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Model library · Bosch Cooktop

RGM8658UC

Bosch RGM8658UC

Most common issues on this model

  1. A cabinet too shallow for a rangetop, as opposed to a cooktop
  2. Hood capacity that falls short of the combined output
  3. Fascia knobs getting warm with extended cooking

Think of the RGM8658UC as a rangetop: it is 35 15/16 inches wide and 25 3/4 inches deep, with six burners totaling 77,000 BTU, and its controls are on a raised fascia at the front instead of on the surface. It belongs to the 800 Series and is still sold by Bosch.

There is no oven under it. It goes into a cabinet run like a slide-in range does, which is why kitchens usually pair it with wall ovens somewhere else. Depth is the number that surprises people, because almost 26 inches calls for a deeper cabinet than any ordinary cooktop would.

Heat output on this scale needs a hood sized to match, and the knobs on the fascia can get warm during a long session. At a visit we confirm the cabinet depth, the hood and the gas connection first, then burn all six burners together. Many complaints turn out to concern the surroundings.

Key features

  • Gas rangetop from the 800 Series with six burners
  • 77,000 BTU across all burners using natural gas
  • Measures 35 15/16 in wide and 25 3/4 in deep
  • Cast iron grates; controls on a front fascia that is raised
→Codes

Error codes this model can show

RGM8658UCRGM8658UC questions
Why does a rangetop need a deeper cabinet than a cooktop?

Its body is almost 26 inches front to back, and the controls sit on a front fascia. A standard cooktop cabinet is usually shallower, so measure before you plan a replacement.

Is the 77,000 BTU total a problem for my hood?

It can be. That much output calls for ventilation chosen to match. If your kitchen gets hot or greasy when all burners run, the hood is the first thing we would examine.

The front knobs feel warm. Should I worry?

A little warmth after a long session is expected because they sit on the front fascia near the burners. If they become uncomfortable to touch, tell us and we will check clearances.

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