ID # 3016890Model # MB20250118

Masterbuilt MWS 340B Pellet Smoker - MB20250118

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Key Features

Can smoke 6 turkeys, 8 pork butts, 8 racks of ribs or 16 chickens at one time
  • Temperature range from 180-350 degrees Fahrenheit accommodates a variety of smoking styles
  • Digital control panel controls on/off, temperature and smoke time
  • Auger feeds pellets into the crucible as needed to maintain set temperature
  • Easy cleanup with removable crucible and side-access grease tray
The Masterbuilt MWS 340B Pellet Smoker is designed with plenty of room to give all your favorite foods that delicious woodfire taste. With 4 chrome plated smoking racks, providing an ample 977 square inches of space, you can smoke 6 turkeys, 8 pork butts, 8 racks of ribs or 16 chickens at one time! The digital control panel allows you to control the temperature and smoke time, as well as select preset smoke cycles. This smoker can reach temperatures between 180 and 350 degrees Fahrenheit. The automated auger system will feed pellets into the smoker as needed to maintain the desired temperature. A water tray sits at the bottom of the smoker to keep your food juicy and flavorful, and a heat diffuser evenly distributes heat. Cleaning out ash and grease is easy, thanks to a removable crucible and a side-access grease tray. For easy moving and transport, this smoker sits on 4 caster wheels and features a side handle.

Legal disclaimers and warnings

Product packaging, owners’ manuals, installation instructions, and/or operating instructions may include more information than what is shown on our website. The content on our site is intended to be used for reference purposes only. Please fully read all included manuals and documentation before installing or using this product. WARNING for California residents: this product may contain chemical(s) known to the state of California to cause birth defects, cancer, or other reproductive harm.

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Warranty

Masterbuilt smokers carry a one (1) year warranty against defects in material and workmanship under proper assembly and normal use. This warranty does not cover paint finish or rust. Masterbuilt requires proof of purchase, such as a receipt, for warranty claims.

Refer to manufacturers manual for full warranty details.

Customer Reviews

rbarr68

Clinton. Iowa

Aug 29, 2020

Worst smoker I have ever ownex

Do not purchase this unit, poor quality and service. I have owned several smokers. This was my first pellet smoker. Thought originally I assembled it wrong.... nope! Then thought maybe the heating element was bad.....nope! Controller just won't maintain temp. Either 130 F or 300F nothing in between. Guess it is a good fish smoker! Do not purchase save your money!

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Roeth's Beef

OH

Dec 17, 2019

Exactly What I Needed

GREAT Smoker, Assembly was easy. took 45 minutes. Set up and instructions were on point to season as well as first use. Smoked a boston butt & a Brisket first run held consistently for 8 hours, Smoke rings were impressive. I had to refill the Hopper ever 3.5 hours keeping temp at 225F. When Seasoning at 350F hopper ran out in 2.5 hours

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Nick

Illinois

Dec 1, 2019

Worst smoker ever

Will not smoke and heat at the same time, and constantly overfills the crucible. It's nothing but an outside oven, at best. And masterbuilt has ZERO customer service. I will never buy from them again.

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Mike

Whitehouse, TX

Nov 28, 2019

Most inconsistent smoker I've ever used.

I bought this smoker thinking it was going to be less of a headache than my old firebox smoker. I was way wrong in my thinking. I have had occassions where the temperature during a smoke cycle would drop from the 230's to the 60's in an hour and not come back up to temperature without completely resetting the smoker. Thanksgiving was almost a bust because while the smoker was in the smoke cycle, the control unit decided it wanted to overfill the crucible which would not allow the heat cycle to kick back in. Luckily I checked the smoker soon enough to catch it before losing too much temp in the turkey. Customer service has pretty been non-existent. They want videos and pictures of everything that's going wrong. Everything is also done through email. I have not been able to find a customer support number anywhere. Mind you, this is not BBQ Guys support that I'm talking about, this is Masterbuilt customer service.

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Daniel

Fremont Nebraska

Oct 13, 2019

dissatisfied compared to mes40

Got the product assembly was a breeze. Did initial break in seasoning. After that ignition quit. Got new ignition after 3 or 4 weeks still does not work. Waiting on a control panel for 2 weeks now. I just want to use my product. I really don't want to return it. I just want problem free operation like my mes40 was

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Questions & Answers

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Question:
Is this electrical or does it just operate on the pellets?Was This Helpful?
Answers:

Hi, Nathan. This smoker will require a grounded electrical outlet.

Asked by Nathan | Answered by Brianna
Question:
Is this manufactured in the USA?Was This Helpful?
Answers:

Hi, Adrian. This smoker is made in China.

Asked by Adrian | Answered by Seth
Question:
Can you smoke a brisket in this? How long do the pellets last?Was This Helpful?
Answers:

Hi, Caesar. You can smoke a brisket in this smoker. As far as how long the pellets last, there's really no set time period, as that will depend on the temperature you want and how often you use the smoker.

Asked by Caesar | Answered by Seth
Question:
What are the internal dimensions of this smoker? I'm trying to figure out if I can fit a whole brisket in there at once, rather than have to cut it in half or separate out the point and the flat.Was This Helpful?
Answers:

Hello. The racks are about 19 X 13 inches, so a full brisket should fit without needing to split it.

Asked by blkshirt | Answered by Seth
Question:
Is my smoker temp supposed to drop when smoke option is selected? Should it not remain constant temp regardless if "cooking" or "smoking"? Thanks, Chris Pollock(new owner)Was This Helpful?
Answers:

Hi, Chris. Yes, the temperature should drop. The temperature drops so the pellets can smolder and produce more smoke. It will go back up to your cooking temperature once the smoke cycle is finished. Here's the quick start guide for more information: https://cdn.shocho.co/sc-specsheets/Pellet_Quick_Start_Guide_20250918.pdf

Asked by Chris | Answered by Seth

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Class

Entry-Level------

Fuel Type

Pellets------

Collection

MWSGravity SeriesGravity SeriesGravity Series

Smoker Type

Vertical------

Smoker And Grill

No------

Best Use

Residential------

Max Temperature

350 F------

Configuration

Freestanding------

Exterior Material

Painted Steel------

Number Of Racks

4------

Primary Color

BlackBlackBlackBlack

Water Smoker

No------

Nsf Certification

No------

Main Grilling Area

977 Sq. Inches------

Total Grilling Area

977 Sq. Inches------

WiFi/Bluetooth Enabled

None------

Thermometer

Digital------

Made in USA

No------

Size

Large (34 - 42")61"55"--

Width

36.2"61.024"56"19.3"

Height

52.75"48.031"47"5.5"

Depth

24.6"20.866"18"16.2"

Weight

111 lbs5 lbs4 lbs23 lbs

Proposition 65

WARNING:
This product can expose you to carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
This product can expose you to chemicals including Lead and Di(2-ethylhexyl) phthalate (DEHP),which are known to the State of California to cause cancer and birth defects or other reproductiveharm, and Diisononyl phthalate (DINP), which is known to the State of California to cause cancer.For more information go to www.P65Warnings.ca.gov.

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Carriers that deliver without an appointment don't require you to be home or set up a delivery window, and you aren't required to sign for the pallet(s). Instead of scheduling an appointment, arranging your schedule to be home for the delivery, and signing to confirm receipt, you can sit back and let your items come to you. If you're home at the time of the drop-off, you can request the driver place your delivery in the garage; if you're out of the house, the driver will leave it near the garage or doorstep.

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