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30-Inch Convection Combination Microwave Wall Oven, Architect® Series II

This 30-inch microwave wall oven combination offers both microwave and oven convection cooking options so that you can enjoy exceptional performance and versatility for the way you cook. The lower oven features our Even-Heat™ True Convection System and Even-Heat™ Preheat which lets you enjoy the most even baking.


Black Stainless Steel White
Stainless Steel  -  KEMS309BSS
  • Features
  • Specifications
  • Ratings & Reviews
  • Manuals & Warranty
  • Accessories

Even-Heat™ True Convection Oven (lower oven)

Provides consistent heating and even cooking on all racks with a unique bow-tie shaped design and convection fan that helps ensure the most even baking.

Even-Heat™ Preheat (lower oven)

Helps remove cold spots to help ensure even baking because the entire oven, including the walls and racks, are heated to the correct temperature.

Microwave Convection Cooking (upper oven)

Increases the speed of cooking and provides a secondary convection cooking option.

Additional Features

EasyConvect™ Conversion System

Takes guesswork out of convection cooking by ensuring you can get exceptional results when experimenting with new or familiar recipes.

Crispwave™ Microwave Technology and Crisper Pan (upper oven)

Allows the microwave oven to be used for grilling, frying, and convection cooking. The specially designed crisper pan can be used to brown, crisp, and pan-fry foods.

Glass-Touch Display with Control Lock Function

Features a responsive, easy-to-use interface that is also easy to clean.

SatinGlide™ Roll-Out Extension Rack (lower oven)

Allows easy loading and features an easy-grip handle, giving you the confidence when cooking with large or heavy dishes.

1.4 Cu. Ft. Capacity (upper oven)

The upper microwave oven gives you family-size capacity that complements the lower convection oven.

5.0 Cu. Ft. Total Capacity (lower oven)

Gives you an extra-large capacity for holding your largest turkeys and roasts. It also lets you prepare multiple dishes at the same time.

Configuration and Overview

Fuel Type
Star K Compliant

Oven Features

Number of Oven Lights
Steam Cooking
Broiler Location
Top Center
Oven Rack 1 Type
Heavy Duty
Door Broil Position
Convection Element Type
Broiler Element Power
Oven Interior Depth
Oven Interior Width
Oven Rack 3 Type
Gliding Roll-Out
Bake Element Power
Interior Color
Convection Element Power
Interior Coating
Oven Interior Height
Rack Guide Type
Bake Element Power
Broiler Element Power
Hidden Bake Element
CleanBake™ Hidden Element
Number of Oven Racks
Oven Rack 2 Type
Heavy Duty
Number of Rack Guides

Oven Controls

Display Type
Digital Display
Control Type
Glass-Touch Electronic Controls
Add a Minute, Automatic Door Latch, Bread Proofing, Cancel/Off, Clock, Control Lockout, Cook Time, Defrost, Delay Cook, Hidden Bake Element, Reheat, Start Time, Stop Time, Temperature Probe, Timer
Display Color

Microwave Details

Turntable Diameter Size
Door Swing
Drop Down
Number of Racks
Interior Light
Cooking Power Wattage
Door Release
Grill Power Wattage

Microwave Controls

Quick Touch Settings
Cook Time, Crispwave™, Defrost, Popcorn, Reheat, Soften/Melt, Steam Cook
Sensor Cooking

Style and Extras

Door Type
Metal & Glass
Handle Color
Color Coordinated
Handle Material
Flush Installation Approved
ADA Compliant
Oven Window Size


Cutout Height
41 5/16
42 9/16
26 15/16
Cutout Depth
Cutout Width
28 1/2

Product Dimensions

  • 26 15/16
  • 42 9/16
  • 30

Dimensions are for planning purposes only.
For complete information, visit owner center.

Rated 4.4 out of 5 by 79 reviewers.
Rated 1 out of 5 by SO ANNOYINGLY LOUD I rarely take the time to write product reviews but stopped in the middle of a baking project to walk over to the computer to write this one. This oven is very loud and it's loud the entire time it's being used, from the moment you preheat (which by the way this oven take a really long time to do) to the moment you turn it off, it's like an engine is revving in your kitchen. The oven LOOKS lovely and functions as an oven should, but the noise is really unpleasant background sound. I find myself feeling annoyed every time I use it, which is unfortunate for my family . . . January 12, 2014
Rated 5 out of 5 by This oven has good features, is easy to use, and is very efficient. The convection cook option adds great flexibility to cooking meals, We recently installed this oven. Easy to operate and makes cooking easy and enjoyable. The product features are complimentary and cooking performance is excellent. May 14, 2013
Rated 5 out of 5 by Lots of features - a bit confusing to set up. I like this oven but it is a bit confusing to set up & use...It has lots of functions & if you use it 3 times a day I'm sure the controls are easier to remember, but I use it 3 times a week & it takes a moment to set up temperatures & such. May 15, 2013
Rated 4 out of 5 by Very pleased This products is pleasing to the eye. A great addition to any kitchen. The performance is exceptional. I wouldn't have purchased any other product. The down side to this is that it takes a bit of time to warm up. Unless you get in the habit of using rapid preheat (which I haven't seen on any other product) and use that all the time, the wait is quite long. Other than that, I am 110% happy with this purchase. May 14, 2013
Rated 5 out of 5 by Very pleased with this product! Like the sleek design and ease of use - am enjoying the large oven May 15, 2013
Rated 4 out of 5 by Convection is a great feature, cooks food evenly and quickly. Fan is a little noisy but all else is great. Food cooks rapidly with convection and rapid preheat function is nice. Typical kitchenaid quality and sleek styling. May 15, 2013
Rated 5 out of 5 by Both my husband and I have been very happy with the quality and beautiful appearance of this microwave / convection oven combl. This was not the easiest combination to install, very heavy but was worth the effort it is beautiful and functions as well or better than a commercial oven. May 15, 2013
Rated 5 out of 5 by excellent design, replaced a jenn air! Better quality and design than the jenn air it replaced. May 15, 2013
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Warranty Information

A complete description of your warranty coverage, and contact information for service and support.


Dimension Guide

Detailed dimensions of your new appliance with space requirements for the area surrounding it.


Use & Care Guide

Comprehensive information about your new appliance - from getting started to cleaning and maintenance.


Installation Guide

Instructions for unpacking and installing your appliance, including electrical requirements and necessary tools.


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Accessories you'll want

Part # W10355010
Use the powerful cleaning action of affresh™ Kitchen & Appliance Cleaner to cut through the residue and leaves a streak-free shine. It leaves behind a pleasant citrus scent. Cleans everyday kitchen spills.
MSRP: $4.99
Part # W10282973A
Heavy-duty roll-out racks feature full extension glides on ball bearings that slide out smoothly for easy access to large meals.
MSRP: $95.99
Part # W10282971A
Heavy-duty roll-out racks feature full extension glides on ball bearings that slide out smoothly for easy access to large meals. Also has an integrated handle for easy access.
MSRP: $99.99
Part # W10495947
Order the FIT kit if you would like to make your combo oven fit into a taller cabinet. Kit contains trim for all 3 color installations (stainless, black and white). Applicable for cutout heights between 41-13/16" and 42-1/4" and cutout heights between 42-7/8" and 43-5/16".
MSRP: $63.99
Part # W10355016
Affresh™ stainless steel cleaner leaves a streak-free and polished shine. It gently cleans fingerprints, smudges and residue. Use stainless steel cleaner on refrigerators, dishwashers, ranges, and microwaves.
MSRP: $6.99
Part # 31462A
Stainless Steel Appliance Cleaner and Polish keeps stainless steel surfaces shining like new. Its powerful, no-shake formula works great on all appliances by removing food spills, grime, and stains. Stainless Steel Appliance Cleaner and Polish also works on grills and sinks.
MSRP: $6.99

Replacement Parts

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