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Jenn-Air® 30" JX3™ Gas Downdraft Cooktop - Stainless Steel

Model # JGD3430BS

 4.2 out of 5 (93 Reviews)

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This Jenn-Air® luxury gas downdraft cooktop features four sealed burners, including a 17,000 BTU ultra-high output burner. Its impressive JX3™ downdraft ventilation system quickly and efficiently clears the air without a hood. This cooktop pairs beautifully with appliances in our Euro Style Stainless suites.

Features:

  • JX3™ Downdraft Ventilation System with 3-Speed Fan
  • DuraFinish™ Protection
  • 17,000 BTU Ultra-High Output Burner
  • Convertible to Duct-Free Ventilation
  • Electronic Ignition and Flame-Sensing™ Re-ignition
  • Four Sealed Burners
  • 425 CFM Rating
  • Easy-to-Clean Short Plenum
  • Dishwasher-Safe Air Grill
  • Dishwasher-Safe Burner Grates and Caps
  • Infinite Burner Control Settings
  • Porcelain-on-Cast-Iron Continuous Grates
  • Porcelain-Enamel/Stainless Steel Surface
External Dimensions
Depth 21 1/2
Height 18 7/16
Width 30
Cutout Depth 19 15/16
Cutout Height 20 7/16
Cutout Width 28 5/8
Key Features
JX3™ Downdraft Ventilation System with 3-Speed Fan - The powerful JX3™ downdraft uses proximity ventilation to capture smoke and cooking odors right at the cooking surface, to powerfully clear the air without requiring a hood.
DuraFinish™ Protection - With excellence in every detail, DuraFinish™ Protection keeps your cooktop's surface looking like new by resisting yellowing, staining, scratching and the most common effects of aging. Stainless steel models only
17,000 BTU Ultra-High Output Burner - Its ultra-high output helps you achieve exceptional results for high-heat cooking techniques like searing or wok cooking.
Convertible to Duct-Free Ventilation - Keep the view from your kitchen open and free from ductwork with this optional kit that allows conversion to duct-free ventilation.
Electronic Ignition and Flame-Sensing™ Re-ignition - Electronic ignition and Flame-Sensing™ re-ignition ensure a continuous flame that reignites automatically if blown out - even at the lowest setting.
Four Sealed Burners - The sealed burners, which prevent spills and drips from entering the burner box, make it easy to maintain a pristine cooking surface.
425 CFM Rating - This luxury gas downdraft cooktop's ventilation system operates at up to 425 CFM to effectively remove smoke, steam and cooking odors.
Easy-to-Clean Short Plenum - This plenum, which pulls the air through the ventilation chamber from its hidden position beneath the air grill, is easy to clean thanks to its short height.
Dishwasher-Safe Air Grill - This intake grill, which effectively captures smoke, grease and cooking odors as they're drawn through the system, can be easily cleaned in the dishwasher.
Dishwasher-Safe Burner Grates and Caps - The burner grates and caps can be easily removed and cleaned in the dishwasher, for effortless upkeep.
Infinite Burner Control Settings - Enjoy precise controls by selecting your preferred burner setting - from low to high and everywhere in between.
Porcelain-on-Cast-Iron Continuous Grates - These heavy-duty grates, which feature a porcelain coating to withstand high temperatures, form a continuous grid across the cooktop, allowing you to easily slide heavy pans from one burner to another.
Porcelain-Enamel/Stainless Steel Surface - This surface transfers heat efficiently and is highly durable, with a subtle sheen that's easy to maintain.
Specifications
Configuration and Overview
Cooktop Type Downdraft
Fuel Type Gas
Size 30
Installs Over Built-In Oven No
Burner or Element Style Sealed Burner
Cooktop Surface Material Stainless/Porcelain Coated Steel
Number of Cooking Element-Burners 4
ADA Compliant No
Amperage 15
Cooktop Features
Left Front Element-Burner Power 17,000 BTU
Left Front Element-Burner Type High Output
Left Rear Element-Burner Power 9200 BTU
Left Rear Element-Burner Type Burner
Right Front Element-Burner Power 5000 BTU
Right Front Element-Burner Type Burner
Right Rear Element-Burner Power 12,500 BTU
Right Rear Element-Burner Type Burner
Controls
Digital Display No
Downdraft Vent Yes
Heating Element On Indicator Light No
Hot Surface Indicator Light No
Control Type Knobs

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4.2

out of 5 (93 Reviews)

82% of reviewers recommend this product.

Replacement

Submitted by Margie - 3/17/2017

Position of the knobs

Yes, I recommend this product

Best Cooktop!

Submitted by Jules - 3/9/2017

I love the dependable quality and know my dishes will always turn out great! I've received so many compliments on my new cooktop!

Yes, I recommend this product

Nice Cooktop

Submitted by Lisa Andrews - 3/2/2017

Having some trouble keeping the cooktop cas clean as I'd like. Also cannot get the burners adjusted to go as low as I'd like for simmering.

Yes, I recommend this product

I love my new gas downdraft Jenn-Air cooktop! All Good!

Submitted by Ann Rice - 3/2/2017

High heat with this gas cooktop. I do lots of wok cooking

Yes, I recommend this product

Finally graduated...

Submitted by KC Cook - 2/23/2017

i finally graduated from the 30 inch Jenn Air downdraft electric cook top to the gas version. It is EXPENSIVE, but was the best gas option for my downdraft set up. So glad I bit the bullet...

Yes, I recommend this product

It works but not as great as I expected from Jenair

Submitted by Rita - 2/20/2017

Every Day Cooking

No, I do not recommend this product

excellent upgrade

Submitted by SKT - 2/8/2017

I had an 17-year old Jenn Air cooktop, and this is an amazing upgrade.

Yes, I recommend this product

I would buy this product again.

Submitted by Mary - 1/26/2017

So far, I am pleased.

Yes, I recommend this product

I like the cooktop

Submitted by Connie - 1/26/2017

It was our only choice to replace our previous Jenn-air cooktop because of size. Look great and works good too. Just seems strange that instead of turning down from low to off you can only turn off by turning up.

Yes, I recommend this product

Love my new cooktop

Submitted by Jennifer - 1/19/2017

I went from a difficult to clean white cooktop to this model. The day after installation I was cooking large holiday meals. Everything wipes clean with a cloth. All I can say is that i am thrilled.

Yes, I recommend this product

Love the look!

Submitted by CJ - 1/17/2017

Just received in late Dec. and glad to have it when we lost power; thanks to gas! I love the sleek, modern and clean design. Easy to use and glad to have the variety in burner sizes.

Yes, I recommend this product

Great Cooktop

Submitted by Brian P, - 12/2/2016

Our kitchen remodel only finished 2 days ago so we haven't actually cooked with the cooktop yet. But it looks great is solidly constructed. The burners ignite almost instantly, unlike our previous 20 year old Jennaire cooktop which could take several seconds to ignite and sometimes fail to ignight at all. I like the different size burners which have different heat levels. The burners also instantly re-ignite if they out, I've tested this by blowing them out, excellent feature. Very easy to clean because it's all one smooth surface, with the down draft area as the only exception. Speaking of the down draft, I was hoping for the blower to be a bit quieter than it is. But it is much quieter than the old one it replaced and even on low there is considerable suction.

Yes, I recommend this product

Would buy again.

Submitted by Thomas C. Hodgson, II - 12/1/2016

Basically, aside from the clean-up problems, my main criticism is that the regulator knobs aren't clearly marked in terms of flame position/intensity and their relation to burner location is not clear at all (the latter being a major problem for people who only occasionally use the stove top). Another problem which probably can't be remedied without taking away some functionality is that the center fan (on any speed, but obviously much more on High) pulls the burner flame to an extent that cooking temperature cannot be maintained except on lower flame settings. In the present design, using the fan is a decision that has to be made by the cook, hoping that a happy medium can be reached.

Yes, I recommend this product

Thrilled with our new Jenn-Air

Submitted by Chris Withrow - 11/11/2016

We purchased this unit to replace the 17 year old Jenn-Air that was original to our house. There was nothing wrong with the old one; however, we had upgraded all of our other appliances to stainless steel and wanted a unified look. This new Jenn-Air has FANTASTIC new features including larger cooking surface, stainless steel knob controls, and is easier to clean. I absolutely love this appliance and highly recommend it!

Yes, I recommend this product

Love our gas cooktop

Submitted by Robin Ferguson - 11/5/2016

Cooking breakfast, pies, sauces, veggies

Yes, I recommend this product

Great cooktop. Works well for us.

Submitted by Poorni Iyer - 10/24/2016

Only downside is that it Needs a marker on the knob to know position (high medium or low). I intend to place a small sticker on the knob at the base of the etched groove, or paint the groove on the stainless steel knob with colored nail polish.

Yes, I recommend this product

Downdraft and gas don't mix

Submitted by Patrick Rockwell - 10/21/2016

This is cooktop is very high quality and I couldn't be happier with its function sans the ventilation, but the downdraft should never be used with gas. I read this in a competitor's review when I was selecting a cooktop so I decided to go with Jenn-Air. I assumed they were doing something different. I was wrong. Using the fan, even on the lowest setting, pulls the heat away from the pan. If you look, you can see the flame sucked to the vent. This creates incredibly reduced heat as well as uneven heating of the pan. I'm going to look into having it replaced, but I doubt they'll let me after a couple months of use. We only use the fan while frying with oil, which is rather infrequent. Again, excellent quality product; it's just a poor mix of technologies.

Yes, I recommend this product

Love my new cooktop

Submitted by Lisa Keys - 10/18/2016

I am a competitive home cook and food blogger. My stove is a dependable work horse as I constantly develop new recipes. The precise flame control has been most impressive and has allowed me improved cook times. My last Jenn-Air cooktop was nearly 30 years old and still working well but I wanted to update the kitchen.

Yes, I recommend this product

I wish I bought this product sooner.

Submitted by John Wakefield - 10/17/2016

We really love the fact the we can finally do a decent stir fry with a wok. Love the simmer burner.

Yes, I recommend this product

My Jenn Air

Submitted by Barbara Fraser - 10/14/2016

Daily cooking

Yes, I recommend this product

So happy with our new cooktop!

Submitted by Annabellswish - 10/10/2016

I just love how this cooktop is so powerful, yet can melt chocolate perfectly! It's the best of both worlds and we couldn't be happier with it. Cleans up in a jiffy and is dishwasher safe. Pure awesomeness! :)

Yes, I recommend this product

Beautiful Product

Submitted by BirdaCook - 9/30/2016

Love gas cooking and the way you can slide pots across the downdraft fan area (across the entire surface). The fan itself has low, med, high controls but there seems no difference between low and high and the fan noise if louder than expected. The flame "bends" towards the downdraft but that is normal (like having a draft in the room) and you can just move your pot to compensate. Have read other reviews about problems with the cooktop but I have not had any yet. Will update later if experience them. Otherwise love the look and the performance of the cooktop.

Yes, I recommend this product

Great Cooktop. Slightly Pricey

Submitted by Dan - 9/24/2016

Use it daily for household cooking. Excellent temp control. One of the best , if not the best cooktop with a downdraft, Wish the knobs had a better handle grip on them, and the simmer burner was in back so that another larger burner could be in front.

Yes, I recommend this product

Best replacement for old gas downdraft cooktop

Submitted by JK - 9/21/2016

Use at least 2 burners everyday. Like the different burner powers. Love the look. (Have the stainless steel 30" gas downdraft.) Rarely use the fan, but please don't advertise as a 3 speed fan. It really isn't.

Yes, I recommend this product

Great quality of workmanship

Submitted by Leisa - 9/20/2016

New gas cooktop is used daily and is great for all our cooking needs from getting water boiling to bacon frying! Clean up is a breeze with the no spill over edging and the whole unit is attractive and adds to the new and fresh look of the kitchen

Yes, I recommend this product

I do not know if I would buy this product again

Submitted by Kathy Burney - 9/19/2016

I love to cook but have not enjoyed this cooktop. It seems slow and the one large burner is always blowing sideways with the fan on I have not used the middle size burners. Also one day I did not see that I had left the small burner on by mistake for over an hour. The disks block view

No, I do not recommend this product

Great gas cooktop!

Submitted by Andy G - 9/16/2016

Got this cooktop to replace an older JennAir cooktop. Love the improvements. Much better variety of temperatures available due to the different BTU burners. Especially love the extra high BTU burner for boiling water super fast!

Yes, I recommend this product

Only Because It's Required

Submitted by Viennaweenie - 9/16/2016

It does the job. Recommendation: put the largest burner on the lower right

Yes, I recommend this product

Thumbs up for the Jenn-Air cooktop!

Submitted by EBB - 9/13/2016

I cook large meals for groups or small amounts for two. Either way I have the power and control I need to Sear and then simmer to perfection.

Yes, I recommend this product

second jenn air downdraft

Submitted by Francesca Gutowski - 9/6/2016

heats quickly even heat. Do not like that there are only two grills. Harder to clean. The fan is excellent.

Yes, I recommend this product

Really nice

Submitted by Matthew - 8/16/2016

Really a step up from the builder-grade cooktop we had in our house. The range is really nice looking and has a lot of great features. Still getting used to the knobs and settings. Might entertain getting another JennAir appliance

Yes, I recommend this product

No expected changes

Submitted by Ric - 7/22/2016

We had this same cooktop prior to this purchase, the downdraft exhaust fan didn't change speeds with the switch and neither does this one. There is no medium nor low setting. It's always on high and on high it pulls the flame towards the downdraft and gives you uneven cooking, we brought the problem to the attention of our contractor, our dealer and the manufacturer's rep. regarding the problem with our first cooktop. All admitted there was a problem, but no one had a fix. We waited 4 years and we expected the new model to be fixed but it isn't. As a result we rarely use the fan. A big disappointment from a reputable manufacturer!

No, I do not recommend this product

Nice product but, cost high, downdraft poor.

Submitted by Jack B. Vaughan - 7/17/2016

Every day meal cooking. We like using gas and the clean-up is now much easier. Downdraft is a liability. Very poor a drawing smells out of the kitchen.

No, I do not recommend this product

30" JX3? Gas Downdraft Cooktop

Submitted by B. McClure - 6/29/2016

Love the cooktop. Wish the simmer burner was in the back and not at the front. Need a good cleaner and polish for the cooktop.

Yes, I recommend this product

There is one issue....

Submitted by Jean - 6/27/2016

When the downdraft is on, even in the low position, the flames are pulled toward the center and therefore it doesn't heat as quickly as it does when it's off.

No, I do not recommend this product

Review of JX3 Gas Downdraft Cooktop

Submitted by Sir Kooks alot - 6/20/2016

This was a wonderful replacement for my almost-40-year-old electric Jenn Air cooktop. Having to install a gas line was expensive, but the cooking experience is more enjoyable. One thing I miss from my old electric cooktop was a red light that came and remained on when one or more burners was in use. The new cooktop has no such feature which would be invaluable to older cooks like myself who can sometimes be forgetful.

Yes, I recommend this product

I would recommend this product to my friends.

Submitted by Elaine Dorbowolski - 6/17/2016

I love to cook on this stove since it is gas. Very easy to clean and looks great in my kitchen. I just wish I had bought a bigger surface.

Yes, I recommend this product

Love this product and would sure buy it again.

Submitted by Cheryl - 6/13/2016

My husband and I switched to gas cook top so when the burner is turned down it goes down much faster then the electric cook top.

Yes, I recommend this product

Perfect replacement for old electric cooktop!

Submitted by LoriColorado - 6/6/2016

This is a beautiful gas cooktop. Very high quality and easy to use and clean. It is installed in the center island where we used to have a glass-top electric cooktop with a downdraft. I looked at all the available 30" gas cooktops on the market (except for ones that cost more than the Jenn-Air) and I'm so glad I found the Jenn-Air. The GE, Kenmore, and other big box store models were poorly designed and cheap looking in comparison. My appliances are black glass, the light fixtures and cabinet hardware are really dark bronze (black). The faucet is polished nickel. The polished nickel base of this cooktop and black iron grates look perfect with both accents. I knew when I bought it, that each burner has a different Btu rating. It's not a big deal, but I don't think four different burners are necessary for an average cook like me. I'd rather see 2 medium- or high-rated burners in the front because that is what I use the most.

Yes, I recommend this product

Costly but the best cooktop on the market

Submitted by Jim D - 5/27/2016

Needed high capacity burner for wok cooking, 17,000 BTU does it. Also need a real simmer burner, other gas cooktop just give you a rapid boil to a moderate boil. My old cooktop was still function, but it was a real pain in the bottom to clean.

Yes, I recommend this product

Burner arrangement is backwards.

Submitted by Denise - 5/11/2016

This is a well-made, attractive cooktop. Its only flaw is the burner arrangement. The largest and smallest burners are in the front row but, when one simmers or cooks with a large pot, these burners are best in the back row. As it is, one must reach over the large pot in the front to use the back row and leave a pot to simmer for hours in the front row which also gets in the way.

Yes, I recommend this product

Great Gas Cooktop

Submitted by Tammi - 4/15/2016

After much research we decided to convert from an electric cooktop to a natural gas cooktop. We shopped many different brands and decided to stay with Jenn-Air. Our electric cooktop lasted for over 20 years. We feel our investment with the Jenn-Air brand is worth the money. We are loving our new gas cooktop! Because the burners are recessed, spills are easy to contain and clean. The only thing I would change is the burner order. I wish the large burner was in the back. I will say I was a little concerned because we have a downdraft vent. I read some reviews that said the downdraft was so strong it interfered with the flame, so far it hasn't been an issue.

Yes, I recommend this product

disappointed

Submitted by Unhappy - 4/8/2016

I bought this one month ago and am unhappy with the fan speed and noise. The fan speed has three speed high higher and highest and I find it very loud. Because of the fan speed the gas flame get drawn to the down draft. Not only is this unsafe but it causes the food to cook unevenly. Jenn-air sent me more mess vents to put into the downdraft but it doesn't change much. Thinking of returning.

No, I do not recommend this product

Horrible Design Flaw

Submitted by Nivdesign - 3/29/2016

I bought this cooktop as a replacement for an older model that didn't have the 17K BTU burner and for the upgraded downdraft ventilation update. The unit is attractive and the high BTU burner works as expected. The other burners have various range of temperatures that work just fine. The issue for me is, in reality a minor one, but seems so simple to have avoided, I cannot understand why it wasn't addressed. There is a decorative ring under the knobs that is held in place by some weak peel-and-stick type adhesive that fails when exposed to heat! Imagine heat on a cooktop! The rings were so easily pushed loose when cleaning I thought surely it was a mistake, maybe they weren't screwed in properly. But they don't screw in or have any other way of being attached other than some sticky stuff on the underside. This was confirmed by the set of replacement rings sent by the technician that was supposed to come and resolve the situation. I was told "that's the way it is, nothing we can do." Isn't that a pleasant thing to hear when you've paid over two-thousand dollars for a cooktop? A simple design change, a divot and a pin to secure the rings, or a threaded attachment is all that is needed. Or for that matter, slightly bigger knobs that extend closer to the top eliminating the need for pointless decorative rings would also work. The dealer has been unhelpful and as far as I can tell Jenn-Air has been completely unresponsive as well. This is an unfortunate experience. For what is to be considered a high-end product I will be reminded every time I use it and the rings move that it's actually a poorly designed ordinary cooktop. Peel-and-stick construction, really Jenn-Air? You guys can't do any better than that for a couple of grand?

No, I do not recommend this product

30"Jennair Cook-top Review - Stay Away

Submitted by Fruitwala - 3/20/2016

I bought this cook-top just over a month ago. It is working ok but there are fundamental design flaws. The flame draws too much to the down draft giving uneven heating to the pots. The motor is very noisy - like running a small plane in the kitchen. The areas around burners are impossible to clean, not the stainless steel tray but the area under the burners (silver part). I would not recommend this this expensive cook-top to anyone. Stay away from Jenn-Air hype.

No, I do not recommend this product

Love it!

Submitted by GG - 3/13/2016

This is my second Jenn-Air downdraft cooktop. I had new granite countertops put in the kitchen and replaced my 28 year old Jenn-Air. The old one still worked fine and I never had any problems with it - but knew it had to be updated.

Yes, I recommend this product

"luxury" cooktop

Submitted by gj goodwin - 3/11/2016

For this level of expense EVERYTHING should be terrific. It's not. The exhaust fan is supposed to have different speeds, but they are all about the same.....so the Jx3 downdraft ventilation system is NOT impressive.

No, I do not recommend this product

4 burner gas downdraft

Submitted by Cleopatra - 3/11/2016

This replaced a Jenn Aire 4 burner unit that allowed changing out with one side of a grill unit. We RARELY used the grill, and the change out side of burners never worked as well. We upgraded to the better, self contained 4 burners. Now we are cooking on all 4 burners!!

Yes, I recommend this product

30" Gas Downdraft Cooktop

Submitted by Dave - 3/5/2016

Works well; cleans-up easily; lowest heat setting is not low enough for simmer

Yes, I recommend this product

A nice upgrade

Submitted by Ming - 12/20/2015

Bought this one to replace my old Jenn-Air cooktop. All burners are very impressive. The downdraft is stronger (and little bit louder too), but pulls less flame over. It's also very easy to clean. So far so good!

Yes, I recommend this product

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