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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
Henderson,nevada
Jun 29, 2025
with the natural gas grill there is a lot of room for a shelf inside the lower cabinet. would be a great help for the handycap people.
1 user found this review helpful
Melbourne Florida
Jun 29, 2025
I have used Weber grills for over 30 year. In my opinion they are the best consumer grade grill for backyard cooks. I purchase this grill to replace my old (17 yrs) Weber Genesis grill which I rebuilt 3x with Weber parts. This new grill is fantastic, especially cooking with the rotisserie. The smart function works great with the meat prob and the searing is awesome. My only complaint functionally is the the ignitor for the side burner does not work and after tracing the wiring and reseating the connector I have not figured out why. That being said there are a lot of accessories you can add to this grill which really expands the utility of the unit. I recommend it highly.
St Pete Florida
Jun 29, 2025
This thing is awesome. My last Genesis was 10 years old. Still worked but it was time for an upgrade. After ALOT of research I chose this. It is a lot larger than my other genesis. I love the digital panel and options. It's just a very good grill.
Olympia WA
Jun 27, 2025
Have only used this grill half-dozen times, but I'm very impressed. It feels smooth and solid. Everything works as intended. It gets HOT in a hurry and maintains the heat very well. Compared to the Weber Summit propane grill that I had for over (15) years, this works much better. And the Summit was GREAT! The convenience of natural gas vs. propane is huge. Assembly wasn't too bad, considering that I had to do it by myself. Used the BILT app that was recommended and it was very helpful in that it gave a different perspective of how things go together. Looking forward to many years of trouble-free use.
Austin, Texas
Jun 27, 2025
Having fun with my new Weber grill - cooked steaks, chicken breasts, veggies, etc. - works like a charm. Assembled myself - pretty easy. Seasoned the whole grill with Avacado Oil after cleaning all parts with soap and water. First cook was a ribeye and a filet mignon. My daughter told me it was the best steak she ever had - including high priced restaurant steaks (This made me feel like I accomplished some kind of milestone). Put the old weber gas grill (16+ years old - still working) out on the curb and had a sign (still working - please give me a new home). It was gone in less than an hour.
Ohio
Jun 26, 2025
I have been a Weber Grill fans for a few decades. After retiring I decided to upgrade to the 4 burner (with sear plate) and the full sized griddle. I am extremely pleased with my purchase. When entertaining the grill has become a magnet for our guests. It's is beautifully designed and everyone wants to watch especially when I use the full size griddle. I tried smash burgers the other night and everyone came back for seconds. I was a little intimidated by the sear zone but I watched a couple of You Tube videos to get some suggestions. I had purchased several very expensive cuts of rib eyes and I wanted to ensure the meat was cooked properly. All the steaks came out with those perfect sear marks and they were delicious. My son who is a fan of high end steak house loudly announced it was the best steak he ever had. No leftovers!!!!
New Jersey
Jun 26, 2025
The amount of effort I had to use to get the plastic off of the lid and the door handles is completely UNACCEPTABLE. Shame on you Weber! I had to removed the lid and repeatedly wipe the lid and doors with soapy warm water (as suggested by Weber support) and slowly and meticulously remove the plastic one small piece at a time for 20 minutes. The next morning there was still glue residue all over the lid and the doors. I ended up using isopropyl alcohol on paper towels for another 10 minutes or so get get the glue off. UNACCEPTABLE! I will post this in all of my online reviews. So frustrating!
1 user found this review helpful
Rhode Island
Jun 26, 2025
The tempeture module and web connect and lights its 1 system 3 modules were broken. It took 25 days to fix. That was day 1with continuous calling .
Wisconsin
Jun 25, 2025
This is an outstanding grill and with options so much more, I.e. griddle, wok. Wow! We love the app integration with the grill. And the quality finish is excellent.
Texas
Jun 24, 2025
Great grill. Easy to use. Easy to clean. Great range of heat.
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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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For carriers that schedule delivery appointments:
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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