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Bosch 800 Series 36" Stainless Steel Gas Cooktop (Floor Display)

Model #: NGM8657UC
At a Glance
Cooking with gas is versatile and simple with FlameSelect®. When it comes to adjusting the flame, it can be hard to determine the exact heat level you are on. Our new gas cooktops with FlameSelect® eliminate the guesswork. Equipped with nine precisely defined power levels, FlameSelect® lets you easily adjust the heat level to exactly what you need. Level 1 is perfect for low and gentle simmering perfect for melting chocolate and delicate sauces, and level 9 yields a rolling boil. So you can see and get perfect results with every dish.
$1,699.00Save $500.00

Get to know this product.

The stainless steel gas cooktop with FlameSelect® – achieve consistent cooking results thanks to nine precisely defined power levels.

  • FlameSelect® – allows for a precise adjustment of the flame size with nine defined power levels
  • Dual flame power burner with two heat options, quickly boil water or maintain a precise simmer
  • Heavy-duty grates can be easily and quickly cleaned in the dishwasher
  • OptiSim® burner – simmer delicate sauces and melt chocolate without scorching
  • Low profile stainless steel cooking surface is easily accessible and quick to clean


  • 5 Gas Burners
  • FlameSelect® (9 Power Levels)
  • Dual Flame Power Burner
  • OptiSim® Burner


  • Enamelled Heavy Duty Grates Can be Cleaned in Dishwasher
  • Push-to-Turn Knobs With Electronic Ignition
  • LP Conversion Kit Included for Conversion from Natural Gas to Liquid Propane


  • Low Profile Stainless Steel Cooking Surface
  • Perfect Results are Within Reach With Up-Front Centralized Controls
  • Cooktop Design Coordinates with Bosch Ovens and Ventilation

General Properties

Knob colorStainless steel appearance
Control locationFront-center
Gas valvesFive 9-level step valves
Ignition systemElectric; thermocouple safety control
Cooktop surface materialStainless steel
Grate materialCast iron
Grate featuresContinuous grates; dishwasher safe

Element Performance

Total BTU load (NG / LP)41,400 / 40,100
Power of front left burner (NG / LP) OptiSim®3,400 / 3,400 BTU
Power of back left burner (NG / LP)6,000 / 6,000 BTU
Power of center burner (NG / LP) Dual-flame17,000 / 15,700 BTU
Power of back right burner (NG / LP)9,000 / 9,000 BTU
Power of front right burner (NG / LP)6,000 / 6,000 BTU

Technical Details

Plug type3-prong
Power cord length40"
Fuel typeNatural Gas (factory set)
Convertible to LP (kit required)Yes


Required cutout size (HxWxD)1 1/4" x 33 1/2" x 19 5/16"
Minimum distance from counter front1 7/8"
Minimum distance from rear wall3"

Accessories — Included

IncludedLP conversion kit, OptiSim® cap

Misc. Specs

Product Weight (lbs.)42
Cooktop SurfaceStainless Steel
Fuel TypeNatural Gas
Appliance ColorStainless Steel
Type BurnerSealed
Depth (in.)20.5
Grate MaterialCast Iron
Height (in.)2.36
IgnitionElectric; Thermocouple Safety Control
Width (in.)36
Appliance Fit Width (in.)36
Collection800 Series
Color Finish NameStainless Steel
ADA CompliantNo
Number of Elements Burner Cooking Zones5
Commercial Use ApprovedNo
Smart CompatibleNo
Wifi CapableNo
Burner TypeSealed
Smart Home WifiNo
Number of Elements/Burners5
Grill IncludedNo
Griddle IncludedNo
Ignition TypeAutomatic Electronic
WarningProposition 65 Warning for California Residents