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Boston Appliance Winner of Best of Northshore EDITORS' CHOICE AWARD

Boston Appliance Showroom ®

60 Cummings Park, Woburn, MA 01801

Samsung Logo

30" Flex Duo Single Wall Oven in Stainless Steel

Model # NV51K7770SS

 2.4 out of 5 (7 Reviews)

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Available in 2 Color(s)

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Note: Due to manufacturer policy, this product cannot be added to your cart.
Contact Boston Appliance ® for more details.

Steam Cook

Bake, broil and roast with a cooking system that delivers moisture at the right times to ensure tenderness.

Flex Duo Technology

A removable divider that converts one oven to two to cook multiple dishes at once.

Dual Convection

Two powerful convection fans that circulate heat cooks food evenly and saves time.

Blue LED illuminated knobs

Distinctive blue LED lights illuminate when the oven is in use.

Wi-Fi Connectivity

Monitor and control the oven from anywhere.

Gliding rack

Provides the simplest access to food in the oven.

Gourmet Cook

Gourmet Cook is a pre-programmed recipe guide that helps you cook with consistently great results.


  • Flex Duo technology lets you cook two dishes at different temperatures, while an easy-fill tray lets you bake, broil, and roast with precise moisture.

From the Manufacturer

Interactive Tour

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Key Features
Steam Cook Yes
Gourmet Cook (Auto Cook) Yes
Flex Duo Yes
Gliding Rack (qty) 1
Blue LED Illuminated Knobs Yes
ADA Compliant Yes
Standard Features
Wi-Fi Connectivity Yes
Self Clean Hybrid & Self Clean
Temperature Probe Yes
Number of Rack Positions 6
Total Racks 3 (2 wire, 1 gliding)
Wire Rack (qty) 1
Delay Start Yes
Kitchen Timer Yes
Sabbath Mode Bake
Child Safety Lock Yes
Interior Lights (qty) LED + Halogen
Oven Type Flex Duo Single Wall Oven
Color Stainless Steel
Controls for Oven Digital-Analog Controls
Knob Lighting Indicator Light
Display Color Ice Blue
Soft Close Door Yes
True Convection Dual Convection
Bake 175°F (80°C) - 550°F (285°C)
Variable Broil Low - High
Steam Bake 230°F (110°C) - 550°F (285°C)
Steam Roast 230°F (110°C) - 550°F (285°C)
Gourmet Cook (Auto Cook) 10 ea
Favorites (App Only) 20 ea
Rapid Preheat Convection Mode
Oven Capacity 5.1 cu. ft.
Weights & Dimensions
Product Weight 149.9 lbs.
Cut-Out Dimensions 28 1/2" W x 27 1/4" H x 23 1/2" D
Product Dimensions 29 7/8" W x 28 5/8" H x 25 11/16" D

Samsung Buy More Save More Delivery and Installation Rebate

  • Rebate Ends: 2/29/2020
  • Must be postmarked by: 4/30/2020
  • Description: Enjoy exclusive rebate savings with purchase of qualifying Samsung Appliances. Rebate form must be postmarked by 4/30/2020.
  • Download Rebate Form

Samsung Ready2Fit Guarantee

  • Rebate Ends: 12/31/2020
  • Must be postmarked by: 1/31/2021
  • Description: Receive up to a $300 rebate toward a professional cabinet retrofit if your new qualifying Samsung 30inch Built-In Wall Oven or 30inch or 36inch Cooktop does not fit existing cabinet cut out or countertop housing. Rebate form must be postmarked by 1/31/2021.
  • Download Rebate Form

Samsung Home Refresh Appliance Package Rebate

  • Rebate Ends: 3/4/2020
  • Must be postmarked by: 6/2/2020
  • Description: Purchase 3 or more qualifying Samsung appliances and receive a 10% rebate. Rebate form must be postmarked by 6/2/2020.
  • Download Rebate Form

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 and 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.

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Questions or Comments?
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out of 5 (7 Reviews)

14% of reviewers recommend this product.

Good concept, improvements needed.

Submitted by KevinF - 12/13/2019

need more racks. faster light switch reaction needed. need more room for review.
Originally posted on

Yes, I recommend this product

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Self cleaning bad

Submitted by Pinky57 - 10/29/2019

the first time we decided to try the self cleaning. it fried all four circuit boards. to repair it would cost $1500. warranty expired last month!! i dont recommend buying.
Originally posted on

No, I do not recommend this product

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Would give it zero stars

Submitted by Hate this oven - 2/24/2019

Don't waste your money. We have had nothing but problems with this oven. Parts have been replaced. Still have issues. Uneven cooking on baked goods. NEVER have been able to use connectivity to App and WiFi. I ask for a replacement. Never happened.
Originally posted on

No, I do not recommend this product

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not too happy

Submitted by davenla - 1/12/2019

installed dec.28 already a burnt out fan motor ,lucky still under warr.
Originally posted on

No, I do not recommend this product

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Major Repair w/in 18 months

Submitted by Mutts Mom - 11/28/2018

We bought this oven (or last year's version of it) in 2017. Two weeks ago we received an error message after cooking indicating there was a problem w/ the cooling motor? Almost $600 later our oven is fixed and nothing is covered by the warranty. How does a cooling motor break after 18 months of moderate use?? You'd think you buy a $2000+ oven and you'd get a certain level of quality but obviously not. I spent over $10,000 on Samsung appliances when we redid our kitchen last far the dishwasher door had to be replaced and now this issue w/ the oven. Your customers deserve better Samsung.
Originally posted on

No, I do not recommend this product

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not a substitue for a double oven

Submitted by Kevin F - 11/26/2018

Not exactly a double oven, but gives you some options. Installed in time for pre-Thanksgiving cooking, we had little time to learn. On the positive, it preheats very fast, and shows you the interior temp as it's heating up. It is attractive with stainless exterior, blue enameled interior, and a touch screen for programming your cooking and delay start. Has excellent interior lighting, lower section illuminated in front by lights built into the door; no shadowing from above. It is a steam oven, when you want one, but the water must be drained from the oven after use and is Wi-Fi control, if you first set the oven to that setting. Setting it up was complicated. As a single oven, the convection fans turn on and off to distribute the hot air, however the top of the oven is still the hottest area and they did not correct that. The divider allows cooking at 2 different temps, within a range, but of course, limits the size of dish that can be accommodated. The gliding rack makes easy handling a heavy dish, but has limited positions in a divided oven and takes the space of 2 racks, and then only shallow pans can be used on it. The digital panel displaying a digital clock goes dark after 2 hrs., you'll only find this noted in the manual's fine print, so don't expect to have a clock in the kitchen on this appliance, as the company's promo pics show. And response does lag. The interior oven glass(??) is scratched by Teflon scouring pad, such as that on the back of a sponge. CustServ says it's glass, but can provide no explanation as to why it would be scratched,(or another contact to talk to about it.) Lost in translation, the user's manual does not otherwise provide specific care instructions for the glass parts. In one place(pg51,) it says do not use steel wool pad, but elsewhere(pg42,) it says a soap-filled steel-wool pad(Brillo) can be used on the exterior frame?! The Hybrid cleaning mode with steam did not effectively clean after our Thanksgiving cooking and spills, with its burnt-on grime. Trying self clean, now. Crossing fingers that we don't have problems develop as some other reviewers have noted. Purchased extended gap coverage from dealer, just in case.
Originally posted on

No, I do not recommend this product

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Designed by techs with no interest in real baking

Submitted by Sam N - 11/2/2018

We bought this a month ago and I regret not checking the reviews first. The interface is a mess: we've burned multiple recipes just because the timers require a non-intuitive two-touch confirmation, the touchscreen is laggy, meaning you're frequently pushing the screen multiple times to get the feedback you want, and the temperature knobs make no sense at all (click back and forth to raise/lower temperature? On a rotating knob?) Oh, and the wifi/smart features don't work at all (thousands of reviews on the app confirm this). The broiler is overpowered to the point of being unusable. High broil chars things in seconds, and even low broil requires you to use a lower rack to prevent burning too quickly. It bakes things just fine and it looks pretty, so there's that. But I'm deeply unhappy with Samsung's inattention to detail in this very expensive oven.
Originally posted on

No, I do not recommend this product

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