Bosch HBN8451UC
Needs a cabinet cutout of 25 1/2″ W × 27–28 5/8″ H × 23 1/2″ D — from the manufacturer spec sheet.
Key specifications
25 1/2″Cutout W
27″Cutout H
23 1/2″Cutout D
SingleConfig
| Cutout (H×W×D) | 27–28 5/8″ × 25 1/2″ × 23 1/2″ |
|---|---|
| Overall (H×W×D) | 29″ × 26 3/4″ × 24 1/2″ |
| Brand | Bosch |
| Model number | HBN8451UC |
Manufacturer cutout (rough opening):
25 1/2″ W ×
27–28 5/8″ H ×
23 1/2″ D.
Taken from the manufacturer’s installation spec sheet — the exact niche this built-in is designed to drop into.
Frequently asked
What cutout does the Bosch HBN8451UC need?
The Bosch HBN8451UC drops into a cabinet cutout of 25 1/2″ W × 27–28 5/8″ H × 23 1/2″ D — cut to the manufacturer’s spec sheet.
Will the Bosch HBN8451UC fit my cabinet?
It’s built for the cutout above — measure your rough opening against it and cut to the model’s installation template.
Is the Bosch HBN8451UC a single or double oven?
Single — its cutout height is 27–28 5/8″.
Measured from official ENERGY STAR data + manufacturer spec sheets · Last verified May 2026