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
Us appliance.34958211
20 April 2020

Very pretty. Microwave door opens down vs to the side-a little awkward but have gotten use to it. If your oven sits high and you are short, it might be a problem. Wish the buzzer was much louder-there should be a volume control. Good well and easy to operate for the most part.

22 February 2021

Easy to purchase... good installation... took the old one away. Only negative ... they were supposed to call 1/2 before arrival. They called at 8:00 AM from my driveway and I couldn’t let them right in. I was still in my PJ’s:)

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.

Abt electronics.32817785
24 April 2018

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

11 November 2018

The oven is very attractive and works exactly as expected. The Microwave controls are a bit complicated but we had a similar unit in our previous house so already were experienced with the controls. I love the pull down microwave door rather than a swing door.

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.

Us appliance.34958211
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

28 June 2019

The microwave is very large and so far does a good job. I didn't think I would like the knob they use for selecting but it actually isn't too bad, it provides an easy way to scan through the cooking options. Finally a buzzer I can hear, it rings until I respond.

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.

22 June 2019

Oven is great looking and works well, however the microwave does not warm as well as the unit it replaced at same power. As an electronics tech, I’m concerned about the dependability of the control switch/ knob as it is used for EVERY command .

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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