Smart Top Control Dishwasher with 1-Hour Wash & Dry, QuadWash® Pro, TrueSteam®, and Dynamic Heat Dry™
Model LDTH7972S
Smart Top Control Dishwasher with 1-Hour Wash & Dry, QuadWash® Pro, TrueSteam®, and Dynamic Heat Dry™
Model LDTH7972SQuick Specs
Smart Top Control Dishwasher with 1-Hour Wash & Dry, QuadWash® Pro, TrueSteam®, and Dynamic Heat Dry™ is backordered and will ship as soon as it is back in stock.
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Quick Specs
Keep an Eye on the Clock
Conveniently manage your time with a hidden LED display that counts down the remaining cycle time. When the dishwasher is not in use, the display disappears for a sleek look.
Drier than Ever
Our Dynamic Heat Dry(TM) technology circulates hot air throughout the dishwasher for faster, more complete drying 3 that won't melt your plastics, delivering sparkling, table-ready dishes right off the rack.
Pro-Level Cleaning Performance
Tackle post-dinner cleanup like a pro with the enhanced cleaning power of QuadWash(R) Pro. High-pressure jets with 38% more cleaning power 2 , spray dishes from multiple angles, while soaking them with over one million microbubbles to help break down stubborn food residue and provide exceptional cleaning performance.
Make Room for Last-Minute Items
Use the handy slider to adjust the 3rd rack height-even when fully loaded-to make room for taller items at the last minute. Not only can you save time and wash fewer loads, it's also a convenient spot for hard-to-fit items like flatware, long-handled utensils or small espresso cups.
Clean, Sanitize, and Reduce Water Spots
LG TrueSteam(R) uses the power of steam to penetrate food residue and help eliminate water spots by up to 60% 4 . Plus, LG dishwashers are certified by the National Sanitation Foundation to reduce bacteria on dishes by 99.999% and reach a final rinse temperature greater than 150(degree)F when operated on the Steam cycle 5 for peace of mind.
More Flexibility Means No Dish Gets Left Behind
EasyRack Plus(R) lets you fit more dishes, run fewer loads and make short work of after-dinner cleanup. With three height settings, the upper rack adjusts effortlessly and smoothly to make room for tall stemware on top or oversize pans below. Customizable tines offer greater flexibility for loading dishes of all shapes and sizes without compromising cleaning performance.
Easy installation with pros and DIYers in mind
LG dishwashers are built with pros and DIYers in mind. Every dishwasher comes with a thoughtfully built base and standard hardware designs that helps save time and money. Every LG dishwasher includes features such as: Flexible Mounting, Factory-Installed 3/8" Brass Fitting and 6-Foot Drain House to help prevent leaking, Faster Leveling, Quick-Access Junction Box, No-Fuss Insulation Blanket, and Universal Installation Parts.
Brilliant Visibility
Now you can check on dishes in an instant with the help of interior LED lighting. Two integrated tub lights turn on when the dishwasher door is opened, so you can easily check on your favorite mug.
A Smarter Home Starts with the LG ThinQ(R) App
The ThinQ app 7 offers control and convenience for smart LG appliances to help you simplify life and enjoy the comforts of home. Manage and monitor your dishwasher remotely, track and download cycles, connect with Google or Alexa voice assistants, and more. ThinQ Care appliances send usage, maintenance, and diagnostic alerts to notify you of potential issues like water leakage. ThinQ UP appliances receive software updates for new features and enhancements. Learn more.
Built In Leak Protection for Peace of Mind
ThinQ monitors water supply, drainage and leakage and will notify you if any issues arise after installation. Built right in for worry-free operation. Compatible models with ThinQ Care will alert you as soon as there is an issue. 6
The Industry's Leading 1-Hour Wash & Dry
LG's exclusive QuadWash(R) Pro and Dynamic Heat Dry(TM) technologies combine to deliver the industry's leading 1-hour wash and dry cycle 1 for sparkling, table-ready dishes in less time. So you can spend more time on what matters.
- The Industry's Leading 1-Hour Wash & Dry
- LG's exclusive QuadWash® Pro and Dynamic Heat Dry™ technologies combine to deliver the industry's leading 1-hour wash and dry cycle 1 for sparkling, table-ready dishes in less time. So you can spend more time on what matters.
- Pro-Level Cleaning Performance
- Tackle post-dinner cleanup like a pro with the enhanced cleaning power of QuadWash® Pro. High-pressure jets with 38% more cleaning power 2 , spray dishes from multiple angles, while soaking them with over one million microbubbles to help break down stubborn food residue and provide exceptional cleaning performance.
- Drier than Ever
- Our Dynamic Heat Dry™ technology circulates hot air throughout the dishwasher for faster, more complete drying 3 that won't melt your plastics, delivering sparkling, table-ready dishes right off the rack.
- Clean, Sanitize, and Reduce Water Spots
- LG TrueSteam® uses the power of steam to penetrate food residue and help eliminate water spots by up to 60% 4 . Plus, LG dishwashers are certified by the National Sanitation Foundation to reduce bacteria on dishes by 99.999% and reach a final rinse temperature greater than 150(degree)F when operated on the Steam cycle 5 for peace of mind.
- Keep an Eye on the Clock
- Conveniently manage your time with a hidden LED display that counts down the remaining cycle time. When the dishwasher is not in use, the display disappears for a sleek look.
- Make Room for Last-Minute Items
- Use the handy slider to adjust the 3rd rack height-even when fully loaded-to make room for taller items at the last minute. Not only can you save time and wash fewer loads, it's also a convenient spot for hard-to-fit items like flatware, long-handled utensils or small espresso cups.
- Easy installation with pros and DIYers in mind
- LG dishwashers are built with pros and DIYers in mind. Every dishwasher comes with a thoughtfully built base and standard hardware designs that helps save time and money. Every LG dishwasher includes features such as: Flexible Mounting, Factory-Installed 3/8" Brass Fitting and 6-Foot Drain House to help prevent leaking, Faster Leveling, Quick-Access Junction Box, No-Fuss Insulation Blanket, and Universal Installation Parts.
- Brilliant Visibility
- Now you can check on dishes in an instant with the help of interior LED lighting. Two integrated tub lights turn on when the dishwasher door is opened, so you can easily check on your favorite mug.
- A Smarter Home Starts with the LG ThinQ® App
- The ThinQ app 7 offers control and convenience for smart LG appliances to help you simplify life and enjoy the comforts of home. Manage and monitor your dishwasher remotely, track and download cycles, connect with Google or Alexa voice assistants, and more. ThinQ Care appliances send usage, maintenance, and diagnostic alerts to notify you of potential issues like water leakage. ThinQ UP appliances receive software updates for new features and enhancements. Learn more.
- Built In Leak Protection for Peace of Mind
- ThinQ monitors water supply, drainage and leakage and will notify you if any issues arise after installation. Built right in for worry-free operation. Compatible models with ThinQ Care will alert you as soon as there is an issue. 6
- More Flexibility Means No Dish Gets Left Behind
- EasyRack Plus® lets you fit more dishes, run fewer loads and make short work of after-dinner cleanup. With three height settings, the upper rack adjusts effortlessly and smoothly to make room for tall stemware on top or oversize pans below. Customizable tines offer greater flexibility for loading dishes of all shapes and sizes without compromising cleaning performance.
- Our leading 1-hour wash and dry cycle gives you sparkling, table-ready dishes in less time
- High-pressure jets with 38% more cleaning power, as compared to our standard QuadWash(R)
- Dynamic Heat Dry(TM) (2024)
- TrueSteam(R) with Sanitization
- Built In Leak Detection monitors water supply, drainage and drainage and leakage
- When the dishwasher is not in use, the Hidden LED Front Timer disappears for a sleek look
- The height-adjustable 3rd rack provides space to fit everything from long flatware to small cups
| Capacity | |
| Lower Rack Dish Height Limit | 12.5" |
| Total Place Settings | 15 |
| Upper Rack Dish Height Limit | 9" |
| Certifications | |
| NSF | Yes |
| Dimensions/Clearances/Weight | |
| Carton Dimensions (in) (W x H x D) | 28" x 34 3/4" x 29 5/8" |
| Depth with Door Closed with Handle (in) | 26.8" |
| Depth with Door Open (in) | 49.25" |
| Product Dimensions (in) (W x H x D) | 23 3/4" x 33 5/8" x 24 5/8" |
| Product Weight (lbs) | 97 lbs |
| Shipping Weight with Carton (lbs) | 109.13 lbs |
| Features | |
| Hidden Count Down Timer | Yes |
| Heated Dry Option | Yes |
| QuadWash® Pro | Yes |
| 3-Stage Filtration System | Yes |
| ADA Compliant | No |
| Detergent and Rinse-Aid Dispenser | Yes |
| Drying System | Dynamic Heat Dry |
| End of Cycle Indicator | Beeper + END Indication on Display |
| Hybrid Condensing Drying System | Yes |
| Inverter Direct Drive Motor | Yes |
| LoDecibel™ Quiet Operation | 42 dBA |
| Multi-Level (5) Water Direction | No |
| Number of Options | 8(Flex Zone,Steam,High temp,Dry Boost,Delay Start-Up to 12 hours,Control Lock,Night Dry,Remote Start) |
| Number of Spray Arms | 3 (Top, Upper, Lower) |
| Number of Wash Cycles | 10(Auto,Heavy,Delicate,Refresh,Normal,1-Hour,Download Cycle,) |
| Leak Detection | Yes |
| Rinse-Aid Indicator | Yes |
| Safety Float Switch (Leaks) | Yes |
| SenseClean™ Wash System | Yes |
| Soil (Turbidity) Sensor | Yes |
| Time Remaining Indicator | Yes |
| TrueSteam® | Yes |
| Variable Spray Intensities | Yes |
| Vario Wash | Yes |
| Dynamic Heat Dry™ | Yes |
| 1-Hour Wash & Dry | Yes |
| Limited Warranty | |
| Control Board and Rack Parts | 2 Years |
| Direct Drive Motor | 10 Years |
| Labor | 1 Year |
| Parts | 1 Year |
| Stainless Steel Door Liner or Tub | 2 Years |
| UPC | 48231344180 |
| Power Ratings | |
| CEE Tier | 1 |
| ENERGY STAR® Qualified | Yes |
| Energy Use (kWh/Year) | 238 kWh/Year |
| Water Factor (WF) | 2.9 |
| Racks and Baskets | |
| 3rd Rack (Fixed) | No |
| BPA-Free Nylon Coated Racks and Tines | Yes |
| Cup Rack | Yes |
| Cutlery Baskets | Yes |
| EasyRack™ Plus System | Yes |
| Fold Down Tines | Yes (Fully Fold on Upper & Fully (Smart) on Lower) |
| Glide Rail | Yes |
| Height Adjustable Middle Rack | Yes |
| Height-Adjustable 3rd Rack | Yes |
| Rack Handle | Yes |
| Stemware Holder | Yes |
| Wheel Bearing | Yes |
| Style and Design | |
| All Available Colors | PrintProof™ Black Stainless Steel, PrintProof™ Stainless Steel |
| Control Panel Location | Top Control |
| Electronic Controls | Fully Integrated Control Panel |
| Fingerprint Resistant | Yes |
| Handle | Curved Bar |
| LED Tub Light | No |
| PrintProof™ Finish | Yes |
| Tub Light | Yes |
| Tub Material | NeveRust™ Stainless Steel |
| Summary | |
| Series | LG |
| Dishwasher ThinQ® Smart Features | |
| Monitor Cycle Time | No |
| ThinQ Care™ | Yes |
| NFC Tag On | No |
| Remote Control | No |
| Remote Monitoring | Yes |
| SmartDiagnosis™ | Yes |
| SmartThinQ® | No |
| ThinQ® Smart Technology | Yes |
| wi-fi Enabled | Yes |
| ThinQ UP™ | Yes |
- Our leading 1-hour wash and dry cycle gives you sparkling, table-ready dishes in less time
- High-pressure jets with 38% more cleaning power, as compared to our standard QuadWash(R)
- Dynamic Heat Dry(TM) (2024)
- TrueSteam(R) with Sanitization
- Built In Leak Detection monitors water supply, drainage and drainage and leakage
- When the dishwasher is not in use, the Hidden LED Front Timer disappears for a sleek look
- The height-adjustable 3rd rack provides space to fit everything from long flatware to small cups
LG Appliances Buy More Save More Delivery and Installation Allowance
Offer Expires: 07/13/2026 to 08/22/2026 | Must be postmarked by: 11/22/2026
Enjoy exclusive rebate savings with purchase of qualifying LG Appliances.
Download Rebate FormLG ThinQ Care Warranty Promo
Offer Expires: 04/09/2026 to 12/31/2026 | Must be postmarked by: 02/28/2027
Purchase a qualifying LG product and register it through ThinQ app to extend the original 1 Year LG Limited Manufacturer Warranty to 2 Years at no cost, valued up to $185
Download Rebate Form
