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JennAir® 30" Gas Downdraft Cooktop-Black-JGD3430BB

Model #: JGD3430BB
At a Glance

JennAir® 30" Gas Downdraft Cooktop-Black with JX3 downdraft ventilation system and 3-speed fan

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Get to know this product.

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.

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

  • This luxury gas downdraft cooktop is convertible to duct-free ventilation, allowing it to be placed nearly anywhere in the kitchen. With our duct-free conversion kit (not included), it creates a ventilation system that doesn’t require running ductwork, ideal for kitchens with installation restrictions or ducting limitations.

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

  • Cooking surface controls allow the selection of heat outputs ranging from low to high with infinite intermediate settings.

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.


Grate Material:Porcelain On Cast Iron
Grate Styling:Continuous Grates


Min to Front Edge of Counter:2.5


Ignition:Electronic Reignition System
Safety Features:Indicator Light


Cooktop Surface:Stainless Steel

Misc. Specs

Fuel TypeNatural Gas
Appliance ColorBlack
Type BurnerSealed
Depth (in.)21.5
Height (in.)18.44
Width (in.)30
Appliance Fit Width (in.)30
Color Finish NameBlack
ADA CompliantNo
Burner TypeSealed
WarningProposition 65 Warning for California Residents