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Key Features
- WEBER CONNECT smart technology simplifies cooking with helpful notifications
- Built-in frame kit unlocks limitless versatility with optional WEBER CRAFTED custom cookware
- Searing multiple steaks at once is no problem with the extra-large sear zone
- Built-in LED lighting illuminates the cooking surface for easy grilling at night
Grill Everything to Perfection with WEBER CONNECT Smart Technology
No one likes playing guessing games on the grill, and with the Weber GENESIS SPX-435 natural gas smart grill, you no longer have to! Integrated WEBER CONNECT smart technology provides real-time temperature alerts, reminders, and flip and serve notifications right at the grill or straight to your smartphone, keeping you dialed into your cook from anywhere. The result? Perfectly grilled food and satisfied friends and family every time, with no hassle or uncertainty along the way. In short, WEBER CONNECT is your secret ingredient for the best BBQs on the block, and a big reason why this model stands as one of the biggest grilling innovations in decades.
Integrated Lights, a Side Burner, & 4 High-Performance Main Burners
This top-of-the-line GENESIS grill has all the bells and whistles, or should we say lights and burners. A pair of integrated, motion-sensing LED lights in the lid handle illuminates the entire grill surface and side tables when activated, ensuring nighttime never runs you off the grill; remote control knob lights, meanwhile, enhance visibility in the dark and add a modern aesthetic. As for the burners, the Weber GENESIS SPX-435 smart grill includes a handy side burner for sauteing veggies, boiling sides, or heating up sauces while the main grilling area takes care of the heavy lifting. Those 4 main burners feature a proprietary, ported design to produce the most efficient and even flame for consistently precise heat and reliable ignition.
Upgraded Sear Zone, Prep & Serve Table, & More
Bigger and better in all the right places, the Weber GENESIS SPX-435 natural gas grill provides more usable space than ever. Your eye will likely be drawn to the extra-large sear zone, which also received an increase in BTUs to reach the next level of delicious caramelization for the whole party. The right-hand side table is similarly sized up, with enough space for multiple cutting boards or serving trays; this extra-large prep & serve table makes it easier than ever to create entire meals without having to leave the backyard. To help you accomplish that with even greater ease, the Weber GENESIS SPX-435 natural gas smart grill trades the usual warming rack for an expandable top cooking grate that functions as a secondary grilling surface when fully folded out. Oh, and the grease management system got a facelift as well: the removable drip pan is now attached to the grease tray for seamless cleanup, with an included scraper just for good measure.
The Ultimate Versatility of WEBER CRAFTED Grillware
At this point, it would be fair to wonder if there was anything the Weber GENESIS SPX-435 smart natural gas grill is incapable of doing. Well, we have some big news on that front: compatibility with WEBER CRAFTED Outdoor Kitchen Collection grillware allows you to cook food never thought possible on a gas grill. Roast, bake, sear, steam, and even stir-fry by simply replacing the standard grate with any of the custom-fit grillware! And with the Weber GENESIS SPX-435 natural gas smart grill, you are already one step closer to the full backyard culinary experience thanks to the frame kit being built in (though the grillware itself is sold separately). This grill also includes a storage locker to keep your WEBER CRAFTED accessories, as well as certain large grilling tools, safe from the elements and close at hand.
Weber Genesis SPX-435 Natural Gas Smart Grill FAQ
How big is the Genesis SPX-435?
The Weber SPX-435 is 68.5-in wide, 27-in deep, 48.5-in high, and it weighs 220 lbs. The main cooking grate measures 34 x 19 inches, for 646 square inches. The secondary grilling area adds 348 square inches.
When did the SPX-435 come out?
The latest line of GENESIS grills was released early in 2022.
Can you convert the SPX-435 from natural gas to propane?
No, but fortunately Weber offers a version of the SPX-435 in propane.
Does the GENESIS line replace the old Genesis II grills?
It does! The Genesis II grills have all been discontinued, and have been replaced by the current line of GENESIS grills.
Legal disclaimers and warnings
Product packaging, owners’ manuals, installation instructions, and/or operating instructions may include more information than what is shown on our website. The content on our site is intended to be used for reference purposes only. Please fully read all included manuals and documentation before installing or using this product. WARNING for California residents: this product may contain chemical(s) known to the state of California to cause birth defects, cancer, or other reproductive harm.
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Warranty
Refer to manufacturers manual for full warranty details.
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Customer Reviews
Westchester county NY
Jun 16, 2025
This grill has a large cook too for all my grilling needs. Its perfect for my family barbeques
Delaware
Jun 16, 2025
I was tired of buying a new grill every few years. No matter what lengths I went to to preserve them it didn't matter. This thing is a beast. The burners are way better than other grills I've had. The flames are blue and even. All the angles are steep which directs grease right to the drip pan. There is no place for accumulation. The pan fills within a few uses. On others it took a summer season to fill. I walked past another well known brand yesterday in a store. I grabbed it and moved it around. It felt flimsy compared to this Weber and my lid probably weighed more than this entire grill. I only gave 4 stars only because Weber doesn't sell a smaller griddle for it. Like half a griddle. Not because of the grill itself.
New Hampshire
Jun 15, 2025
Amazing grill. Very easy to build and use. Bought it as a gift and my husband absolutely loves it
Kentwood Michigan
Jun 13, 2025
I had to replace my summit grill with a new one. I choose the Genesis S-435. One of the best decisions I have ever made. It was better than the summit with a number of improvements too numerous to list. Every day I use this grill it surprises me with a new innovation or improvement. I have been using the new grill for about a month and could not be more delighted.
2 users found this review helpful
Middletown New Jersey
Jun 13, 2025
Weber may be seen as a very expensive option when it comes to grills but as the sayings go, you get what you pay for and you either buy nice or you buy twice. Especially when you have something exposed to the elements daily. I've had numerous Webers because as my needs grew, so did the size of my grill. The best part is that Weber stands by their product with their amazing warranty. The few times over 15+ years of owning Weber products I've had an issue, Weber always assisted without charge. Their customer service is top notch. The quality of their grills compare to none. I work in a big box home improvement store and can basically get any grill at a reduced cost but none compare to the quality of Weber grills. From the build specs to the technology to the finishes, Weber is tops.
Toronto, ON
Jun 12, 2025
Weber lives up to it's reputation and worth the $$
1 user found this review helpful
NC
Jun 11, 2025
The grill is great. There is a design flaw though as it has a very flat top which collects water during a rain storm. I keep the cover on it so it's no hurting my unit but one would think that a good design team would pick up on this very quickly and change it before they produced the grill.
1 user found this review helpful
Baltimore, MD
Jun 11, 2025
To be expected perhaps, but this grill performs like a Weber: reliably and excellently. I use it to cook using indirect heat to lessen the chance of flare ups, and it has so far performed flawlessly. There's so much space on the grill that I can turn off the middle two burners leaving the outer two on and maintain around 380 degree F cooking temps, which is perfect for most of my cooks. Instructions to assemble were 100% accurate. It took me alone around 4 hours to assemble, but I may be slower than most people since I hate making mistakes in assembling things like this and will re-read instructions frequently and proceed slowly in assembling. I also used the "BILT" app and it provided additional context via its diagrams that were very helpful. The fully assembled grill is rock solid, which is what I'd expect from a Weber.
Mt. Olive, NJ
Jun 11, 2025
Absolutely loving our new Weber Genesis E-435 thus far. So far the only issue I'm having is that the side table scratch easily so putting something on them while cooking is a must. Other than that... love it thus far.
Toronto
Jun 11, 2025
This is my third Weber BBQ and the best one yet. It's a great design and I love size of this one.
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Compare Similar Items
Current Item | ||||
Class | Premium | Practical | Practical | -- |
|---|---|---|---|---|
Fuel Type | Natural Gas | Natural Gas | Natural Gas | Natural Gas |
Collection | Genesis | Genesis | Rogue PRO | Genesis |
Configuration | Freestanding | Freestanding | Freestanding | Freestanding |
Exterior Material | Stainless Steel | Stainless Steel | Stainless Steel | Porcelain Coated Steel |
Primary Color | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
Number Of Main Burners | 4 Burners | 4 Burners | 5 Burners | 4 Burners |
Grilling Surface Btus | 48000 | -- | -- | 48000 |
Infrared Main Burner | Not Available | Not Available | Not Available | Not Available |
Main Burner Material | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
Flame Tamer Material | Stainless Steel | Stainless Steel | Stainless Steel | Porcelain Coated Steel |
Cooking Grate Material | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
Rotisserie Backburner | No | -- | -- | -- |
Rotisserie Kit | No | No | Available | No |
Rotisserie Burner Btus | No Rear Burner | No Rear Burner | No Rear Burner | No Rear Burner |
Cooking Grid Dimensions | 34 X 19" | 34 X 19" | 34 3/4 X 18" | -- |
Heat Zone Separators | No | No | No | No |
Ignition Type | Continuous Spark | Continuous Spark | Flame Thrower | Continuous Spark |
Main Grilling Area | 646 Sq. Inches | 646 Sq. Inches | 625 Sq. Inches | 646 Sq. Inches |
Flash Tubes | No | No | No | No |
Secondary Grilling Area | 348 Sq. Inches | 348 Sq. Inches | 355 Sq. Inches | -- |
Total Grilling Area | 994 Sq. Inches | 994 Sq. Inches | 980 Sq. Inches | 994 Sq. Inches |
Burger Count | 28 | 28 | 39 | -- |
Smoker | No | No | No | -- |
WiFi/Bluetooth Enabled | WiFi & Bluetooth | None | None | None |
Propane Hose Regulator Included | Yes | Yes | Yes | -- |
Total Side Burner Btus | 12000 | 12000 | 14000 | -- |
Grill Lights | External | None | External | External |
Spring Assisted Hood | No | No | No | Yes |
Thermometer | SmartPhone App | Analog | Analog | Analog |
Side Shelves | Yes | Yes | Yes | Yes |
Side Burner | Side Burner | Side Burner | Sear Station | None |
Made in USA | No | -- | -- | -- |
Cart Assembly | Some Assembly Required | Some Assembly Required | Some Assembly Required | Some Assembly Required |
Commercial-Grade Multi-User | No | No | No | No |
Size | Large (34 - 42") | Large (34 - 42") | Large (34 - 42") | Large (34 - 42") |
Marine Grade | No | No | No | No |
Width | 68.5" | 68.5" | 66" | 64.5" |
Height | 48.5" | 48.5" | 48.5" | 48.1" |
Depth | 27" | 27" | 25" | 27" |
Weight | 220 lbs | 220 lbs | 195 lbs | 175 lbs |
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Once shipped, items usually arrive within 3-5 business days. While UPS and FedEx are our carriers for smaller items, be aware that larger items and orders are shipped via freight. The freight process is a bit more complicated than what we've all come to expect for small parcels, so it's important that you're prepared and understand what's required of you well before delivery day.
- Most freight products ship on a pallet
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Carriers that schedule delivery appointments require you to be home for delivery and provide your signature. The delivery is made with a semi-truck with lift gate services, and the shipment is dropped off at the curb. If you authorize the shipping company to leave the delivery without a signature, BBQGuys can't be held responsible for damages that occur during delivery. As complicated as this process may seem, we've only scratched the surface here — please review our detailed guide to freight delivery so there are no surprises when a freight shipment heads your way.
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Carriers that deliver without an appointment don't require you to be home or set up a delivery window, and you aren't required to sign for the pallet(s). Instead of scheduling an appointment, arranging your schedule to be home for the delivery, and signing to confirm receipt, you can sit back and let your items come to you. If you're home at the time of the drop-off, you can request the driver place your delivery in the garage; if you're out of the house, the driver will leave it near the garage or doorstep.
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