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Thermador Masterpiece Series CEM304FS

30" Smoothtop Electric Cooktop with 4 Radiant Elements, 2-Level Digital Control Panel, Dual Elements and Stainless Steel Frame


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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.

The Masterpiece Series
It's a collection of kitchen appliances like no other: a modern interpretation of classic American style combined with the legendary performance you expect from the Thermador brand. Designed with chiseled, angular surfaces to create bold and distinctive profiles, each appliance in the collection beautifully reflects the wealth of sophistication within. A Masterpiece kitchen allows you to effortlessly conquer any culinary task with unrivaled performance and style.

Manual Controls / Stainless Steel Knobs
The newly designed control panel coordinates with all Thermador Masterpiece Series appliances. Some of the features include high quality, robust metal knobs, a maximum wattage of 2,500 Watts and 6 cooking zones.
Dimensions and Weights
Product Width: 31"
Product Depth: 21 1/4"
Cutout Width: 28 3/4" - 28 7/8"
Cutout Depth: 19 7/8" - 20"
Cutout Height: 3 15/16"
Minimum Air Clearance: 1/4"
Minimum Distance from Counter Front: 2 1/4"
Minimum Distance from Rear Wall: 2 3/4"
Approximate Shipping Weight: 34 lbs.
Cooktop Specifications
Total Number of Cooktop Elements: 4
Left Front Element: 6" @ 1,200W
Right Front Element: 7" @ 1,800W
Left Rear Element: 6"/9" @ 1,100/2,500W
Right Rear Element: 5"/8" @ 750/2,200W
Center Element: N/A
Technical Information
Electrical Supply: 240/208V AC, 60 Hz
Required Circuit Breaker: 40 Amp/30 Amp
Conduit: 38" Flexible 3-Wire
  • Performance
  • Dual Element offers the capability to use multiple pan sizes
  • Design
  • Heavy-duty, high quality metal knobs
  • Full stainless steel frame
  • Trapezoid design control panel
  • Safety
  • 2-level digital control panel indicates when elements are still hot
  • Installation Above a Wall Oven or Warming Drawer
  • Thermador Masterpiece Electric Cooktops may be installed above a Thermador Single Built-in Oven as long as there is no contact between the bottom of the cooktop and the top of the oven.
  • Thermador Masterpiece Electric Cooktops may also be installed above a Thermador Warming Drawer to create a convenient cooking center.
  • Important
  • We strongly recommend the installation of a Thermador Ventilation System with all Masterpiece Electric Cooktops.
  • Seal the surfaces of the cutout to make them heat resistant.
  • This prevents the surfaces from expanding as a result of humidity.
  • Solid surface countertops require a special cutout and installation.
  • For example, heat reflective tape or rounded corners may be necessary.
  • Warning
  • To reduce the risk of ignition of nearby combustible materials, install the countertop with a minimum distance of 2" from both side walls and the back wall.
Info and Guides

Adobe Acrobat FileUse and Care Manual

Adobe Acrobat FileInstallation Instructions

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

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Current Rebates
Thermador Save with One-Two-Free - Up To $6,097 Instant Rebate

Save Up To $6,097 Instantly

How To Save:

Option One: Professional or Masterpiece Suite
Buy a 30", 36" or 48" Range -OR- any Cooktop / Rangetop and any Wall Oven - Get a FREE Emerald Dishwasher

Option 2 – Power Up with Steam

Buy a 48" Pro Grand Steam Range and get a FREE Sapphire Dishwasher

Bonus Savings
Add any 30" or 36" Bottom Freezer Refrigerator -OR- any 42" or 48" Side by Side refrigerator -OR- any two Freedom Refrigerator Columns and get ONE of the following:

•   Free Microwave Drawer ($1,649 Value)
•   Steam/Convection Oven at 50% Discount from UMRP
•   Upgrade to a Star-Sapphire or get a 2nd Dishwasher Free (Upgrade Charges Apply)
•   Any Ventilation System Free (Up To A $3,848 Value)

AJ Madison Exclusive Rebate AJ Madison Exclusive Rebate
Download Download Rebate Form
Calendar Valid: 01/01/2015 - 12/15/2015

Available Rebates - May be Combined

Note: It is the sole responsibility of the customer to download and mail in the rebate form by the respective closing date. AJ Madison cannot be held responsible for non-compliance of the afore-mentioned.

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Quick Specs
Quick Specs


  • Fuel Type : Electric
  • Style : Smoothtop
  • Cooktop : Cooktop
  • Color : Stainless Steel
  • Surface Color : Black
  • Trim Color : Stainless Steel


  • Actual Width : 31"
  • Actual Depth : 21 1/4"
  • Actual Height : 3 15/16"
  • Cutout Width : 28 3/4"
  • Cutout Depth : 19 7/8"

Burner Output

  • Set 1 QTY : 1
  • Set 1 Output : 2500
  • Set 2 QTY : 1
  • Set 2 Output : 2200
  • Set 3 QTY : 1
  • Set 3 Output : 1800
  • Set 4 QTY : 1
  • Set 4 Output : 1200
  • Grill : No
  • Griddle : No


  • Burners : 4
  • Control Type : Knobs
  • Downdraft Venting : No
  • Induction : No
  • Hot Surface Indicator Light : Yes
  • Sabbath Mode : No

Technical Details

  • ADA Compliant : No
  • Modules Required : No
  • Amps : 40
  • Voltage : 240/208 Volts
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