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Thermador SGSX456CS

45" Gas Cooktop with 6 Star Burners (2 w/ ExtraLow Simmer Settings), 2 x 15,000 BTU Power Burners, Electronic Re-Ignition, Continuous Grates & Ergonomic Control Panel: Stainless Steel


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Extended Warranties

Includes in-home service, parts and labor. See Coverage Details

Extended Warranties

Extended Warranty
Protect Your Investment with an In-Home Protection Plan

Appliance Warranty Plan: This Plan is inclusive of the manufacturer's warranty and may be sold when purchasing qualifying appliances. This Plan provides in-home service. Coverage only applies to Products used non-commercially, unless a Commercial Service Agreement has also been purchased. Accessories and/or add-on options purchased separately and not essential to the basic function of the Product are not eligible for coverage.

Extended Warranty: New Leaf ServicePRO Service Plan provides additional coverage from the end of the manufacturer's warranty. This plan is an economical way to extend the terms of your product's manufacturer's parts and labor warranty. By purchasing a New Leaf ServicePRO Service Plan, you won't have to hassle with unexpected repair bills.

Service is Easy to Obtain: You can contact New Leaf online at or call 1-855-TRY NEW LEAF (1.855.879.639.5323). The call center is open 24 hours a day, 365 days a year. You will be notified of the nearest service center. You will have access to more than 12,000 authorized service centers nationwide.

New Leaf Service Plan Benefits:

  • Fully Insured for Parts and Labor
  • Toll Free Number
  • Pre-screened & Authorized Service Providers
  • In-Home Repair
  • Repair or Replace Promise
  • No Deductibles or Hidden Charges - 100% Coverage of Parts and Labor
  • Plan is Transferable
  • Renewable
  • Multiple Repair Safeguard
  • Food Loss Protection
  • Power Surge Protection
  • Up to $250 Laundry Reimbursement

Exclusions: This Service Contract does not cover: unauthorized repairs or modifications; theft, abuse, misuse, neglect, vandalism, or environmental or weather conditions; any repair covered by a manufacturer's warranty; cosmetic or structural items; component(s) never covered by a manufacturer's warranty; loss of use during the period the product is at a repair facility or otherwise awaiting parts. In addition the plan does not cover damage to a non-operating part, damage to any part that is replaced periodicaly throughout the life cycle of the appliance. For a complete list of exclusions, please review the "Exclusions" section in the complete terms and conditions. This can be found at, view terms and conditions.

Warranty Options
1 Year Extension Warranty for a Single Appliance Under $3,000 remove plan $69.00
3 Year Date Of Delivery Warranty for a Single Appliance Under $3,000 remove plan $129.00
5 Year Date Of Delivery Warranty for a Single Appliance Under $3,000 remove plan $259.00
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A Thermador kitchen is more luxurious, more efficient and more beautiful than any other kitchen. Because for seven decades, Thermador has been at the forefront of fusing the art and science of design and ingenuity. From introducing the first built-in oven almost 50 years ago to revolutionizing gas cooktops with the patented Star Burner; and from designing the first retractable downdraft ventilation system to advancing speed cooking technology; Thermador has helped transform the American kitchen.

You can count on Thermador to be the leader in the field of gas cooktops. Their gas cooktops set the standard by which all others are measured. Thanks to the unparalleled heat distribution of our exclusive Star Burner, ultra-precise flame control and an intelligent buirner layout that maximizes cooking space makes Thermador very unique. Another exclusive is the Ergonomic Control Panel which acts as a heat barrier and keeps heat away from their new metal-plated knobs for greater comfort and safety. Maximize your imagination with these cooktops and bring the power to entertain any culinary inspiration within your grasp.

Most of the SGSX models features ExtraLow burners, one-piece continuous porcelain-coated cast iron grates and low profile metal-plated knobs. All of the models are compatible with Cook 'n' Vent Downdraft Ventilation System.
General Information
Approximate Shipping Weight (LBS.): 58
Technical Information
60 HZ, Single Phase 120 VAC 3 Wire, 15 AMPS: Yes
Front Left Burner - BTU/HR: 200-8000
Front Right Burner - BTU/HR: 1650-12000
Rear Left Burner - BTU/HR: 300-12000
Rear Right Burner - BTU/HR: 950-8000
Center Left Burner - BTU/HR: 2100-15000
Center Right Burner - BTU/HR: 2100-15000
Dimensions (Inches)
Overall Width: 46
Overall Depth: 21 1/2
Overall Height: 4
Cutout Width: 43 15/16- 44 1/2
Cutout Depth: 19 1/8- 19 7/8
Cutout Width (CSV Downdraft): 43 15/16
Cutout Width (UCV Downdraft): 43 3/4
Cutout Depth (CSV Downdraft): 22 1/8
Cutout Depth (UCV Downdraft): 22 1/4
Overall Width (CSV Downdraft): 46
Overall Width (UCV Downdraft): 46
Overall Depth (CVS Downdraft): 23 5/8
Overall Depth (UCV Downdraft): 23 3/4
Set Back Min. (CVS Downdraft): 1 1/2
Set Back Min. (UCV Downdraft): 1 1/2
Back Splash Max. (CVS Downdraft): 1 1/4
Back Splash Max. (UCV Downdraft): 3/4
Notch Depth (CVS Downdraft): 3
Notch Depth (UCV Downdraft): 2 1/4
Stainless Steel: Yes
Porcelain Enamel Grate: Yes
Cast-Iron Continuous: Yes
Two Extralow Burners: Yes
Two Power Burners: Yes
Maximum Number of Gas Sealed Burners: 6
Cookware Can Span 2 Burners: Yes
Ignition: Automatic: Yes
Reignition: Yes
Access. Griddle (SGRIDDLE)*: Yes
Access. Wok Ring (SWOKRING)*: Yes
L.P. Convertible*: Yes (SNLPKIT6)
Easy Cleaning Surface: Yes
General Information
Approximate Shipping Weight (LBS.): 58
SWOKRING: Wok Ring (Wok not included) 3 lbs
SNLPKIT6: L.P. Conversion Kit 1 lbs
SGRIDDLE: Griddle 9 lbs
1: All height, width and depth dimensions are shown in inches.
2: Solid surface countertops require special cutout size.
*: Please refer to installation instructions prior to making cutout. Installation instructions are available at
  • 2 - 15,000 BTU BURNERS
  • A powerful output of 15,000 BTU from our exclusive Star Burner achieves boiling point quickly.
  • The cooking surface accomodates cookware in multiple shapes and sizes simultaneously, while allowing for optimal ease of movement on continuous, cast-iron grates. Provides maximum usable cooking space (a Thermador exclusive.)
  • Our patented ExtraLow Burner gives you the broadest possible range of low temperature settings for maximum control over what you cook. The 200 BTU/hr ExtraLow Flame cycles on and off, based on precise timing.
  • True simmering is achieved by controlling the flame cycle. No more hot spots. No more burning.
  • Star Burner provides unsurpassed flame spread, faster time-to-boil and rapid recovery time.
Info and Guides

Adobe Acrobat FileCare & Use Manual

Adobe Acrobat FileInstallation Instructions

Adobe Acrobat FilePlanning Guide

You will need Adobe Acrobat Reader to view and print pdf files

Adobe Reader
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Quick Specs
Quick Specs


  • Fuel Type : Gas
  • Style : Sealed Burner
  • Cooktop : Cooktop
  • Continuous Grates : Yes
  • Surface Color : Stainless Steel


  • Actual Width : 46"
  • Actual Depth : 21 1/2"
  • Actual Height : 4"
  • Cutout Width : 43 15/16"
  • Cutout Depth : 19 1/8"

Burner Output

  • Set 1 QTY : 2
  • Set 1 Output : 15000/2100
  • Set 2 QTY : 1
  • Set 2 Output : 12000/1350
  • Set 3 QTY : 1
  • Set 3 Output : 12000/300
  • Set 4 QTY : 1
  • Set 4 Output : 8000/900
  • Set 5 QTY : 1
  • Set 5 Output : 8000/200


  • Burners : 6
  • Control Type : Knobs
  • Downdraft Venting : No
  • Hot Surface Indicator Light : No

Technical Details

  • Ignition Type : Electronic
  • Modules Required : No
  • LP Conversion : Yes
  • Amps : 15
  • Voltage : 120 Volts
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