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Frequently Bought Together
Key Features
- Flip and serve right on cue with WEBER CONNECT smart technology
- Built-in frame kit unlocks limitless versatility with optional WEBER CRAFTED custom cookware
- Sear multiple steaks at once on the extra-large sear zone
- Nighttime lighting in the lid handle illuminates the entire grill surface
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 propane 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 propane 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 propane 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 propane 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 propane 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 Propane 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 propane to natural gas?
No, but fortunately Weber offers a version of the SPX-435 in natural gas.
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
Moorestown NJ
Jul 7, 2026
Cooking made easy in minutes. No more 20 minutes waiting fir the oven.
Chicago illinois
Jul 5, 2026
Great grill for beginner once it is set up and tank is installed
Oregon
Jul 5, 2026
Excellent product, excellent service. I'll never own anything other than a Weber!
Southwest PA
Jul 5, 2026
Very well built grill, good design features include the gas burners which burn very clean and the hood thermometer which is very beefy and accurate. The large side trays are very helpful. The stainless steel finish is very nice and the griddles are heavy duty and well made. I bought the griddle insert for this unit. It is an excellent add on for the weekend get togethers when you need fast cooking and maximum cooking surface. Overall it is almost as good as my Kalamazoo HB 750, which costs 10X as much. An excellent grill for the money and the Weber warranty makes the investment very worthwhile.
undisclosed
Jul 4, 2026
Good grill but the propane line failed within 10 months
undisclosed
Jul 2, 2026
I had a 17 year old similar Weber grill and loved it. New deck - New grill. I cook outside several times a week, weather permitting. And this new replacement grill is even better! It handles all my outdoor cooking needs perfectly - veggies to bacon, hotdogs to steaks, etc. I really like the expandable upper shelf. The side burner is more convenient on the left side and the larger side shelf on the right side is much more usable in this extended size. The grill temperature control is terrific - very controllable from low up to 700 degrees. And the grill grates are more flexible than ever. I haven't yet used the round wok grate but expect to soon. Flexibility is a good thing to have.
Valencia, CA
Jul 1, 2026
I really like the S-435 grill. I initially had a problem because the igniter wouldn't work. I contacted Weber customer support. They went through all possible issues and determined that the problem was a faulty igniter. They sent a replacement part and my grill worked perfectly. Thank you for helping me with this issue.
Florida
Jun 30, 2026
The customer service is amazing. They are fast with a response and they make sure you get everything you need
undisclosed
Jun 27, 2026
They promised me a new lid and never sent it No further communication
NorCal
Jun 22, 2026
Love this grill - actually looks like a piece of art in my back yard
Questions & Answers
Hi Wayne. Yes, it will require a 120 volt circuit to power the lighting. The included cord is approximately 5 feet in length.
Asked by Wayne | Answered by WesleyCompare Similar Items
Current Item | ||||
Class | Premium | Practical | Practical | Premium |
|---|---|---|---|---|
Fuel Type | Propane | Propane | Propane | Propane |
Collection | Genesis | Genesis | Rogue PRO | Prestige PRO |
Configuration | Freestanding | Freestanding | Freestanding | Freestanding |
Exterior Material | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
Primary Color | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
Number Of Main Burners | 4 Burners | 4 Burners | 5 Burners | 5 Burners |
Grilling Surface Btus | 48000 | -- | -- | 60000 |
Infrared Main Burner | Not Available | Not Available | Not Available | Not Available |
Main Burner Material | Stainless Steel | Stainless Steel | Stainless Steel | 304 Stainless Steel |
Flame Tamer Material | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
Cooking Grate Material | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
Rotisserie Backburner | No | -- | -- | -- |
Rotisserie Kit | No | No | Available | Yes |
Rotisserie Burner Btus | No Rear Burner | No Rear Burner | No Rear Burner | 18000 |
Cooking Grid Dimensions | 34 X 19" | 34 X 19" | 34 3/4 X 18" | 37 X 18" |
Heat Zone Separators | No | No | No | No |
Ignition Type | Continuous Spark | Continuous Spark | Flame Thrower | Single Spark |
Main Grilling Area | 646 Sq. Inches | 646 Sq. Inches | 625 Sq. Inches | 666 Sq. Inches |
Flash Tubes | No | No | No | No |
Secondary Grilling Area | 348 Sq. Inches | 348 Sq. Inches | 355 Sq. Inches | 334 Sq. Inches |
Total Grilling Area | 994 Sq. Inches | 994 Sq. Inches | 980 Sq. Inches | -- |
Burger Count | 28 | -- | -- | -- |
Smoker | No | No | No | Yes |
WiFi/Bluetooth Enabled | WiFi & Bluetooth | None | -- | -- |
Propane Hose Regulator Included | Yes | Yes | Yes | -- |
Total Side Burner Btus | 12000 | 12000 | 14000 | 16000 |
Grill Lights | External | None | External | Internal / External |
Spring Assisted Hood | No | No | No | No |
Thermometer | SmartPhone App | Analog | Analog | SmartPhone App |
Side Shelves | Yes | Yes | Yes | Yes |
Side Burner | Side Burner | Side Burner | Sear Station | Sear Station |
Made in USA | No | -- | -- | -- |
Cart Assembly | Some Assembly Required | Some Assembly Required | Some Assembly Required | Some Assembly Required |
Commercial-Grade Multi-User | No | -- | -- | -- |
Size | Large (34 - 42") | Large (34 - 42") | Large (34 - 42") | Large (34 - 42") |
Marine Grade | No | -- | -- | No |
Width | 68.5" | 68.5" | 66" | 76.5" |
Height | 48.5" | 48.5" | 48.5" | 52.75" |
Depth | 27" | 27" | 25" | 26.5" |
Weight | 220 lbs | 220 lbs | 195 lbs | 410 lbs |
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When will my item arrive?
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
- Some carriers will call to schedule a delivery window, while others will deliver the shipment to a reasonably accessible location closest to your residence (their goal is to deliver as near a garage door as they can).
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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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