KitchenAid 30 Downdraft Vent
Description
The KitchenAid KXD4630YSS is a premium 30-inch retractable downdraft ventilation system featuring a powerful 585 CFM motor designed for professional-grade cooking performance. This CNC-ready template provides exact cutout specifications for seamless integration into granite, quartz, marble, and solid surface countertops. When activated, the unit rises 13.5 inches above the counter surface to effectively capture steam and cooking vapors, then retracts flush with the countertop when not in use. The required countertop opening measures 28.5" x 10.5" with 0.25" corner radius for proper fit and operation. Our template is verified against KitchenAid's official specifications and includes all critical dimensions needed for professional fabrication. The reversible motor box design allows flexible installation to accommodate varying cabinet configurations and under-counter constraints.
Dimensions
- Overall Width
- 30"
- Overall Depth
- 12.125"
- Corner Radius
- 0.25"
Specifications
- Manufacturer
- KitchenAid
- Model Number
- KXD4630YSS
- Downloads
- 0
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The KitchenAid KXD4630YSS is a premium 30-inch retractable downdraft ventilation system featuring a powerful 585 CFM motor designed for professional-grade cooking performance. This CNC-ready template provides exact cutout specifications for seamless integration into granite, quartz, marble, and solid surface countertops. When activated, the unit rises 13.5 inches above the counter surface to effectively capture steam and cooking vapors, then retracts flush with the countertop when not in use. The required countertop opening measures 28.5" x 10.5" with 0.25" corner radius for proper fit and operation. Our template is verified against KitchenAid's official specifications and includes all critical dimensions needed for professional fabrication. The reversible motor box design allows flexible installation to accommodate varying cabinet configurations and under-counter constraints.
Installation Overview
Installing the KitchenAid KXD4630YSS requires precise countertop fabrication coordinated with cabinet and ventilation system planning. The primary cutout measures 28.5 inches wide by 10.5 inches deep with 0.25-inch corner radius. The unit's overall dimensions are 30 inches wide by 12.125 inches deep, requiring substantial cabinet space beneath the counter for the motor housing and ductwork connections. The reversible motor box is a key feature, allowing the blower assembly to be positioned on either the left or right side of the downdraft unit to work around plumbing, electrical, or structural constraints below the counter. Countertop material should be at least 1.25 inches thick (standard 3cm stone) to maintain structural integrity around the cutout perimeter. When fully extended, the downdraft rises 13.5 inches above the cooking surface, so verify adequate clearance if installing below overhead cabinets, shelving, or decorative range hoods. Electrical requirements include a dedicated 120-volt, 15-amp circuit routed through the cabinet base. The ventilation system accepts 6-inch round ductwork, which can be routed through the floor (ideal for island installations) or through an exterior wall (for perimeter counter setups). For optimal performance, minimize duct length and the number of elbows in the ventilation run. The 585 CFM motor provides effective venting for most residential cooktops up to 65,000 BTU total output.
CNC Cutting Notes
Programming your CNC machine for the KXD4630YSS cutout requires precision to ensure the unit fits properly and operates smoothly. Begin by importing the DXF template into your CAM software and verifying the 28.5" x 10.5" cutout dimensions against the manufacturer specifications. The 0.25-inch corner radius is critical for proper seating of the unit, so use a matching radius end mill or ball nose bit to cut the corners accurately. For granite and natural stone materials, set cutting speeds between 60-80 inches per minute with adequate water flow to manage heat and prevent edge stress. Quartz and engineered stone can typically handle slightly faster speeds of 80-100 IPM, though dense quartz formulations may require slower speeds to prevent chipping. When cutting the perimeter, use an outside profile strategy to keep the cutout section intact during the cutting process, preventing unexpected movement that could damage edge quality. Pay particular attention to corner execution, as any irregularities or chips in the corner radius can interfere with the downdraft's mounting brackets and sealing gasket. For brittle materials like marble or softer limestone, reduce feed rates by 20-30% and ensure the slab is properly supported underneath, especially in the cutout area, to prevent cracking as the center section is released. After completing the cut, perform a thorough edge inspection with particular focus on the corner radii. Use hand polishing or light sanding to remove any minor imperfections or sharp edges. Before final installation, test-fit the actual downdraft unit to verify proper clearance, corner fit, and alignment with the cabinet structure below. This dry-fit step can prevent costly corrections after the countertop is permanently installed.
Material Compatibility
The KitchenAid KXD4630YSS cutout template is designed for compatibility with all standard countertop materials used in residential and light commercial kitchen applications. Granite and natural stone are excellent choices, offering superior heat resistance and structural stability around the 28.5-inch wide cutout. When working with granite, pay attention to grain direction and natural fissures to avoid creating potential weak points near the cutout perimeter. Quartz and engineered stone materials are highly recommended for downdraft installations due to their consistent strength properties, non-porous surface, and heat resistance typically exceeding 400°F. The uniform composition of quartz eliminates concerns about natural weak points found in some granite slabs. Solid surface materials like Corian can be used for downdraft installations, but verify that your specific product maintains adequate heat resistance (minimum 350°F) and structural integrity under continuous cooking conditions. Some solid surface formulations may require additional support or thicker material around the cutout. Laminate countertops are not recommended for downdraft ventilation installations due to heat sensitivity and insufficient structural strength to support the unit's weight and operating forces. Concrete countertops work well when properly reinforced with steel mesh or fiber reinforcement throughout the slab. Ensure concrete installations are sealed with professional-grade, heat-resistant sealers to prevent moisture infiltration from cooking steam. Stainless steel and metal countertops are fully compatible and frequently used in commercial-grade residential kitchens for their superior heat resistance and cleanability. Avoid wood, butcher block, and bamboo materials in the immediate downdraft area due to heat sensitivity and moisture-related dimensional changes. When planning countertop seams, maintain a minimum of 6 inches clearance from the cutout perimeter to ensure adequate material strength and prevent stress-related failures over time.
Where to Buy
The KitchenAid KXD4630YSS 30-inch retractable downdraft ventilation system is widely available through KitchenAid's authorized dealer network and major appliance retailers. Purchase directly from the official KitchenAid website at kitchenaid.com, which offers the complete product line and a retailer locator tool to find certified dealers and installers in your area. Home Depot carries this model both online and in select stores, offering delivery and professional installation services. Online specialty appliance retailers including AJ Madison, US Appliance, Designer Appliances, and Build.com maintain inventory with competitive pricing and nationwide shipping options. For in-person evaluation, visit authorized KitchenAid showrooms where you can see the retractable mechanism demonstrated and consult with trained appliance specialists about integration with your specific cooktop or range. Regional authorized dealers such as Sorenson's Appliance (Minnesota), Van Vreede's, and Rosner's Appliance provide local inventory, delivery, and professional installation services. These dealers often offer package pricing when purchasing the downdraft alongside compatible KitchenAid cooktops or ranges. For contractor and builder purchases, Ferguson and other professional plumbing/appliance suppliers stock KitchenAid ventilation products and can coordinate bulk orders or project-specific delivery schedules. When comparing prices, request quotes from multiple sources and inquire about seasonal promotions, which typically occur during spring kitchen remodeling season (March-May) and fall holiday sales (September-November). Professional kitchen designers often have access to trade pricing through their dealer relationships. Before purchasing, verify that the package includes all mounting hardware, ductwork transition adapters, user manual, and warranty registration materials. Consider extended warranty coverage for long-term protection of the motor assembly and electronic controls.