GE 30" Black Electric Combination Wall Oven

Model: JT3800DHBB

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CA Prop. 65 CALIFORNIA RESIDENTS ONLY - WARNING: Cancer and Reproductive Harm -

Wall Ovens

Assembly Required No
Secondary Oven Racks 3
Digital Temperature Display Yes
Convection No
Clock Digital
Delay Bake Yes

Tech Specs

Capacity 6.7 Cu. Ft.
Fuel Type Electric
Upper Oven Capacity 1.7 Cu. Ft.
Lower Oven Capacity 5.0 Cu. Ft.
Voltage 240
Amps 30


Appliance Color Black
Weight 220
Type Combination


Oven Features Conventional, Delay Bake, Digital Clock, Digital Temperature Display, Interior Oven Light, Microwave, Removable Door, Sabbath Mode, Self Cleaning, Timer, Turntable, Viewing Window


Cutout Height 42.25
Exterior Width 29.75
Exterior Depth 27.19
Width 29.75
Cutout Width 28.63
Height 44
Depth 27.19
Cutout Depth 23.5
User Reviews
24 June 2017

We have the unit installed but have not actually used as kitchen remodel is not complete. Although we were very surprised at how Dee and wide both the microwave and oven are. I thought this would be too big as this was replacing a small 25 yr old wall oven combo, but it fits perfect.

24 April 2018

I love the way it cooks. I like the profile it fits in my new kitchen perfectly!

28 March 2015

It looks great, cooks evenly, bakes better than the previous oven.

  • +

    Easy To Clean, Heats Up Quickly, Simple Controls, Well Built / Quality

31 May 2017

Had the unit less than a month and it began to produce a loud buzzing sound. Had a repair tech come out, put in a new motor, but it still didn't resolve the issue. The tech ended up placing double-sided adhesive between all metal components and that seemed to do the trick.

25 May 2017

We recently purchased this oven / microwave combo as part of our kitchen makeover, very happy with both function and appearance. The microwave is huge! and the lower oven is also larger than expected. The controls are very easy to use and plenty of options for both ovens.

1 November 2016

The dial controls for the microwave are absurd. Rather than a key pad to punch in the time and then a start button you need to dial in the time, only in 15 second intervals rather than 1 second intervals, push in the dial button, dial in the power level, push in the dial button then push the dial...

30 January 2017

I bought this oven microwave combo last month and just had it installed. It is well built, has a large capacity both to the oven and microwave. A little learning curve on setting the microwave time, power, level etc. but it is very intuitive. Very happy with this purchase

18 December 2018

I bought this product because my previous dual oven is not usable in less than 9 years: Microwave died and Oven rusted through. However, I found this product is poorly designed for installation.

16 June 2017

This wall oven is amazing. Even though this is a base model that does not have all the GE bells and whistles it still is better than the GE wall oven that I had to replace that did have all the extra features. This microwave and oven works amazingly and is so easy to use.

25 May 2017

Like that it features the microwave and oven together eliminates using counter space.

Product Description
  • 1.7 cu. ft. Microwave Capacity
  • Sensor Cooking Controls (Upper Oven)
  • Provide a built-in sensor in the upper microwave that automatically calculates and adjusts cooking times and power levels for favorite foods
  • 16" Turntable (Upper Oven)
  • Rotates food throughout the cooking cycle for even cooking results
  • Self-Clean with Steam Clean Option (Lower Oven)
  • Clean your oven the way you want
  • Self-Clean Heavy-Duty Roller Rack (Lower Oven)
  • Easily access items with a rack that glides smoothly
  • Glass Touch Controls
  • Set temperatures quickly and clean with little effort
  • Halogen Interior Oven Lighting (Lower Oven)
  • Easily see how your food is baking


  • GE Fits! Guarantee: Replacing a similar wall oven from GE or another brand? GE wall ovens are guaranteed for an exact fit to make replacement easy.
  • 1.7 cu. ft. microwave capacity (1000 Watts (IEC-705 test procedure):
  • Sensor cooking microwave (upper oven): Provide a built-in sensor in the upper microwave that automatically calculates and adjusts cooking times and power levels for favorite foods
  • 16" turntable (upper oven): Rotates food throughout the cooking cycle for even cooking results
  • Self-clean with Steam Clean option (lower oven): Clean your oven the way you want
  • Self-clean, heavy-duty oven racks (lower oven): Conveniently clean your oven and racks together
  • Glass touch controls: Set temperatures quickly and clean with little effort
Product Highlights
  • Width: 29.75"
  • Height: 44"
  • Depth: 27.19"
  • Capacity: 6.7 cu. ft.
  • Fuel Type: Electric
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