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ID # 3081407Model # 38800001

Weber Genesis SPX-435 Natural Gas Smart Grill w/ Sear Zone & Side Burner - Stainless Steel - 38800001

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Frequently Bought Together

Weber 7758 Premium Grill Cover for Genesis 400 Series Gas Grills
+Weber 6415 Small Aluminum Drip Pans For Spirit, Genesis, Genesis II/LX 200 and 300, & Q Gas Grills - 10 Pack
Total price:
$115.98
 [Out of Stock]$1,849.00

Key Features

Proudly made in the USA with globally sourced parts
  • 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

Weber GENESIS smart gas grills are covered by a limited manufacturer warranty against defects in material & workmanship starting from the original date of purchase. The cookbox and lid assembly are warrantied for twelve (12) years against rust through/burn through (paint is warrantied for two (2) years, excluding fading or discoloration). Stainless steel burner tubes, cooking grates, flavorizer bars, and porcelain-enameled cast iron cooking grates are warrantied for ten (10) years against rust through/burn through. Weber CONNECT components are warrantied for three (3) years. All remaining parts are warrantied for five (5) years. Warranty excludes normal wear and is limited to the original purchaser. Labor is not included.

Refer to manufacturers manual for full warranty details.

Related Departments

Customer Reviews

Bob C1

undisclosed

Oct 19, 2025

the source of this review is from Weber - BV
Great Grill

Great grill good temperature control. Large cooking area.

13 users found this review helpful

Was This Helpful?
JZervo

Port Washington, New York

Oct 14, 2025

the source of this review is from Weber - BV
Not made like they used to!

My family has always purchased & loved Weber grills. They used to last a decade if not more. Unfortunately, like so many other products, the quality has dropped significantly. First, I had to replace the regulator hose that connects to the propane tank bc was not working properly. Then, the door of the chassis came apart (was kept together w/ glue!). Finally, the temperature markings that are labeled next to the dials started coming off. I was told that was cosmetic BUT isnt it important to know what temperature you are setting the knobs to?

Was This Helpful?
jouska

undisclosed

Oct 9, 2025

the source of this review is from Weber - BV
Upgraded to the four burner Weber

Love my new grill. I enjoy grilling and probably use my grill once a week. I previously had a 3 burner Weber, but needed a bit more space for when I entertain. I cooked one of my specialities, beer can chicken, for friends recently and we all agreed it was the best beer can chicken I had made. I think the extra space in the grill and its evenness for indirect cooking made the difference. I never quite got the hang of the sear station on my old grill (10+ years old), but have found this one much easier to use and producing a perfect medium rare steak. Looking forward to trying out the griddle that I bought with it.

2 of 3 found this review helpful

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Ryan Laursen

Seattle

Oct 9, 2025

the source of this review is from Weber - BV
I'm happy with this grill.

When purchasing this grill I was trying to find one that could fit my 19" Wok on the side burner. This grill was the closest I could find. The wok barely fit. This Weber provides a space in the grate for the wok. The flame is more protected and the 3 burners get hotter than the single side burner. I may have to cut a shield to redirect heat from from the front/outside of the wok I also have the pizza stone and searing grate. They all work as intended and store away in the side of the cabinet. While it was more than I wanted to spend, but it works well. I was tempted to buy the version with the heat probes and phone app, but it was not available in the liquid propane model.

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Johnny J

Harvard IL

Oct 7, 2025

the source of this review is from Weber - BV
Another Weber Home Run

Another great product from Weber! I love the new burner's and it also has the Weber crafted grate. I think this is an improvement to my Summit. I use my grills/pellet smoker 3-4 days a week.

7 users found this review helpful

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AlisonC

Marlborough, MA

Oct 4, 2025

the source of this review is from Weber - BV
Yum!

This is a great grill. Good space for lots of burgers and the side burner is great.

8 users found this review helpful

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LILTOM

Texas

Oct 3, 2025

the source of this review is from Weber - BV
Five years later and this grill is still rocking

Five years later and this grill is still rocking like it's brand new. I just did a deep clean and was amazed at how perfect the burners still are—they look and work flawlessly. This is my first natural gas grill after years of using propane, and I love not having to worry about running out. While it's a pricey unit, the warranty and service are top-notch and have made it more than worth the cost. I've had two claims handled quickly and easily. I'll definitely be buying Weber again! BTW, warranty process works much quicker if you registered the unit or if you have your original receipt.

1 user found this review helpful

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Roy P

Bethel Park Pa

Oct 3, 2025

the source of this review is from Weber - BV
Roy E-435 Grill Review

My e-415 Weber grill blew off my deck during a wind storm earlier this year. It was only 7 years old. I loved that grill, especially the 'copper' color. However, this grill has a side burner, closed doors for storage, a separate side storage unit and a large surface. I separately purchased a half griddle, which I really enjoy making breakfast and other foods on the grill. I wish the griddle was about an inch higher on the sides. This would prevent food from falling into the grill...especially when flipping vegetables, but not a big problem. I also would bring back the copper grill as an option...great color!

2 users found this review helpful

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David McLean

McLean, VA

Oct 2, 2025

the source of this review is from Weber - BV
Love my Weber Genesis!

My first Weber Genesis lasted for 15 years, so this was my second purchase. Love everything about it!

Was This Helpful?
MPritchard

Upstate SC

Sep 30, 2025

the source of this review is from Weber - BV
SPX-435

The Grill is great to cook with, App has been a little challenging to connect, Would

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Questions & Answers

*

Question:
I have an outside cooking area, under our portal, and I am looking to replace our current grill. What are the outer dimensions of the Weber New Genesis S-345 NG grill, 38400001?Was This Helpful?
Answers:

Hi Max! This grill is 68.5" wide, 27" deep, and 48.5" tall.

Asked by Max | Answered by Seth, BBQGuys Expert
Question:
The pictures of grill are different is a different model than the one in the video. The one in the video has an electric tempter indicator and the one on the pictures does not. Which one is it? Thanks. GaryWas This Helpful?
Answers:

Hey Gary! The grill you're looking at in the photos is accurate for the Weber S-435. In the video, the model shown is the SPX-435, which has the smart features built in to the grill. The SPX-435 can be found here: https://www.bbqguys.com/weber-grills/genesis-prem-spx-435-ng-ss

Asked by gary | Answered by James
Question:
Does this work with the Weber CRAFTED cooking system?Was This Helpful?
Answers:

Hi Tracy! Yes, all 2022 GENESIS grills are compatible with the WEBER CRAFTED Outdoor Kitchen Collection. This requires a WEBER CRAFTED frame kit, if not already included.

Asked by Tracy | Answered by Aimee
Question:
Is the prep area bigger?Was This Helpful?
Answers:

Hello! The 2022 GENESIS line was designed with a new-and-improved larger side table that offers more room to prep and serve. This size depends on the specific grill.

Asked by bigdaddy73 | Answered by James
Question:
Can you convert the grill from propane to natural gas, or vice versa?Was This Helpful?
Answers:

Hey Delia! For safety reasons, Weber does not authorize gas conversions on their grills. Any such changes could in fact void your warranty.

Asked by Delia | Answered by Kaylin
Question:
Does this work with the Weber CRAFTED cooking system?Was This Helpful?
Answers:

Hi Miguel! Yes, all 2022 GENESIS grills are compatible with the WEBER CRAFTED Outdoor Kitchen Collection. This requires a WEBER CRAFTED frame kit, if not already included.

Asked by Miguel | Answered by Aimee
Question:
Is the prep area bigger?Was This Helpful?
Answers:

Hi Ricky. The 2022 GENESIS line was designed with a new-and-improved larger side table that offers more room to prep and serve. This size depends on the specific grill.

Asked by Ricky | Answered by Ryan
Question:
Can you convert the grill from propane to natural gas, or vice versa?Was This Helpful?
Answers:

Hey Lois! For safety reasons, Weber does not authorize gas conversions on their grills. Any such changes could in fact void your warranty.

Asked by Lois | Answered by Kaylin
Question:
Does this work with the Weber CRAFTED cooking system?Was This Helpful?
Answers:

Hi Estelle! Yes, all 2022 GENESIS grills are compatible with the WEBER CRAFTED Outdoor Kitchen Collection. This requires a WEBER CRAFTED frame kit, if not already included.

Asked by Estelle | Answered by Aimee
Question:
Is the prep area bigger?Was This Helpful?
Answers:

Hi Angel. The 2022 GENESIS line was designed with a new-and-improved larger side table that offers more room to prep and serve. This size depends on the specific grill.

Asked by Angel | Answered by Ryan

Compare Similar Items

 
Current Item

Class

PremiumPracticalPractical--

Fuel Type

Natural GasNatural GasNatural GasNatural Gas

Collection

GenesisGenesisRogue PROGenesis

Configuration

FreestandingFreestandingFreestandingFreestanding

Exterior Material

Stainless SteelStainless SteelStainless SteelPorcelain Coated Steel

Primary Color

Stainless SteelStainless SteelStainless SteelStainless Steel

Number Of Main Burners

4 Burners4 Burners5 Burners4 Burners

Grilling Surface Btus

48000----48000

Infrared Main Burner

Not AvailableNot AvailableNot AvailableNot Available

Main Burner Material

Stainless SteelStainless SteelStainless SteelStainless Steel

Flame Tamer Material

Stainless SteelStainless SteelStainless SteelPorcelain Coated Steel

Cooking Grate Material

Stainless SteelStainless SteelStainless SteelStainless Steel

Rotisserie Backburner

No------

Rotisserie Kit

NoNoAvailableNo

Rotisserie Burner Btus

No Rear BurnerNo Rear BurnerNo Rear BurnerNo Rear Burner

Cooking Grid Dimensions

34 X 19"34 X 19"34 3/4 X 18"--

Heat Zone Separators

NoNoNoNo

Ignition Type

Continuous SparkContinuous SparkFlame ThrowerContinuous Spark

Main Grilling Area

646 Sq. Inches646 Sq. Inches625 Sq. Inches646 Sq. Inches

Flash Tubes

NoNoNoNo

Secondary Grilling Area

348 Sq. Inches348 Sq. Inches355 Sq. Inches--

Total Grilling Area

994 Sq. Inches994 Sq. Inches980 Sq. Inches994 Sq. Inches

Burger Count

282839--

Smoker

NoNoNo--

WiFi/Bluetooth Enabled

WiFi & BluetoothNoneNoneNone

Propane Hose Regulator Included

YesYesYes--

Total Side Burner Btus

120001200014000--

Grill Lights

ExternalNoneExternalExternal

Spring Assisted Hood

NoNoNoYes

Thermometer

SmartPhone AppAnalogAnalogAnalog

Side Shelves

YesYesYesYes

Side Burner

Side BurnerSide BurnerSear StationNone

Made in USA

No------

Cart Assembly

Some Assembly RequiredSome Assembly RequiredSome Assembly RequiredSome Assembly Required

Commercial-Grade Multi-User

NoNoNoNo

Size

Large (34 - 42")Large (34 - 42")Large (34 - 42")Large (34 - 42")

Marine Grade

NoNoNoNo

Width

68.5"68.5"66"64.5"

Height

48.5"48.5"48.5"48.1"

Depth

27"27"25"27"

Weight

220 lbs220 lbs195 lbs175 lbs

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