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LG 4.5 Cu. Ft. White Front Load Washer

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Model #: WM3900HWA
Model #: WM3900HWA
Was $1,099.00Save $0.01
LG 4.5 Cu. Ft. White Front Load Washer-0
LG 4.5 Cu. Ft. White Front Load Washer-1
Energy Star Qualified
Low Stock
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Protection Plans

Allstate Protection Plans 3 Year Parts & Labor Warranty $1000 - $1499.99


Allstate Protection Plans 5 Year Parts & Labor Warranty $1000 - $1499.99


Required for Use

Stainless Steel Washer Hose 2 Pk


Washer Hose Rubber 5ft 2pk


Delivery Services

Expert Delivery


Installation Services



Pedestal Installation (For Pair)


Stacking Laundry Kit (not available for all washers, call for details)


Optional Accessories

pureWash Pro


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At a Glance

Power through your larger loads in less time with TurboWash™360°. Five powerful jets with variable sprays surround clothes from multiple angles for a complete clean in under 30 minutes. Smart features let you start the washer from the comfort of your couch or automatically reorder detergent so you never run out again. The Allergiene™ cycle uses steam to reduce common household allergens in baby clothes, bedding and more—perfect for asthma or allergy sufferers. Read More

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Get to know this product.

Product Overview
Product Overview
AAFA Certified LG Washers

LG washers with the Allergiene™ Cycle use the power of steam to remove over 95% of pet dander and dust mites.

Power Clean Big Loads in Under 30 Minutes

Five powerful jets with variable sprays surround clothes from multiple angles, so detergent can penetrate deep into fabrics for a complete clean—even for big loads—in under 30 minutes.

Think you can’t do laundry on the go? Think Again.

Expand the limits of your laundry room with the LG SmartThinQ® app. Select a cycle, start or stop the wash and get notifications about when your laundry will be done, all from your smartphone. It even works with the Google Assistant and Amazon Alexa, so you can manage your laundry with simple voice commands.

Deep Clean With Steam

Our steam technology gently but powerfully penetrates fabrics to virtually eliminate dirt, odors and wrinkles.

For Small Loads that Can’t Wait

Whether it’s your kids’ favorite shirt, yoga pants or a school uniform, washing a full load seems wasteful for just a few pieces. Now you can wash small loads that just can’t wait with the LG SideKick™ Pedestal Washer or wash two loads at once to save time.

Get it All Done In Less Time

Ultra-large capacity (4.5 cu.ft.) means you have the room to do more laundry in fewer loads.

ColdWash™ Technology

Using the cold cycle on your washer doesn’t have to mean compromising. ColdWash™ technology uses cold water and enhanced washing motions to penetrate deep into fabrics, giving you cold water savings with warm water performance.

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.

Useful Documents

General Specs

Product Weight (lbs.)202.8
Appliance Fit Width (in.)27
Capacity (cu ft)4.5
Manufacturer Warranty1 Year Parts & Labor
Sanitize OptionYes
Color Finish NameWhite
ADA CompliantNo
Smart CompatibleYes
Commercial Use ApprovedNo
Wifi CapableYes
Steam OptionYes
Total Capacity (cu. ft.)4.5
Smart Home WifiYes
Shipping Depth (in.)31.53
Shipping Width (in.)29.72
Shipping Height (in.)41.84
Type of WasherFront Load
Self CleaningNo
Sensor WashNo
Noise Reducing TechnologyNo
Reversible Door HingeNo
Depth w/Door Open 90 Degrees (in.)55
ENERGY STAR CertifiedYes
Number of Cycles12+
Appliance ColorWhite
Depth (in.)30.25
DrumStainless Steel
Height (in.)39
Max Spin Speed (RPM)1300
Width (in.)27

Key Features

TurboWash™ 360 TechnologyYes
LG SmartThinQ® TechnologyYes
Allergiene™ Cycle / AAFA CertifiedYes
Steam TechnologyYes
LG SideKick™ CompatibleYes
ColdWash™ TechnologyYes


Hard ButtonsYes
Touch ButtonsYes

Wash Programs

14 ProgramsNormal, Heavy Duty, Bedding, Sanitary, Allergiene™, Bright White, Tub Clean, Sportswear, Perm. Press, Delicates, Towels, Speed Wash, Drain+Spin, Downloaded

Wash Options

12 OptionsSteam, Fresh Care, Prewash, Remote Start, Delay Wash, Wi-Fi, Add Garments, TurboWash, ColdWash, Extra Rinse, Rinse+Spin, Control Lock

Wash Details

No. of Wash/Rinse Temps5
Wash/Rinse TempsExtra Hot, Hot, Warm, Cold, Tap Cold
No. of Spin Speeds5
Spin SpeedsExtra High, High, Medium, Low, No Spin
Max RPM1300
Water LevelsLoad Sensing
No. of Soil Levels5

Convenience Features

TrueBalance™ Anti-Vibration SystemYes
4 Tray DispenserPrewash, Main Wash (with liquid detergent cup), Bleach, Fabric Softener
LoDecibel™ Quiet OperationYes
End of Cycle SignalYes
Auto Suds RemovalYes
Leveling Legs4 Adjustable Legs
Easy Loading TilTub™Yes


Motor TypeInverter Direct Drive Motor
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