Ventless Washer/Dryer Combo LG SIGNATURE WashCombo™ All-in-One 5.8 cu. ft. Mega Capacity with Dual Inverter Heat Pump Technology, Built-In Intelligence, ezDispense® and Touch LCD Control
Coming Soon
Coming Soon
Ventless Washer/Dryer Combo LG SIGNATURE WashCombo™ All-in-One 5.8 cu. ft. Mega Capacity with Dual Inverter Heat Pump Technology, Built-In Intelligence, ezDispense® and Touch LCD Control
WM9998HBA
Coming Soon
Coming Soon
Key features
- Load, set and go—run a wash & dry cycle in as fast as 89 minutes, with no need to transfer laundry¹
- The largest front load all-in-one unit with heat pump technology² helps you power through laundry
- Space-saving 2-in-1 configuration, ventless design and standard 120v plug for flexible installation
- Dual Inverter Heat Pump technology delivers energy efficiency—using up to 52% less energy³
- Built-in intelligence takes out the guesswork—AI technology selects optimal wash/dry settings
- Intuitive 7" LCD touchscreen simplifies laundry and perfectly complements the modern design
- Get the ThinQ® app to access smart functions, ThinQ Care™ alerts and download new ThinQ UP™ features
Specifications
Dryer Programs
Laundry Appliance Capacity
Summary
Energy
Washer Programs
Fabric Care Features
Laundry Appliance Convenience Features
Laundry Appliance ThinQ® Smart Features
Motor
Materials and Finishes
Power Source
Options/Accessories
Dimensions
Warranty & UPC
See All
Dryer Programs
Dry Modes
Energy, Normal
Dryer Programs
Dry Modes
Energy, Normal
Laundry Appliance Capacity
Capacity
5.8
Summary
Product Color
Brushed Black Steel (B)
Dial-A-Cycle™
No
Full Touch Electronic Control Panel with LED Display
No
Hard Buttons
No
Matching Dryer
DLEX9900B/DLGX9901B
Series
LG SIGNATURE
Steam
Yes
Touch Buttons
Yes
Type
Front Load Washer & Dryer Combo
Energy
CEE Tier
Tier3
CEF
7.6
ENERGY STAR® Most Efficient
Yes
ENERGY STAR Certified
Yes
IMEF
3.2
IWF
2.6
Washer Programs
No. of Washer Programs
31
Washer Programs
Activewear, Hand / Wool, XL Load, Rinse & Spin, Bedding, Blanket Refresh, Color Care, Delicates, Dresses, AI Wash & Dry, Allergieneᵀᴹ, Heavy Duty, Jeans, Kids Wear, Large Load, Normal, Perm. Press, Quick Wash, Down Jacket Refresh, Sanitary, Small Load, Spin Only, Overnight Care, Air Dry, Sweat Stains, Swimwear, Towels, Tub Clean, Timed Dry, Quick Tub Rinse, BrightWhitesᵀᴹ
No. of Washer Options
20
Washer Options
Cycle List Edit, Cycle Optimization, Delay Start, Detergent Level, Drum Light, Signal, Control Lock, Softener Level, Softener Tank Use, TurboWash®, Wrinkle Care, Cold Wash, Pre-dry Spin, Extra Rinse, Damp Signal, Pre-wash, Remote Start, Steam, Dry Start Signal, Wi-Fi
No. of Wash/Rinse Temps
5
Wash/Rinse Temps
Extra Hot, Hot, Warm, Cold, Tap Cold
No. of Spin Speeds
5
Spin Speeds
Extra High, High, Medium, Low, No Spin
Water Levels
Load Sensing
No. of Soil Levels
5
Fabric Care Features
Turbowash®
Yes
Turbowash® Type
Turbowash® 360°
AI DD®
Yes
Soil Level Sensor
Yes
Allergiene™ Cycle
Yes
ColdWash™ Option
Yes
Sanitary Cycle
Yes
Steam Technology
Yes
Laundry Appliance Convenience Features
Dispenser
ezDispense cartridge (Detergent, Softener)
Auto Suds Removal
Yes
Control Lock
Yes
Drum Light
Yes
End of Cycle Signal
Yes
Leveling Legs
Yes
LoadSense
Yes
True Balance® Anti-Vibration System
Yes
Laundry Appliance ThinQ® Smart Features
Energy Monitoring
Yes
NFC Tag On
No
Remote Start and Cycle Monitor
Yes
SmartDiagnosis™ (v3.0)
Yes
ThinQ Care™
Yes
Tub Clean Coach
Yes
Wi-Fi
Yes
ThinQ UP™
Yes
Motor
Axis
Horizontal
Max RPM
1300
Motor Type
Inverter Direct Drive Motor
Materials and Finishes
All Available Colors
Brushed Black Steel (B)
Cabinet
Painted Steel
Control Panel
X (Cabinet Cover One Piece)
Door / Rim
Glass/Chrome
Door Cover
Tempered Glass Door
NeveRust™ Stainless Steel Drum
Yes
Top Plate
VCM
Power Source
Washer Electrical Requirements
120V, 12 Amps
Ratings
UL Listed
Washer Power Source Type
Electric
Options/Accessories
LG Sidekick™ Pedestal Washer
WD405CB
Pedestal
WDP8B
Stacking Kit
N/A
Dimensions
Carton (WxHxD)
31 3/8" x 44 3/4" x 33 3/4"
Depth with Door Open
54 1/4"
LG Sidekick™ Pedestal Washer (WxHxD)
29" x 14 1/8" x 30 7/8" (52 3/4" with drawer open)
Pedestal (WxHxD)
29" x 13 5/8" x 29 1/2" (44 3/4" D with door open)
Product (WxHxD)
29" x 40 3/4” x 31 1/8”
Weight (Carton)
280.0 lbs/127kg
Weight (Product)
263.0 lbs/119.3kg
Width
29"
Warranty & UPC
Direct Drive Motor
10 Years
Drum
3 Years
Parts and Labor
2 Years
UPC
195174129319
Community Q&A
Limited Warranty & Support
1Cycle time may vary depending on load type, weight and environment. Based on internal testing on WM9998 model in Quick Wash+Dry cycle, 10 lb. DOE standard load (January 2026).
2Based on manufacturer's published specs of front load combos with heat pump technology (March 2026).
3Based on internal testing on WM9998 model comparing LG conventional heater combo (WM3998) in Dry cycle, 8.45 lb. DOE standard load with 57.5% initial moisture content (January 2026). The results may vary depending on load type, weight and environment.
Images may be simulated and dramatized for illustrative purposes. Actual features, functionality, and other product specifications may differ and are subject to change without notice. Prices, promotions, and availability may vary by model, store, and online. Prices subject to change without notice. Quantities are limited. Check with your local retailers for their final price and availability.
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