Bosch GWH 715 ES Installation Instructions Manual page 9

If wall is sheathed with plaster or drywall, it is
recommended that two support boards, either 1"x4" or
1/2" (minimum) plywood first be attached across a pair
of studs, see Fig. 8, page 9.
B Secure the wall mounting bracket provided with the
heater to the wall surface. The heater must be kept
level on the wall surface, see Fig. 9, page 9.
B Hang the appliance on the bracket, see Fig. 10, page
9.
Fig. 8 Distance between support boards
Fig. 9 Leveling the mounting bracket on the studs
6 720 608 158
Studs 16"
(406mm) on
center
Fig. 10 Mounting the heater
Warning: Appliance must be installed
vertically.
Installation instructions
9