LG 24 in. Smart Top Control Dishwasher with 1-Hour Wash and Dry and QuadWash Pro – PrintProof Stainless Steel
Model LDNTM545S
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About this model
The LG LDNTM545S is a 24-inch Smart Top Control Dishwasher in PrintProof™ Stainless Steel, delivering the fastest, most complete dishwashing experience in the LG lineup. Its headline 1-Hour Wash and Dry cycle takes dishes from dirty to completely dry in just 60 minutes — combining QuadWash® Pro (four multi-motion spray arms with microbubbles that deliver 38% more cleaning power) with Dynamic Heat Dry™ and AutoVent (a heated drying system that automatically opens the door post-cycle for the fastest, most complete drying result). The sleek FlushFit™ design creates an ultra-slim 1/8-inch door reveal that gives the dishwasher a premium, nearly built-in aesthetic.
Generous capacity for 16 place settings, a versatile 3rd rack for utensils and prep tools, and EasyRack Plus® with three upper rack height settings provide exceptional loading flexibility for large families. SteamAssist™ pre-treats stuck-on food in the prewash phase for improved cleaning without pre-rinsing, and the unit operates at a whisper-quiet 46 dBA for truly unobtrusive performance. ThinQ® Wi-Fi connectivity with Alexa and Google Assistant, auto leak detection, and ENERGY STAR® certification complete a dishwasher built for the smart, modern kitchen.
Specifications
| Brand | LG |
|---|---|
| Model | LDNTM545S |
| Appliance Type | Built-In Dishwasher |
| Control Location | Top Control |
| Color / Finish | PrintProof™ Stainless Steel |
| Place Settings | 16 |
| Number of Wash Cycles | 5 |
| Number of Wash Options | 6 |
| 1-Hour Wash & Dry | Yes |
| QuadWash® Pro | Yes |
| Dynamic Heat Dry™ | Yes |
| AutoVent Dry | Yes |
| SteamAssist™ | Yes |
| FlushFit™ Design | Yes |
| 3rd Rack | Yes |
| EasyRack Plus® | Yes (3 Heights) |
| Sound Level | 46 dBA |
| Smart / Wi-Fi | Yes (ThinQ®) |
| Voice Control | Alexa, Google Assistant |
| Auto Leak Detection | Yes |
| Dimensions (W × H × D) | 23 3/4 in. × 33 5/8 in. × 26 1/8 in. |
| Voltage | 120V |
| ENERGY STAR® Certified | Yes |
| Warranty | 1-Year / 10-Year Motor |
Features
- 1-Hour Wash and Dry: LG's fastest wash and dry cycle completes a full clean-to-dry cycle in just 1 hour — getting your dishes sparkling and table-ready faster than any other cycle without compromising results.
- QuadWash® Pro: Four multi-motion spray arms including a dual-zone lower arm deliver 38% more cleaning power than standard QuadWash® by combining rotating spray jets with microbubbles for thorough coverage on every item.
- Dynamic Heat Dry™ with AutoVent: A powerful heated drying system circulates hot air throughout the tub during drying, then the door automatically opens slightly post-cycle to release residual steam for a faster, more complete dry.
- SteamAssist™: Steam is used during the prewash phase to loosen tough, stuck-on food before the main wash cycle begins, improving cleaning performance on baked-on residue without pre-soaking or pre-rinsing.
- FlushFit™ Design: An ultra-slim 1/8-inch door reveal means the dishwasher sits nearly flush with surrounding cabinetry for a seamless, built-in appearance that instantly upgrades any kitchen aesthetic.
- 16 Place Settings: Accommodates up to 16 full place settings in a single load — more than many competing dishwashers — reducing the number of daily cycles needed for large families.
- 3rd Rack: A versatile top rack provides dedicated storage for flat utensils, spatulas, chopsticks, and small prep items, freeing up space on the lower two racks for more dishes.
- EasyRack Plus®: Three-height adjustable upper rack glides smoothly and accommodates tall stemware on top or oversized items below — customizable tines offer even greater loading flexibility.
- 46 dBA Quiet Operation: Ultra-quiet operation at 46 dBA lets the dishwasher run comfortably during meal prep, conversations, or while you are relaxing without any disruptive noise.
- ThinQ® Smart Connectivity: Control and monitor the dishwasher remotely via the LG ThinQ® app, receive ThinQ Care alerts, track water usage, and sync with Alexa or Google Assistant for voice-controlled operation.
Questions & answers
Q1: How does the 1-Hour Wash and Dry cycle work?
A: The 1-Hour Wash and Dry cycle combines LG's most powerful washing and drying technologies in a compressed, optimized sequence — high-pressure QuadWash® Pro cleaning followed immediately by Dynamic Heat Dry™ with AutoVent. The entire process from start to completely dry dishes takes just 1 hour, making it ideal for busy households that cannot wait for a full 2+ hour standard cycle.
Q2: What makes QuadWash® Pro different from standard QuadWash®?
A: Standard QuadWash® uses four spray arms for multi-directional cleaning coverage. QuadWash® Pro adds microbubble technology to the dual-zone lower spray arm — combining high-pressure rotating jets with microscopic bubbles that penetrate and lift food particles more effectively, delivering 38% more cleaning power than standard QuadWash® on the same loads.
Q3: What is the FlushFit™ design and how does it affect installation?
A: FlushFit™ is LG's integrated door design that reduces the visible gap between the dishwasher door and surrounding cabinetry to just 1/8 inch — creating a nearly seamless, flush appearance that looks like a built-in unit rather than a freestanding appliance. Installation requirements are standard, but the visual result is significantly more refined than conventional dishwashers.
Q4: Does the dishwasher door open automatically after the cycle?
A: Yes, the AutoVent feature in the Dynamic Heat Dry™ system automatically opens the dishwasher door slightly at the end of the dry cycle to release residual steam. This speeds up and completes the drying process more effectively than a closed-door heated dry system.
Q5: Is the LDNTM545S compatible with voice assistants?
A: Yes, the LDNTM545S is compatible with both Amazon Alexa and Google Assistant through the LG ThinQ® app, allowing you to check cycle status, start or monitor cycles, and manage the dishwasher using voice commands.






