Bosch HDD80051UC Installation Instructions Manual page 14

Template
2-1/8" (54 mm)
24-11/16" (627 mm)
22-5/16" (567 mm)
Downdraft cutout width:
30" (762 mm) is 27-1/16" (687 mm)
19-1/8" (486 mm)
36" (914 mm) is 33-1/16" (840 mm)
1-1/16"
(27 mm)
BT
MIN.
1/2"
Cooktop cutout width
(13 mm)
1-7/8" (48 mm)