
LG LDTH555NS 24 inch Smart Top Control Smart Dishwasher with 15 Place Settings, 1 Hour Cycle, 46 dB, Wi-Fi, QuadWash Pro, 3rd Rack, Printproof Stainless Steel

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LG LDTH555NS Features
Top-Control Dishwasher with 1-Hour Wash & Dry, QuadWash® Pro, and Dynamic Heat Dry
The LG LDTH555NS 24-inch Smart Top Control Dishwasher combines advanced technology with exceptional performance to elevate your kitchen experience. With a spacious capacity of 15 place settings, it efficiently handles large loads, making it perfect for families and entertaining. The innovative QuadWash Pro system utilizes multi-motion spray arms to ensure thorough cleaning from every angle, while the 1-hour cycle provides quick and effective results. Operating at a whisper-quiet 46 dB, it won’t disrupt your home environment. The built-in Wi-Fi connectivity allows for remote monitoring and control via the LG ThinQ app. Featuring a sleek Printproof Stainless Steel finish, this dishwasher resists fingerprints and smudges, ensuring a clean and polished look in your kitchen.
- 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®
- Dynamic Heat Dry delivers faster, more complete drying² that won't melt your plastics
- Built In Leak Detection monitors water supply, drainage and drainage and leakage
- Fixed 3rd Rack
- LoDecibel Operation (46 dB) is so quiet, you can use your indoor voice
- Save time by fitting more dishes and running fewer loads with EasyRack™ Plus
- LG ThinQ Smart Technology
- Recommended By Consumer Reports
- Lg'S Leading 1-Hour Wash & Dry
- Pro-Level Cleaning Performance
- Drier Than Ever
- Redesigned With Style In Mind
- Sleek Exterior Design
- Resists Smudges For An Effortless Shine
- Thinq Helps Make Life Happen!
- Save Money. Save Energy.
Sleek Exterior Design
Top controls with LED display are easy to see and use when the dishwasher door is open but hidden from view when the door is closed, for a seamless look that’s also easy to clean.
Resists Smudges for an Effortless Shine
PrintProof finish resists fingerprints and smudges to keep your kitchen looking its best. Available in black and classic stainless steel, now you can have all of the things you love about stainless steel appliances—the premium look, the professional-grade durability—without the need for special cleaners or constant attention. Plus, it easily wipes clean with a soft, dry cloth.
Why should you buy LG LDTH555NS?
-
Fast and Efficient Cleaning
The 1-Hour Wash and Dry cycle is ideal for busy households, quickly getting dishes ready. -
Powerful Cleaning Technology
QuadWash Pro uses multiple spray arms and micro-bubbles to provide a thorough clean for all dishes. -
Superior Drying Performance
Dynamic Heat Dry technology circulates hot air, ensuring dishes are completely dry, even plastic items, without causing damage.
-
Enhanced Flexibility:
The included 3rd Rack allows for customizable loading, providing more space and versatility for various dishware and utensils.
-
User-Friendly Interface:
The top-control design allows for easy selection of wash settings and provides a sleek, integrated look.
Frequently Asked Questions by Customers
-
What are the key highlights of the LG LDTH555NS?
The LDTH555NS is a top-control dishwasher featuring QuadWash technology, Dynamic Heat Dry with AutoVent Dry, an adjustable third rack, and Wi-Fi connectivity with LG ThinQ. -
What finish does this model come in?
A2. The LDTH555NS comes in a PrintProof Stainless Steel finish, which resists smudges and fingerprints for easy cleaning. -
How does QuadWash improve cleaning performance?
QuadWash uses four multi-motion spray arms instead of the traditional two, spraying water from multiple angles to cover more surface area and clean dishes more thoroughly. -
Do I need to pre-rinse my dishes?
No, the LDTH555NS is designed to clean heavily soiled dishes without pre-rinsing, saving time and water. -
How effective is the drying performance?
The dishwasher features Dynamic Heat Dry, which circulates hot air, and AutoVent Dry, which automatically opens the door slightly at the end of the cycle for better moisture evaporation and faster drying.
Pros and Cons of LG Top-Control Dishwasher with 1-Hour Wash & Dry, QuadWash® Pro, and Dynamic Heat Dry™
The Top-Control Dishwasher is designed to revolutionize the way we clean our dishes, offering advanced features that promise efficiency and convenience. With a focus on speed, cleaning power, and smart technology, this dishwasher aims to meet the needs of modern households. In this document, we will explore the pros and cons of this appliance to help you determine if it is the right fit for your kitchen.
Pros
- Fast Wash and Dry Cycle: The leading 1-hour wash and dry cycle ensures that dishes are sparkling and ready for use in less time, making it ideal for busy households.
- Enhanced Cleaning Power: With high-pressure jets that provide 38% more cleaning power compared to standard models, this dishwasher effectively tackles tough stains and grime.
- Dynamic Heat Dry™: This feature delivers faster and more complete drying, ensuring that plastics and other materials are not damaged during the drying process.
- Built-In Leak Detection: The built-in leak detection system monitors water supply and drainage, providing peace of mind by preventing potential leaks and water damage.
- Fixed 3rd Rack: The inclusion of a fixed third rack allows for more efficient loading and organization of utensils and smaller items.
- Quiet Operation: Operating at just 46 dB, the LoDecibel™ technology ensures that the dishwasher runs quietly, allowing you to maintain a peaceful home environment.
- EasyRack™ Plus: This feature enables users to save time by fitting more dishes and running fewer loads, enhancing overall efficiency.
- Smart Technology: The integration of LG ThinQ® Smart Technology allows for remote monitoring and control, making it easier to manage your dishwasher from anywhere.
Cons
- Price Point: The advanced features and technology may come at a higher price compared to standard dishwashers, which could be a consideration for budget-conscious consumers.
- Complexity of Features: Some users may find the smart technology and various settings overwhelming or unnecessary for their needs.
- Fixed 3rd Rack Limitations: While the fixed third rack is beneficial for organization, it may limit the flexibility of loading larger items in the upper rack.
- Potential for Maintenance: As with any advanced appliance, there may be a need for more frequent maintenance or repairs due to the complexity of the technology.
The Top-Control Dishwasher offers a range of impressive features that cater to the needs of modern households, including fast cleaning cycles, enhanced drying capabilities, and smart technology integration. While it presents several advantages, such as efficiency and quiet operation, potential buyers should also consider the higher price point and the complexity of its features. Ultimately, this dishwasher could be an excellent investment for those seeking a powerful and convenient solution for their dishwashing needs.
LG LDTH555NS Dimensions
Width | 23 3/4" |
Height | 33 5/8" |
Depth | 24 5/8" |
Depth With Door Opened At 90 Degrees | 49 1/4" |
Exterior Width | 24" |
Cutout Width | 24" |
Cutout Height | 33 5/8" |
Cutout Depth | 24" |
LG LDTH555NS Overview
Top-Control Dishwasher with 1-Hour Wash & Dry, QuadWash® Pro, and Dynamic Heat Dry
The LG LDTH555NS 24-inch Smart Top Control Dishwasher combines advanced technology with exceptional performance to elevate your kitchen experience. With a spacious capacity of 15 place settings, it efficiently handles large loads, making it perfect for families and entertaining. The innovative QuadWash Pro system utilizes multi-motion spray arms to ensure thorough cleaning from every angle, while the 1-hour cycle provides quick and effective results. Operating at a whisper-quiet 46 dB, it won’t disrupt your home environment. The built-in Wi-Fi connectivity allows for remote monitoring and control via the LG ThinQ app. Featuring a sleek Printproof Stainless Steel finish, this dishwasher resists fingerprints and smudges, ensuring a clean and polished look in your kitchen.
- 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®
- Dynamic Heat Dry delivers faster, more complete drying² that won't melt your plastics
- Built In Leak Detection monitors water supply, drainage and drainage and leakage
- Fixed 3rd Rack
- LoDecibel Operation (46 dB) is so quiet, you can use your indoor voice
- Save time by fitting more dishes and running fewer loads with EasyRack™ Plus
- LG ThinQ Smart Technology
- Recommended By Consumer Reports
- Lg'S Leading 1-Hour Wash & Dry
- Pro-Level Cleaning Performance
- Drier Than Ever
- Redesigned With Style In Mind
- Sleek Exterior Design
- Resists Smudges For An Effortless Shine
- Thinq Helps Make Life Happen!
- Save Money. Save Energy.
Sleek Exterior Design
Top controls with LED display are easy to see and use when the dishwasher door is open but hidden from view when the door is closed, for a seamless look that’s also easy to clean.
Resists Smudges for an Effortless Shine
PrintProof finish resists fingerprints and smudges to keep your kitchen looking its best. Available in black and classic stainless steel, now you can have all of the things you love about stainless steel appliances—the premium look, the professional-grade durability—without the need for special cleaners or constant attention. Plus, it easily wipes clean with a soft, dry cloth.
Why should you buy LG LDTH555NS?
-
Fast and Efficient Cleaning
The 1-Hour Wash and Dry cycle is ideal for busy households, quickly getting dishes ready. -
Powerful Cleaning Technology
QuadWash Pro uses multiple spray arms and micro-bubbles to provide a thorough clean for all dishes. -
Superior Drying Performance
Dynamic Heat Dry technology circulates hot air, ensuring dishes are completely dry, even plastic items, without causing damage.
-
Enhanced Flexibility:
The included 3rd Rack allows for customizable loading, providing more space and versatility for various dishware and utensils.
-
User-Friendly Interface:
The top-control design allows for easy selection of wash settings and provides a sleek, integrated look.
Frequently Asked Questions by Customers
-
What are the key highlights of the LG LDTH555NS?
The LDTH555NS is a top-control dishwasher featuring QuadWash technology, Dynamic Heat Dry with AutoVent Dry, an adjustable third rack, and Wi-Fi connectivity with LG ThinQ. -
What finish does this model come in?
A2. The LDTH555NS comes in a PrintProof Stainless Steel finish, which resists smudges and fingerprints for easy cleaning. -
How does QuadWash improve cleaning performance?
QuadWash uses four multi-motion spray arms instead of the traditional two, spraying water from multiple angles to cover more surface area and clean dishes more thoroughly. -
Do I need to pre-rinse my dishes?
No, the LDTH555NS is designed to clean heavily soiled dishes without pre-rinsing, saving time and water. -
How effective is the drying performance?
The dishwasher features Dynamic Heat Dry, which circulates hot air, and AutoVent Dry, which automatically opens the door slightly at the end of the cycle for better moisture evaporation and faster drying.
Pros and Cons of LG Top-Control Dishwasher with 1-Hour Wash & Dry, QuadWash® Pro, and Dynamic Heat Dry™
The Top-Control Dishwasher is designed to revolutionize the way we clean our dishes, offering advanced features that promise efficiency and convenience. With a focus on speed, cleaning power, and smart technology, this dishwasher aims to meet the needs of modern households. In this document, we will explore the pros and cons of this appliance to help you determine if it is the right fit for your kitchen.
Pros
- Fast Wash and Dry Cycle: The leading 1-hour wash and dry cycle ensures that dishes are sparkling and ready for use in less time, making it ideal for busy households.
- Enhanced Cleaning Power: With high-pressure jets that provide 38% more cleaning power compared to standard models, this dishwasher effectively tackles tough stains and grime.
- Dynamic Heat Dry™: This feature delivers faster and more complete drying, ensuring that plastics and other materials are not damaged during the drying process.
- Built-In Leak Detection: The built-in leak detection system monitors water supply and drainage, providing peace of mind by preventing potential leaks and water damage.
- Fixed 3rd Rack: The inclusion of a fixed third rack allows for more efficient loading and organization of utensils and smaller items.
- Quiet Operation: Operating at just 46 dB, the LoDecibel™ technology ensures that the dishwasher runs quietly, allowing you to maintain a peaceful home environment.
- EasyRack™ Plus: This feature enables users to save time by fitting more dishes and running fewer loads, enhancing overall efficiency.
- Smart Technology: The integration of LG ThinQ® Smart Technology allows for remote monitoring and control, making it easier to manage your dishwasher from anywhere.
Cons
- Price Point: The advanced features and technology may come at a higher price compared to standard dishwashers, which could be a consideration for budget-conscious consumers.
- Complexity of Features: Some users may find the smart technology and various settings overwhelming or unnecessary for their needs.
- Fixed 3rd Rack Limitations: While the fixed third rack is beneficial for organization, it may limit the flexibility of loading larger items in the upper rack.
- Potential for Maintenance: As with any advanced appliance, there may be a need for more frequent maintenance or repairs due to the complexity of the technology.
The Top-Control Dishwasher offers a range of impressive features that cater to the needs of modern households, including fast cleaning cycles, enhanced drying capabilities, and smart technology integration. While it presents several advantages, such as efficiency and quiet operation, potential buyers should also consider the higher price point and the complexity of its features. Ultimately, this dishwasher could be an excellent investment for those seeking a powerful and convenient solution for their dishwashing needs.
LG LDTH555NS Dimensions
Width | 23 3/4" |
Height | 33 5/8" |
Depth | 24 5/8" |
Depth With Door Opened At 90 Degrees | 49 1/4" |
Exterior Width | 24" |
Cutout Width | 24" |
Cutout Height | 33 5/8" |
Cutout Depth | 24" |
LG LDTH555NS Rebates

LG NECO Buy More Save More - Up to $600 September 2025
LG NECO Buy More Save More Rebate
Get up to $600 prepaid MasterCard back
PURCHASE ANY 6 ELIGIBLE MODELS FOR A $600 REBATE
PURCHASE ANY 5 ELIGIBLE MODELS FOR A $400 REBATE
PURCHASE ANY 4 ELIGIBLE MODELS FOR A $300 REBATE
PURCHASE ANY 3 ELIGIBLE MODELS FOR A $200 REBATE
PURCHASE ANY 2 ELIGIBLE MODELS FOR A $100 REBATE
Valid between SEPTEMBER 17, 2025 - OCTOBER 29, 2025

LG Buy More Save More Fall Savings October 2025
LG/LG Studio Innovation Days Instant Rebate
Instantly save when you purchase eligible LG Kitchen or Laundry appliances in a single purchase
*Excluded Items: LG Countertop Microwaves, all open-box items and display units do not qualify for this instant rebate.
Valid between 10/2/25–11/4/25.
LG LDTH555NS Warranty & Returns
Warranty Information
1 Year Parts and Labor, 2 Years on Tub and Certain Parts, 10 Years on Direct Drive Motor
Return Policy
Returns accepted within 30 days of delivery. Item must be in original packaging and unused condition.
LG LDTH555NS Why Us
Flexible Monthly Financing with Affirm
Split your purchase into easy payments over time—interest-free or with simple interest depending on your plan and eligibility.
Get Free In-Home Delivery on Orders $599+
We offer free in-home delivery to most serviceable zip codes for orders over $599.
Membership Club
Our Online Members-Only Price Includes*:
Extended Warranty
Free Installation
Bonus Rewards
3 Level Rebate
Manufacturer rebates, instant savings, and product discounts — all in one place.
Customize your Coverage
Choose a 3- or 5-year protection plan—get 50% back if you don't use it.
Price Match Guarantee
If you find a lower price on an identical item from a local competitor or select online retailers, we will match it.