Bradford White DS140S Installation And Operating Instruction Manual page 24

Installation (Vent-Air Intake System Installation) continued-
12. Mark the mounting screw hole locations for the backing plate. Rotate the
backing plate in order to gain access to the markings. With a 3/16 inch
diameter drill bit (not supplied), drill holes for the supplied wall anchors.
Install the wall anchors and secure the backing plate to the wall with
four (4) #10 x 1 inch screws (supplied) (See Figure 15). Note: Certain
construction of walls may require the use of a different type of anchoring
means than supplied.
When the installation is complete, visually inspect the air intake
system to insure that all joints are completely sealed.
Figure 15
IMPORTANT
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