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ChiTownInfo1 31.1K Views
Apr 23, 2026 2:22 AM

Select Areas: Costco: KitchenAid 5 cu ft Wall Oven + 1.4 cu ft Microwave Combo

$900

$2,999

69% off
+ Free Delivery & Setupat Costco Wholesale
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Deal Details
Select Costco Wholesale Locations have for their Members: KitchenAid 1.4 cu. ft. Upper and 5.0 cu. ft. Lower Capacity Combination Microwave Electric Wall Oven with Air Fry Mode (KOEC430RSS) on sale for $899.97. Delivery is free where available and includes basic installation, parts and haul away.

Thanks to Community Member ChiTownInfo1 for sharing this deal.
  • Note: Pricing and availability for purchase will be VERY limited.
Details:
  • 2-year Manufacturer's Warranty
  • Temperature Probe
  • Microwave Convection Cooking
  • Even-Heat™ True Convection
  • Air Fry Mode
  • In-Wall Oven and Microwave Combo

Editor's Notes

Written by SaltyOne | Staff
  • Get 1%-5% cash back on deals like this with a cash back credit card. Compare the available cash back credit cards here.
  • At the time of this posting, our research indicates that this is $200.02 lower than the next best comparable online prices starting from $1,099.99.
Please see the original post for additional details & refer to the comments below for discussion.

Original Post

Written by ChiTownInfo1
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Select Costco Wholesale Locations have for their Members: KitchenAid 1.4 cu. ft. Upper and 5.0 cu. ft. Lower Capacity Combination Microwave Electric Wall Oven with Air Fry Mode (KOEC430RSS) on sale for $899.97. Delivery is free where available and includes basic installation, parts and haul away.

Thanks to Community Member ChiTownInfo1 for sharing this deal.
  • Note: Pricing and availability for purchase will be VERY limited.
Details:
  • 2-year Manufacturer's Warranty
  • Temperature Probe
  • Microwave Convection Cooking
  • Even-Heat™ True Convection
  • Air Fry Mode
  • In-Wall Oven and Microwave Combo

Editor's Notes

Written by SaltyOne | Staff
  • Get 1%-5% cash back on deals like this with a cash back credit card. Compare the available cash back credit cards here.
  • At the time of this posting, our research indicates that this is $200.02 lower than the next best comparable online prices starting from $1,099.99.
Please see the original post for additional details & refer to the comments below for discussion.

Original Post

Written by ChiTownInfo1

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Top Comments

H0rHay
50Comments
37Reputation
As someone who sold appliances and did kitchen design for about 10 years I would always to my best to talk customers out of a combo unit like this. Most ovens will far outlast the built in microwaves in these types of units. Better to get two separate units (a microwave plus a trim kit or if you have the space/power consider a speed cook, air fryer, microwave combo).
Go to Comment

Community Reviews

This KitchenAid wall oven and microwave combo stands out as a strong value because delivery and install are included, and the 30 inch size is a useful fit detail for planning. The oven side gets some credit for lasting longer than the microwave, and the package can make sense if the price is the main draw. The biggest concern is reliability, especially the microwave, with reports of weak heating, repeated failures, touchscreen problems, and costly repairs. It reads like a practical deal only if you are comfortable with possible microwave trouble down the road.

Common Questions (5)

  • The microwave can often be repaired with parts like the magnetron, inverter, door switch, or torsion springs, and similar magnetrons may fit if the configuration and power range match. The catch is that repairs can be costly and may not last long if the underlying issue returns.

    ComcastratedCouponFinder99FlyNHiDanzilla

  • The microwave is the weak point: reports mention repeated failures, error codes, magnetron/inverter replacements, and touchscreen issues after a few years. The oven section is generally described as lasting longer than the microwave.

    bbyf1601Comcastratedsernitermrhockeypuck

  • Separate units are often recommended because the microwave usually fails before the oven, and a combo can force you to replace both. A common alternative is a wall oven plus a separate microwave with a trim kit or wall-mount kit.

    jwhite326linksyssH0rHaymrhockeypuck

  • Yes, it can be a strong buy if you value delivery, install, and haul-away and are willing to accept microwave risk. The deal is described as a screaming deal or phenomenal deal, especially if the unit arrives trouble-free.

    SlickCrown7960xjimmyxcatbert09

  • Yes, this is a 30-inch model, so it needs a 30-inch opening and should be checked against your existing cutout before ordering.

    wikipost

AI-generated summary based on comments from the community. Updated ago

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39 Comments

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Apr 25, 2026 1:02 AM
478 Comments
Joined Feb 2008
jwhite326Apr 25, 2026 1:02 AM
478 Comments
Looked at this a few years ago. Ultimately decided against it. The reliability gave us pause. And with the combo approach, if one part breaks, you get the thrill of having to replace both. I can see why the manufacturer likes it.

Instead just bought a Whirlpool wall oven and a Panasonic microwave with a wall-mounting kit. Neither was particularly expensive. I think we spent 600-ish on an open-box oven from Best Buy and about 200 on the microwave. We did have to change the wall openings a bit, but it wasn't too hard. We are much more satisfied with this setup.
Apr 25, 2026 1:12 AM
226 Comments
Joined Jul 2024
RelaxedCreature628Apr 25, 2026 1:12 AM
226 Comments
Quote from DonTreadOnMe View quoted comment :
Good luck. Often LG, Samsung, etc deny fixing these and other appliances due to no replacement parts. This isn't a 10yr old Kenmore.
Don't know when this appliance came out, but California law (went into effect on 2024) requires manufacturers to make parts, tools, and documentation available to consumers for seven years after the production of a device priced over $100.
Apr 26, 2026 12:01 AM
1.4K Comments
Joined Oct 2007
ktlewis02Apr 26, 2026 12:01 AM
1.4K Comments
Never. Buy. Combos.
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Apr 26, 2026 12:05 AM
2.6K Comments
Joined Dec 2012
coolchicagoguyApr 26, 2026 12:05 AM
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2.6K Comments
I have a 10+ year old KitchenAid Wall Oven Microwave combo which was part of the "upgraded" kitchen when we bought our home. It's been good except earlier in the year when the microwave door malfunctioned. Thankfully, home appliance warranty covered it with a $100 deductible.

Overall, good experience as we were given a choice of either Whirlpool or KitchenAid for the appliance upgrade (Oven, Microwave, Stove & Range Hood) and we were recommended to pick KitchenAid. However, can't guarantee if the newer models are as robust as the old ones.
Apr 26, 2026 12:27 AM
34 Comments
Joined Nov 2023
NeatStove414Apr 26, 2026 12:27 AM
34 Comments
Quote from DonTreadOnMe View quoted comment :
Mine hasn't died, but microwave sucks. Can't pop a bag of popcorn.
Same but I really love the unit. Got a $30 college dorm microwave to pop popcorn lol
Apr 26, 2026 12:31 AM
2.5K Comments
Joined Jul 2012
linksyssApr 26, 2026 12:31 AM
2.5K Comments
Quote from jwhite326 View quoted comment :
Looked at this a few years ago. Ultimately decided against it. The reliability gave us pause. And with the combo approach, if one part breaks, you get the thrill of having to replace both. I can see why the manufacturer likes it.

Instead just bought a Whirlpool wall oven and a Panasonic microwave with a wall-mounting kit. Neither was particularly expensive. I think we spent 600-ish on an open-box oven from Best Buy and about 200 on the microwave. We did have to change the wall openings a bit, but it wasn't too hard. We are much more satisfied with this setup.

Did something similar 5 years ago, and haven't had any problems with either of them. Both are GE, but entirely separate items instead of a combo. Also had to use the trim kit for the microwave.
Apr 26, 2026 12:51 AM
50 Comments
Joined Jul 2011
H0rHayApr 26, 2026 12:51 AM
50 Comments

Our community has rated this post as helpful. If you agree, why not thank

Quote from bbyf1601 View quoted comment :
Was going to buy it until I read the reviews and everyone is complaining about having to replace it multiple times due to the microwave dying. I think there's a reason it's being clearanced out.
As someone who sold appliances and did kitchen design for about 10 years I would always to my best to talk customers out of a combo unit like this. Most ovens will far outlast the built in microwaves in these types of units. Better to get two separate units (a microwave plus a trim kit or if you have the space/power consider a speed cook, air fryer, microwave combo).
2

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Apr 26, 2026 1:38 AM
331 Comments
Joined Oct 2021
Earmstrong80Apr 26, 2026 1:38 AM
331 Comments
Ty op
Apr 26, 2026 1:41 AM
879 Comments
Joined Apr 2006
fletch8527Apr 26, 2026 1:41 AM
879 Comments
Quote from SlickCrown7960 View quoted comment :
Available in Michigan. Seems like a phenomenal deal
What store(s)?
Apr 26, 2026 2:02 AM
138 Comments
Joined Jul 2023
FabulousNose6262Apr 26, 2026 2:02 AM
138 Comments
nice !!!
Apr 26, 2026 2:58 AM
421 Comments
Joined Apr 2005
3ackokApr 26, 2026 2:58 AM
421 Comments
Quote from FlyNHi View quoted comment :
This is getting to be more common even though Panasonic is a good maker (they make a lot of brand under license so does LG, Panasonic etc) there have been strings of bad magnetrons(that the supplier issue and most are made for them in China) out there across the board. Magnetrons are available and i change them out all the time. Its not a fix for everyone as there is a couple hours to remove unit. Properly open acess then ensure its discharged then (test) Install new and i always change the fusesable link. I just had a LG at 1 year 3 days yet the client called it in in the 12 month and they refused warrranty 1 year. This whole magentron issue is a problem from the suppliers making junk Major manufacturers of microwave magnetrons for consumer appliances include Sharp, Panasonic, and LG, with many units produced in China by Midea. For industrial, medical, and defense applications, specialized manufacturers like CPI Electron Device Business, Hitachi, and Richardson Electronics are industry leaders.
Are the magnetrons model specific, or is it relatively easy to find something compatible with similar specs?
Apr 26, 2026 5:34 AM
9.9K Comments
Joined Oct 2008
DanzillaApr 26, 2026 5:34 AM
9.9K Comments
Have a 15 year old Kitchenaid Superba builtin combo. Can't say it's been problem free, but with a bit of know how and willing to DIY, we've kept it going without needing to replace the whole thing. We replaced the micro door switch*, lamp, god awful microwave door torsion springs at least half a dozen times or more before giving up on them, and magnetron twice. Oven had a couple issues, like the locking mechanism getting stuck closed, but has been more the reliable of the two.

*weird issue turned out to be the door wasn't fully closed (due to it being spread wide a bit after repeated opening and re-installing screws in plastic in order to replace stupid torsion springs in the door. Because the inner surface wasn't 100% down, it was keeping the safety switches from engaging and the micro assumed the door was still open.
Apr 26, 2026 5:45 AM
9.9K Comments
Joined Oct 2008
DanzillaApr 26, 2026 5:45 AM
9.9K Comments
Quote from 3ackok View quoted comment :
Are the magnetrons model specific, or is it relatively easy to find something compatible with similar specs?
Magnetrons are pretty similar from one residential micro to the next... just need the configuration and power range the same. Regardless of the part number, it'll likely be replaceable with any number of similar ones with that same ID (2M240H, etc) Problem is actually figuring the designator ID number when manufacturer and documentation usually only give you their own internal part numbers. Best bet is to search part sources like parts websites and even ebay and amazon for generic replacements for your model and try to glean what part number they'll be sending.

https://m.media-amazon.com/images...LHqiTL.pdf
Last edited by Danzilla April 26, 2026 at 07:25 PM.
1
Apr 26, 2026 12:05 PM
228 Comments
Joined Nov 2007
serniterApr 26, 2026 12:05 PM
228 Comments
Quote from jwhite326 View quoted comment :
Looked at this a few years ago. Ultimately decided against it. The reliability gave us pause. And with the combo approach, if one part breaks, you get the thrill of having to replace both. I can see why the manufacturer likes it.

Instead just bought a Whirlpool wall oven and a Panasonic microwave with a wall-mounting kit. Neither was particularly expensive. I think we spent 600-ish on an open-box oven from Best Buy and about 200 on the microwave. We did have to change the wall openings a bit, but it wasn't too hard. We are much more satisfied with this setup.
I hope the Whirlpool doesn't have a touchscreen. There are a lot of reports of these touchscreens failing at 2 to 3 years. Ours failed at 4 years and we're looking for solutions.

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Apr 26, 2026 2:59 PM
458 Comments
Joined Dec 2016
Retro2010Apr 26, 2026 2:59 PM
458 Comments
I hope my wife doesn't see this...

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