my washer/dryer stackable combo. The couple have a great profile and work seamlessly together. Both have wi-fi and preprogrammed setting that address most needs. But I love the ability to customize as well. Overall Im happy with the purchase and would buy again.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Great Feature Fast Drying ThinQ and Turbo Steam

pave31 11/1/2023

This dryer is amazing It has many features like Turbo Steam and it dries clothes very fast which is very surprising. It also had LG ThinQ so when were out and we leave the dryer on we can check if its finished or turn off It also has an Energy Saver Mode which is very useful. I highly suggest buying this Dryer even though I think its discontinued now but if you can find this dryer anywhere else I highly recommend this Dryer 10/10
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
1 Stars

Do Not Recommend

Elyse20 9/8/2023

Our dryer is currently not working AGAIN. We bought both the washer and dryer 3 years ago and this is the 3rd or 4th time it has quit working and has had to be serviced and of course off of warranty. It has also been very loud essentially since day one. Would not recommend.
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
2 Stars

Ihateappliances 2/2/2023

This dryer has many features but i can not figure out how to change anything and when i do it stops mid cycle or 3 minutes in and quits. The only cycle i have been able to use is tine dry and choose temperature.
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
5 Stars

LG dryer

CathyC22 1/22/2023

I am very happy with the look selections and performance of my LG dryer. My favorite setting is speed dry. I would definitely buy this product again.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Easy to use

Geoffrey N M 1/7/2023

Perfect fit for my Laundry bought without the pedestal and not regretted. Lg is always my to go to brand.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Great Dryer

Sally Malik 1/6/2023

I love this dryer. It has a steam function that is really cool.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

WONDERFUL

DDavies 12/31/2022

Purchased the stackable washer/dryer last month and love it. Does excellent job cleaning my clothes. Very quiet...sometimes I think I forgot to turn it on. Looks very modern.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

So far so good

VBS10 12/21/2022

I bought this dryer 3 weeks ago. So far everything is working well and the Clothes dry well the first time around.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Best decision we have made for any appliances

Diane2022 12/16/2022

We bought this less than a month ago. We have been very happy with all of the features. We would highly recommend this product to our friends and family.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
4 Stars

Eaglebak

Eaglebak 11/30/2022

I bought the dryer almost a year agoI used it every week and it runs fine however after one year it stopped running and I called LG customer service and they were able to fixed it. The problem was was simple the plastic door button was very weakand became loose. I hope that LG would fix this problem.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

The dryer has been awesome so far

Lgwasherguy205 11/15/2022

Ive only had it a few weeks. But love the steam cycle feature.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

nice dryer

SmartLGBuyer 10/20/2022

happy with the dryer. Takes time to understand the settings. The tub light should stay on longer not sure how to control that.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

It was about time

Jaelgarcia 9/27/2022

I searched high and low I read vlogs I compared prices I watched youtube videos I did it all and landed on this model from Costco and will say everything from installation to operation of the machine it was and has been a pleasure using my new investment I look forward to owning this machine for at least 15 years The price was truly affordable and reasonable I felt strong about making sure I followed all the instructions in the manual and must admit that was super easy Absolutely no complaints The lighting the end cycle notice the screen touch display Its like I can just keep going Thank you LG for thinking about the consumer and dedicating time and effort into creating an efficient wroth-owning machine
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
3 Stars

The instructions

Arneygene 9/27/2022

The delivery of my dryer was excellent. However the instructions are hard to find in the first place and then hard to follow. My old dryer had a steam cycle that worked very well on wrinkled clothes. I have yet to find the steam cycle that works as well
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

Features

 

Quality

 

Value