
LG Signature CBGU3039X 30 inch Smart Gas Cooktop with 5 Burners, UltraHeat Dual Burner, LED Backlit Knobs and Cast Iron Grates in Stainless Steel









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LG
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Consumer Reports standouts across laundry and refrigeration that shoppers consistently love.
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Fan-favorite reliability keeps return rates low across LG's broad appliance lineup.
LG Signature CBGU3039X Features
Features:
- UltraHeat™ 24K Dual Burner lets you elevate your cooking
- 5 sealed burners, including 2 in solid brass
- EasyClean® makes it easy to keep your kitchen looking its best
- White LED backlit knobs adds a bit wow with every turn
- Beautiful and durable cast iron grates
Why Buy LG SIGNATURE CBGU3039X 30 Inch UltraHeat™ Gas Cooktop with EasyClean®
- High heat performance: Features a powerful UltraHeat™ 24K dual burner that delivers intense heat for rapid boiling and precise simmering, making it ideal for serious cooking
- Premium burner setup: Includes five sealed burners, with two made of solid brass for enhanced durability and consistent heat control
- Easy maintenance: EasyClean® surface allows quick wipe-downs without harsh chemicals, helping keep the cooktop looking new
- Professional-grade build: Heavy-duty cast iron grates provide stability for cookware and long-term durability
- Modern design details: White LED backlit knobs add a high-end look while improving visibility and control during cooking
- Flexible cooking power: Burner range from low simmer to high BTU output lets you handle everything from delicate sauces to high-heat searing
- Reliable installation fit: Standard 30-inch size with common cutout dimensions makes it easier to integrate into most kitchen layouts
Frequently Asked Questions
Q: What type of appliance is the CBGU3039X?
A: It is a 30-inch built-in gas cooktop from the LG SIGNATURE line.
Q: How many burners does it have?
A: It has 5 sealed gas burners, including high-power and simmer burners.
Q: What is the maximum burner power?
A: The center UltraHeat™ burner delivers up to 24,000 BTU, designed for high-heat cooking.
Q: Does it support Wi-Fi or smart features?
A: Yes, it includes Wi-Fi connectivity via LG ThinQ®, but it does not support voice control or full remote cooking features.
Q: What material are the grates made of?
A: It uses heavy-duty cast iron grates, designed for durability and stability.
Q: Does it have easy-clean features?
A: Yes, it includes EasyClean® surfaces to simplify maintenance and cleanup.
Q: What kind of controls does it use?
A: It uses front-mounted control knobs with LED backlighting.
Q: What are the installation dimensions?
A: It fits a standard 30-inch cutout, with approximate cut-out dimensions of 28½" W × 19⅝" D.
Q: What kind of fuel does it use?
A: It runs on natural gas and can be converted to liquid propane (LP) using a conversion kit.
Pros and Cons of LG SIGNATURE CBGU3039X 30 Inch UltraHeat™ Gas Cooktop with EasyClean®
Pros:
- UltraHeat™ 24K Dual Burner: Delivers powerful high heat for fast boiling and precise simmering, ideal for advanced cooking techniques
- Five Sealed Burners: Offers flexible cooking with multiple heat levels and includes two solid brass burners for enhanced durability and performance
- Premium Build Quality: Heavy-duty cast iron grates provide long-lasting durability and stable cookware support
- EasyClean® Surface: Smooth finish allows quick wipe-downs without harsh chemicals, simplifying maintenance
- Modern Design Details: White LED backlit knobs add visibility and a high-end aesthetic to the kitchen
- Spacious 30-Inch Layout: Standard size with well-spaced burners makes it easier to cook multiple dishes at once
Cons:
- Limited Smart Features: Lacks advanced smart cooking controls or app-based functionality despite Wi-Fi capability
- Premium Price Point: Higher cost compared to many standard 30-inch gas cooktops with similar burner counts
- No Included Accessories: Does not include extras like a griddle or meat probe, requiring separate purchases
- Front Knob Controls Only: No digital display or touch controls, which may feel basic for a premium model
Conclusion:
The LG SIGNATURE CBGU3039X is a premium 30-inch gas cooktop built for performance, durability, and modern design. It stands out with its powerful dual burner, solid brass components, and easy maintenance features, making it ideal for serious home cooks. However, its higher price and limited smart functionality may not appeal to buyers looking for advanced tech or budget-friendly options.
LG Signature CBGU3039X Specifications
| Width | |
| Exterior Width | 30" |
| Width | 30" |
| Cutout Width | 28 1/2" |
| Depth | |
| Depth | 21" |
| Cutout Depth | 19 5/8" |
| Height | |
| Height | 3 3/4" |
| Cutout Height | 3 3/4" |
LG Signature CBGU3039X Overview
Features:
- UltraHeat™ 24K Dual Burner lets you elevate your cooking
- 5 sealed burners, including 2 in solid brass
- EasyClean® makes it easy to keep your kitchen looking its best
- White LED backlit knobs adds a bit wow with every turn
- Beautiful and durable cast iron grates
Why Buy LG SIGNATURE CBGU3039X 30 Inch UltraHeat™ Gas Cooktop with EasyClean®
- High heat performance: Features a powerful UltraHeat™ 24K dual burner that delivers intense heat for rapid boiling and precise simmering, making it ideal for serious cooking
- Premium burner setup: Includes five sealed burners, with two made of solid brass for enhanced durability and consistent heat control
- Easy maintenance: EasyClean® surface allows quick wipe-downs without harsh chemicals, helping keep the cooktop looking new
- Professional-grade build: Heavy-duty cast iron grates provide stability for cookware and long-term durability
- Modern design details: White LED backlit knobs add a high-end look while improving visibility and control during cooking
- Flexible cooking power: Burner range from low simmer to high BTU output lets you handle everything from delicate sauces to high-heat searing
- Reliable installation fit: Standard 30-inch size with common cutout dimensions makes it easier to integrate into most kitchen layouts
Frequently Asked Questions
Q: What type of appliance is the CBGU3039X?
A: It is a 30-inch built-in gas cooktop from the LG SIGNATURE line.
Q: How many burners does it have?
A: It has 5 sealed gas burners, including high-power and simmer burners.
Q: What is the maximum burner power?
A: The center UltraHeat™ burner delivers up to 24,000 BTU, designed for high-heat cooking.
Q: Does it support Wi-Fi or smart features?
A: Yes, it includes Wi-Fi connectivity via LG ThinQ®, but it does not support voice control or full remote cooking features.
Q: What material are the grates made of?
A: It uses heavy-duty cast iron grates, designed for durability and stability.
Q: Does it have easy-clean features?
A: Yes, it includes EasyClean® surfaces to simplify maintenance and cleanup.
Q: What kind of controls does it use?
A: It uses front-mounted control knobs with LED backlighting.
Q: What are the installation dimensions?
A: It fits a standard 30-inch cutout, with approximate cut-out dimensions of 28½" W × 19⅝" D.
Q: What kind of fuel does it use?
A: It runs on natural gas and can be converted to liquid propane (LP) using a conversion kit.
Pros and Cons of LG SIGNATURE CBGU3039X 30 Inch UltraHeat™ Gas Cooktop with EasyClean®
Pros:
- UltraHeat™ 24K Dual Burner: Delivers powerful high heat for fast boiling and precise simmering, ideal for advanced cooking techniques
- Five Sealed Burners: Offers flexible cooking with multiple heat levels and includes two solid brass burners for enhanced durability and performance
- Premium Build Quality: Heavy-duty cast iron grates provide long-lasting durability and stable cookware support
- EasyClean® Surface: Smooth finish allows quick wipe-downs without harsh chemicals, simplifying maintenance
- Modern Design Details: White LED backlit knobs add visibility and a high-end aesthetic to the kitchen
- Spacious 30-Inch Layout: Standard size with well-spaced burners makes it easier to cook multiple dishes at once
Cons:
- Limited Smart Features: Lacks advanced smart cooking controls or app-based functionality despite Wi-Fi capability
- Premium Price Point: Higher cost compared to many standard 30-inch gas cooktops with similar burner counts
- No Included Accessories: Does not include extras like a griddle or meat probe, requiring separate purchases
- Front Knob Controls Only: No digital display or touch controls, which may feel basic for a premium model
Conclusion:
The LG SIGNATURE CBGU3039X is a premium 30-inch gas cooktop built for performance, durability, and modern design. It stands out with its powerful dual burner, solid brass components, and easy maintenance features, making it ideal for serious home cooks. However, its higher price and limited smart functionality may not appeal to buyers looking for advanced tech or budget-friendly options.
LG Signature CBGU3039X Specifications
| Width | |
| Exterior Width | 30" |
| Width | 30" |
| Cutout Width | 28 1/2" |
| Depth | |
| Depth | 21" |
| Cutout Depth | 19 5/8" |
| Height | |
| Height | 3 3/4" |
| Cutout Height | 3 3/4" |
LG Signature CBGU3039X Rebates

LG Signature NECO Buy More Save More - Up to $1000 May 2026
LG Signature NECO Buy More Save More Rebate
Get up to $1000 prepaid MasterCard back
PURCHASE ANY 6 FULL SIZE KITCHEN APPLIANCES FOR A $800 REBATE
PURCHASE ANY 4 FULL SIZE KITCHEN APPLIANCES FOR A $500 REBATE
PURCHASE AN ELIGIBLE LAUNDRY CENTER OR AN ELIGIBLE WASHER AND DRYER PAIR FOR A $200 REBATE (ALL PRODUCTS MUST BE ON ONE INVOICE)
Valid between
May 13, 2026 - June 10, 2026
Claims must be submitted online by
August 10, 2026
.
LG Signature CBGU3039X Warranty & Returns
Warranty Information
2 Year Parts and Labor
Return Policy
Returns accepted within 30 days of delivery. Item must be in original packaging and unused condition.
LG Signature CBGU3039X Why Us
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Split your purchase into easy payments over time—interest-free or with simple interest depending on your plan and eligibility.
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We offer free in-home delivery to most serviceable zip codes for orders over $799.
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Free Standard Installation
Free 1 Year Extended Warranty
Bonus Rewards
3 Level Rebate
Manufacturer rebates, instant savings, and product discounts — all in one place.
Customize your Coverage
Choose a 3- or 5-year protection plan—get 50% back if you don't use it.
Price Match Guarantee
If you find a lower price on an identical item from a local competitor or select online retailers, we will match it.