Viessmann Vitodens 100-W B1HA 26 Installation And Service Instructions Manual page 14

Installation
Boiler Mounting
Boiler bracket
Boiler bracket
14
(continued)
Vitodens 100-W, B1HA/B1KA 26 to 125 Combi Installation/Service
Boiler mounting bracket installation on wood studs
Install mounting bracket on wood studs as per illustration.
Drill 3 / in. pilot holes to insert mounting bolts. Ensure
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that holes are located in the center of each wood stud.
Secure with bolts to wooden studs as shown.
Boiler mounting bracket installation on metal studs
Install mounting bracket on metal studs as per illustration.
Drill f in. pilot holes to insert anchors. Ensure that holes
are located in the center of each metal stud.
Use fasteners to mount boiler mounting bracket to metal
studs (supplied). Secure with bolts to metal studs as
shown. Ensure the mounting bracket is level.