Thermador Cooktops Steel Gas 30'' Cooktop - SGS304Z - B/ W / S Burners and cast iron grates are Black for all models ThermaFlame electronic re-ignition 15,000 BTU/hr maximum power Compatible with Cook 'n' Vent Downdraft Ventilation Systems GENERAL INFORMATION Approximate Shipping Weight (LBS.): 45 TECHNICAL INFORMATION 60 HZ, Single Phase 120 VAC 3 Wire, 15 AMPS Front Left Burner - BTU/HR 950 - 8000 Front Right Burner - BTU/HR 1650 - 12000 Rear Left Burner - BTU/HR 1650 - 12000 Rear Right Burner - BTU/HR 950 - 8000 DIMENSIONS (INCHES) Overall Dimensions - A 31 Overall Dimensions - B 21.5'' Overall Dimensions - C 28.9375'' - 29..375 Overall Dimensions - D 18.5'' Cutout Width (CSV Downdraft) 28-15/16" Cutout Width (UCV Downdraft) 28-15/16" Cutout Depth (CSV Downdraft) 22-1/8" Cutout Depth (UCV Downdraft) 22-1/4" Overall Width (CSV Downdraft) 31" Overall Width (UCV Downdraft) 31" 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" 3-IN-1 STAR BURNER FOR FAST TIME-TO-BOIL, EVEN HEATING AND EXTRALOW SIMMER Reengineered Star Burner provides unsurpassed flame spread, faster time-to-boil and rapid recovery time BREAKTHROUGH BURNER LAYOUT 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.)