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4.2 | 14 Reviews

LG SIGNATURE Top Control Smart Wi-Fi Enabled Dishwasher with TrueSteam® and QuadWash™

LG LUDP8908SN

Features

  • LG SIGNATURE
  • TrueSteam®
  • LoDecibel™ Operation (38dB)
  • QuadWash™ System

Quick Specs

  • Type: Dishwasher
  • Style: Built In
  • Width: 23.75"
  • Height: 33.62"
  • Depth: 24.62"
  • Energy Star Rated: Yes
  • Stainless Steel Tub: Yes
  • Fully Integrated Controls: Yes
  • Tall Tub: No
  • Decibel Level: 38.0 dB
  • WiFi Connected: Yes

See More

 
Textured Steel™ Finish

The LG SIGNATURE dishwasher merges the exquisite Textured Steel™ Finish with our sturdy and sophisticated LG stainless steel technology.


Stainless Steel Touch Panel with LED Display

Sleek controls make it easy to select the settings you want, while the LED display provides every detail at glance.


EasyRack™ Plus

The EasyRack™ Plus system adjusts to just about any load of dishes to help ensure optimal cleaning performance. With one touch, you can change the height of the upper rack to three different levels. Easy to adjust on-the-fly, this racking system can shift to handle any challenge your dishes serve up.


Height adjustable 3rd rack

The height adjustable 3rd rack gives you more space to fit everything from long flatware to small espresso cups.


Glide Rail and Ball-bearing Wheel Design

Even your heaviest dish loads glide in and out smoothly with the help of LG's Glide Rail and Ball Bearing Wheel design. The Glide Rail keeps the upper rack on track while the Ball-bearing wheel provides a smooth lower rack glide for easier loading and unloading.


Dual Zone Wash

This feature enables water to spray with two different intensities at the same time. Gently wash delicate dishes on the upper rack while simultaneously power washing heavy-duty pots and pans on the lower rack.


ThinQ®

Stay connected with features like Smart Access and Smart Adapt, which allow you to monitor your dishwasher remotely and download new and improved cycles. In the unlikely event that you have any problems, Smart Diagnosis helps you troubleshoot problems quickly and efficiently.


Life's better when your home runs smart

Discover ThinQ Care within the ThinQ app -- proactive smart alerts to keep your appliances running smoothly. Get notifications about usage, maintenance, plus early diagnosis right on your smartphone.*


TrueSteam®

LG TrueSteam® saves the time and headache of prewashing or rewashing dishes by hand. A blast of steam at the start of the cycle penetrates and dissolves tough caked-on food, but is gentle enough for your favorite wine glasses. A second blast during drying helps eliminate water spots by up to 60%*- no more having to wipe spotty glasses before guests arrive.

*Percent in water spot reduction compared to comparable LG non-steam dishwasher on delicate wash cycle. Results may vary by model. Results based on test with LG LDF7774ST as of Feb. 2018.


LoDecibel™ Operation (38dB)

Doing the dishes shouldn't keep you up at night. LG's technological advances, like the Inverter Direct Drive Motor and self-cleaning filtration system, were designed with quiet in mind. At 38dB, this dishwasher is our quietest on the market.


QuadWash™

The QuadWash™ with Multi-Motion spray arms combined with the Inverter Direct Drive motor power cleans dishes from multiple angles to reach every nook and cranny.

Features

  • LG SIGNATURE
  • TrueSteam®
  • LoDecibel™ Operation (38dB)
  • QuadWash™ System
  • Textured Steel™ Finish
  • Height Adjustable 3rd Rack
SUMMARY
Series LG SIGNATURE
Color Textured Steel™
Control Panel Location: Top Control
TrueSteam®: Yes
QuadWash®: Yes
CAPACITY
Total Place Settings 15
Upper Rack Dish Height Limit 7.1"
Lower Rack Dish Height Limit 12.5"
RACKS AND BASKETS
Cutlery Baskets Yes
Cup Rack Yes
Stemware Holder Yes
Fold Down Tines Yes ( Full Fold on Upper & Full Fold on Lower)
BPA-Free Nylon Coated Racks and Tines Yes
Rack Handle Yes (Upper) Yes (Lower)
Glide Rail Yes
EasyRack™ Plus System Yes
Height Adjustable Upper Rack Yes
Height-Adjustable 3rd Rack Yes
STYLE AND DESIGN
Control Panel Location Top Control
Electronic Controls Fully Integrated Metal Touch Control Panel
SignaLight™ Cycle Indicator Lights: 3
Time Remaining Indicator: Yes (LED)
Tub Material NeverRust™ Stainless Steel
Tub Light Yes
Handle Pocket Handle
Fingerprint Resistant Yes
All Available Colors Textured Steel™ Finish
FEATURES
TrueSteam® Yes
QuadWash™: Yes
Wheelbearing: Yes
Inverter Direct Drive Motor Yes
LoDecibel™ Quiet Operation 38 dBA
Number of Wash Cycles 10 (Auto, Heavy, Delicate, Refresh, Normal, Turbo, Download Cycle, Machine Clean, Rinse, Express)
Number of Options 9 (Dual Zone, Half Load, Steam, High Temp, Extra Dry, Delay Start, Control Lock, Night Dry, Remote Start)
Number of Spray Arms 3 (Top, Upper, Lower)
SenseClean™ Wash System Yes
Vario Wash Yes
Detergent and Rinse-Aid Dispenser Yes
Hybrid Condensing Drying System Yes
End of Cycle Indicator Yes (Beeper + END indicator on display)
Hidden Water Heater Yes
Safety Float Switch (Leaks) Yes
Soil (Turbidity) Sensor Yes
Tub Insulation (Damping Sheet, Sound Absorbing Material (felt), Base) Yes
BPA-Free Nylon Coated Racks and Tines: Yes
Balanced Door Yes
3-Stage Filtration System Yes
THINQ® SMART FEATURES:
Wi-Fi Enabled Yes
Voice Activation Yes
Works with Google Assistant and Amazon Alexa
Remote Monitoring Yes
SmartDiagnosis™ Yes
POWER RATINGS
ENERGY STAR® Qualified Yes
CEE Tier 1
Energy Use (kWh/Year) 269 kWh/Year
Water Factor (WF) 2.9
DIMENSIONS/CLEARANCES/WEIGHT:
Product Dimensions (in) (W x H x D) 23 3/4"x 33 5/8" x 24 5/8"
Product Weight (lbs) 95.0 lbs
Depth with Door Closed with Handle (in) 24 5/8"
Depth with Door Open (in) 49 1/4"
Carton Dimensions (in) (W x H x D) 28" x 34 3/4" x 29 5/8"
Shipping Weight with Carton (lbs) 107.1 lbs
LIMITED WARRANTY:
Labor 1 Year
Parts 1 Year
Control Board and Rack Parts 5 Years
Direct Drive Motor 10 Years
Stainless Steel Door Liner or Tub Lifetime
UPC CODES:
UPC 048231339896

Quick Specs


  • Appearance

  • Type: Dishwasher
  • Style: Built In

  • Dimensions

  • Width: 23.75"
  • Height: 33.62"
  • Depth: 24.62"

  • Features

  • Energy Star Rated: Yes
  • Stainless Steel Tub: Yes
  • Fully Integrated Controls: Yes
  • Tall Tub: No
  • Decibel Level: 38.0 dB
  • WiFi Connected: Yes

LG ThinQ Care Warranty Promo

Offer Expires: 4/13/2023 to 7/12/2023 Must be postmarked by: 10/13/2023

Purchase a qualifying LG product and register it through ThinQ app to receive a free 1 Year Extension on Manufacturer Warranty, valued up to $185. Rebate form must be postmarked by 10/13/2023.

LG Signature Appliance Bundle Rebate

Offer Expires: 2/9/2023 to 12/31/2023 Must be postmarked by: 1/31/2024

Receive a $500 rebate with purchase of 3 or more qualifying LG Signature Appliances. Rebate form must be postmarked by 1/31/2024.

Interactive Tour

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Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Appliances

Why NSI Protection Plus?

Our service plan is an economical way to extend the terms of your product's manufacturer parts & labor warranty.

Most manufacturer's limited warranties leave customers with no protection against the rising cost of repairs.

Even the best products can malfunction and the most minor repairs can cost hundreds.

About NSI Protection Plus

Administered by Warrantech and insured by AmTrust Financial, NSI Protection Plus is the largest service network in the industry with 30 years of building the network and over 22 million in paid claims.

The most comprehensive repair plans in the business!

  • Day one coverage on special features
  • Removal and reinstallation coverage
  • $25 Laundry credit (Washers and Dryers)
  • 5 year appliance contracts include 10 year major component coverage
  • $250 Food credit (per incident, eligible products)
  • The only true "No Lemon Guarantee" in the business
  • No "CAP" on repairs or replacement, unlimited repairs.

Extended warranties are usually very inexpensive and can save you thousands in the future. Some can even cover extra costs that result, such as cost of food that spoils when your fridge dies. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Appliances can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new appliances should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.

4.2 out of 5

78% of reviewers recommend this product.

5 Stars

Perfect upgrade and replacement

StephenCypress 4/21/2023

Our last LG dishwasher lasted 8 years and were looking forward to another decade with a quality system. To have the new features of interior lights quad wash and steam are significant upgrades to our last unit. Its also very Geoff to have so much flexibility when it comes to rack placement. Who knew doing dishes could be so much fun?
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Fantastic Machine 10 Fold Recommend

T3 EMNS 3/16/2023

I have had it for a month by far best dishwasha Eva
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Cleans and dries great

The RZA 1/9/2023

I had to replace an old Bosch dishwasher and chose this one because of the reviews and the noise level. Im impressed with the features the blast of steam really works on a tough mess and the night dry function works very well
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Best Dishwasher We Ever Had

Chris500 11/6/2022

We purchased the LG SIGNATURE TOP CONTROL SMART WI-FI ENABLED DISHWASHER WITH TRUESTEAM AND QUADWASH as part of a home remodeling. It has many features that are concveneint and efficient plus it does a good job of actually cleaning dishes glasses kitchen utensils and silverware. The longer cycle helps and is something that needs to planned for ahaed of time. LG also offers a nice rebate when purchased with other appliances whoch helped reduce our overall budget. Unlike some rebate offers this was an easy process and payment arrived in a reasonbale amount of time
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Best Dishwasher I have ever had

TimothyS 8/17/2022

This is the best dishwasher I have ever had. It washes everything crystal clean. You need to use a rinse agent however. My daughter-in-law was skeptical about a crusty macaroni and cheese dish that I put in but it came out clean and bright. The wash cycle is longer than I am used to but not a big issue.
Originally posted on lg.com

Yes, I recommend this product

Features

 

Quality

 

Value

 
5 Stars

Overall...a great addition to our home

Midmo 7/2/2022

The dishwasher works really well My review is at the end of one year ownership. We had an issue where the dishwasher would not drain about 3 weeks before the manufacturer warranty expired and the LG Signature team came through. The service side of LG ownership is legit...parts are sent to your home prior to the appointment and the service technician was professional quick and couldnt tell he was there after he was done. Overall I think Im an LG customer for life.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
4 Stars

Great when it works

Bee144 5/17/2022

Wash motor gave out after 1.5 year. Bought the unit almost day 1 after it was released. Disappointed that we had to call support and have someone come out twice to fix it. For being a Signature product I would hope for signature reliability.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Great Washer

ajb82 4/15/2022

I got this a month ago and so far it is working great cleaning.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
5 Stars

Whod have thought? - Happy my dishwasher died

ErickL 4/11/2022

When the repairman declared my top-of-the-line seriously quiet dishwasher as terminal I had to find something new because there was a 7-month wait to get the brand I had. After research I settled on the LG Signature. So glad I did. Not only is it just as quiet but it also washes so much better. Baked on casseroles that once required follow-up hand scrubbing now come out spotless. The capacity is amazing. Im not sure what more I could have hoped for.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
1 Stars

Worked great for only 5 months

KimFleming92va 3/4/2022

I like the Layout and design that lets you modify drawers to accommodate different dishes easily. Its fairly quiet as well. The led buttons seem a little finicky. You are supposed to hold/touch for 3 seconds to get secondary features but the clean feature doesnt really tell you if its cleaning. The illumination of time and other things doesnt make it clear. Its not user friendly like that. Still it cleaned well and I didnt have to pre wash dishes. However it just stopped working one day. I have been patient because I understand supply chains arent what they were Pre-COVID but its now been over two months and the dishwasher isnt fixed. When I brought up the warranty the service person actually told me they were complying with the warrant because they are trying to fix it. Heres what happened. It broke. We called for service. A service person came and said ther was a bad master power board. He ordered the part and made an appointment to return about a week later. A week later there was no service person. The service techs are sub contracted. They didnt come because the part didnt come. But no one informed me. I just waited at home and eventually called first the sub contractor and then Lg to figure this out. Side note: No one cares how Many times you miss work for these appointments either. Over the course of a month I called three or 4 times to ask about the part. I was told an arrival date that didnt happen a total of 3 times.The 4th time a pert showed and the contractor came the next day to fix the dishwasher. But they had sent the wrong part. So they ordered the part again. A part came again 4 days later and a service tech showed. Wrong part. At this point we were over two months since the dishwasher broke. This is when I asked about just replacing the entire unit. Last night a third part came but the appointment I made with the subcontractor was cancelled. Found this out while sitting home waiting for them. Not sure why. So dishwasher has not been fixed and the question I asked about elevating the issues and getting a different resolution has not been responded to either. I bought this dishwasher as part of a package at Costco. Every single appliance has needed repairs the refrigerator was so broken I had to return the whole package and get a new one thanks to Costco standing by things the oven wouldnt clean and needed a new motor and not I have been without a dishwasher for over two months. Super Disappointed. This was a high end purchase and youd think youd get more from that. Will be very hard to convince me to ever buy LG appliances again. Like their TVs and wanted things to work In harmony for a connected house. But this has been so painful.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
1 Stars

Astoundingly poor performance

cbfoxley 2/28/2022

Wow Who would think that a dishwasher that costs SO much would do such a terrible job? My dishes are uniformly greasy at the end of a cycle and to top it off there are horrible spots on the glasses. This is hands-down the worst dishwasher I have ever owned. SO DISAPPOINTED.
Originally posted on lg.com

No, I do not recommend this product

Features

 

Quality

 

Value

 
5 Stars

Excellent dishwasher

Polarbearbaby 2/22/2022

I bought this and received it a few weeks ago. Its a wonderful dishwasher with great features. The only problem I have is getting the touch sensor to accept start. For some reason it takes quite a few tries to get it to start.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value

 
3 Stars

Dishwasher

Jimmy1965 2/18/2022

I bought this a month ago. Not a super fan of LG but this was their Signature Series. So I gave it a chance. This dishwasher is pricier than a lot of the higher end brands. Reviews werent stellar. Due to Covid nobody out their has put a newly designed machine out since 2018-1019. To sum it up its just a dishwasher it however is the absolute most quiet dishwasher I and many others whove been to my home have heard. Cleans about the same as my 20 year old dishwasher I expected at this price point that LG had evolutionary made the next big advance. Nope. Average in every way except it uses bunches of soundproofing fabric to give that silence. In a nutshell. Maybe wait for a newer model. The super negative feature about this LG dishwasher is that it never dries the dishes completely.
Originally posted on lg.com

No, I do not recommend this product

 Incentivized Review

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Quality

 

Value

 
5 Stars

Seamless new addition

Just Tim 2/2/2022

Bought the unit in December 2021 and installed in January 2022. The wait was worth it. I like the features it has 3 adjustable racks for dishes and utensils steam and turbo washes. Its quiet while in use and the design matches the rest of my kitchen.
Originally posted on lg.com

Yes, I recommend this product

 Incentivized Review

Features

 

Quality

 

Value