The JennAirJGD3430GB 30-inch gas downdraft cooktop brings powerful performance and a sleek, built-in look to any modern kitchen, combining high-output burners with integrated ventilation so you can cook boldly without a bulky overhead hood. Its 30-inch width makes it an ideal choice for standard cutouts while still offering four sealed burners and continuous cast-iron grates that create a generous, uninterrupted cooking surface for moving pots and pans with ease. At the heart of this cooktop is a commanding 17,000 BTU ultra-high output burner designed for serious searing, rapid boiling, and high-heat techniques that many standard cooktops struggle to match, giving you restaurant-style power right at home. Balancing that intensity, a 5,000 BTU ultra-low output burner with a dedicated melt cap delivers gentle, precise heat that’s perfect for simmering delicate sauces, melting chocolate, or holding foods warm without scorching, offering a level of control that stands out in its class.
What truly sets the JGD3430GB apart is the integrated JX3™ downdraft ventilation system with three speeds, engineered to capture smoke, steam, and odors directly at the cooking surface and pull them down and out of the kitchen, eliminating the need for an overhead hood and preserving open sightlines in island or peninsula installations. This proximity ventilation approach is especially valuable in open-concept spaces, helping maintain clear air and a clean aesthetic while you cook. The cooktop surface is protected by DuraFinish® Protection, a specialized finish designed to resist yellowing, staining, and scratching so the rich black surface maintains its refined appearance through everyday use and frequent cleaning. Premium brass burners with removable bases not only enhance heat distribution and responsiveness but also simplify maintenance, allowing easier access for thorough cleaning compared to many conventional burner designs. With its combination of powerful high-heat performance, ultra-gentle simmering capability, integrated downdraft ventilation, and durable, easy-care surface, the JennAirJGD3430GB offers a distinctive solution for homeowners who want luxury gas cooking and effective ventilation in a single, space-saving 30-inch platform.
• JX3™ Downdraft Ventilation System with 3 Speeds – integrated downdraft pulls smoke, steam and odors down at the cooking surface, helping keep kitchen air clear without a separate overhead hood.
• DuraFinish® Protection – specialized surface finish resists yellowing, staining and scratching to help the cooktop maintain a like‑new appearance over time.
• JennAir® luxury gas downdraft design – premium gas cooktop with built‑in downdraft ventilation for an open, hood‑free kitchen aesthetic.
• 17,000 BTU Ultra‑High Output Burner – delivers intense heat for searing, stir‑frying and rapid boiling on the left‑front burner.
• 5,000 BTU Ultra‑Low Output Burner with Melt Cap – provides gentle, low heat ideal for simmering delicate sauces or slowly melting chocolate and butter.
• Brass Burners with Removable Base – durable brass construction focuses flame for precise heating and the removable base simplifies deep cleaning.
• Convertible to Duct‑Free Ventilation – optional kit allows installation without exterior ducting, preserving views and design flexibility in challenging layouts.
• 30" built‑in gas cooktop size – standard 30‑inch width fits many existing cutouts and common kitchen cabinet configurations.
• Four sealed gas burners – sealed burner design helps contain spills on the cooktop surface for easier cleanup.
• Left‑rear 5,000 BTU simmer burner – low‑output burner positioned at the back for gentle, unattended simmering.
• Flame‑Sensing™ re‑ignition – automatically attempts to re‑ignite the burner flame if it goes out, enhancing safety and cooking continuity.
• Power‑outage compatible ignition – can be lit with a match during a power outage so you can continue cooking without electricity.
• LP convertible with included kit – ships ready for natural gas and includes conversion components for use with liquid propane.
• Porcelain‑coated steel surface – durable black surface resists wear and is easier to wipe clean after spills.
• Right‑side knob controls – clustered control layout keeps burner adjustments within easy reach while maximizing usable cooking space.
• Metal control knobs – sturdy, premium‑feeling knobs provide precise flame adjustment and complement the high‑end look.
• Infinite heat control – allows fine‑tuned flame settings between low and high for better temperature control.
• Downdraft cooktop type – eliminates the need for a separate range hood, ideal for islands, peninsulas or under low ceilings.
• Black glass / black surface appearance – sleek, modern look that coordinates with contemporary kitchen designs.
• ADA compliant design – meets applicable accessibility guidelines for reach and operability when properly installed.
• UL listed – tested and certified to meet recognized safety standards.
• Prop 65 standard compliance – conforms to California Proposition 65 disclosure requirements.
• 120V, 15‑amp electrical connection – standard household power requirement simplifies installation.
• Includes power cord – comes with the required cord for electrical hookup, reducing extra purchase needs.
• Does not require overhead hood – integrated downdraft system allows more cabinet or open space above the cooktop.
• Three individual grates – segmented grate design makes each section lighter and easier to lift for cleaning.
• 21 1/2" depth and 4" height – low‑profile design integrates cleanly into countertops while leaving space below for cabinetry.
• Cutout width about 28 5/8" – designed to fit many standard 30‑inch cooktop cutouts with minimal modification.
• Gas fuel type – provides instant heat response and visible flame preferred by many home cooks.
• Built‑in installation style – sits flush in the countertop for a custom, integrated appearance.
• No hot‑surface indicator lights – clean, minimal control layout without additional indicator lenses on the surface.
• No digital display – straightforward analog knob controls for simple, reliable operation.
Manufacturer's Warranty: 2 years
Canadian model: JGD3430GB
Similar to USA model: JGD3430GB
Canadian UPC: 883049414454
Similar to USA UPC: 883049414454
EAN: 0883049414454
17,000 BTU Ultra-High Output Burner
JGD3430GB - 17,000 BTU Ultra-High Output Burner
Enjoy the robust heat necessary for high-powered cooking techniques, whether searing a steak, stir-frying vegetables or rapidly boiling water.
5,000 BTU Ultra-Low Output Burner with Melt Cap
JGD3430GB - 5,000 BTU Ultra-Low Output Burner with Melt Cap
Provides the optimal temperature for gently cooking delicate sauces and foods.
Brass Burners with Removable Base
JGD3430GB - Brass Burners with Removable Base
Elegant brass burners effectively direct heat for desired cooking results and can be removed for easy cleaning.
DuraFinish® Protection
JGD3430GB - DuraFinish® Protection
With excellence in every detail, DuraFinish® Protection helps keep your cooktop s surface looking like new, resisting yellowing, staining and scratching.
JX3™ Downdraft Ventilation System with 3 Speeds
JGD3430GB - JX3™ Downdraft Ventilation System with 3 Speeds
Developed and refined by JennAir®, this downdraft ventilation system uses proximity ventilation that helps capture smoke, steam and odors at the cooking surface, whisking them down and out for a fresh, clean kitchen. It has been designed to provide optimal cooking performance, relying on a vertically mounted, 297 CFM Motor Class blower system.
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2 years manufacturer warranty included
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Flexiti Financing as low as $174.95 for 18 months
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Dimension Guide (JGD3430GB-dimension-guide-canada.pdf)