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Hearth & Home Technologies • PIER-DV36IN, ST-DV36IN Installation Manual • 2658-980 Rev. C • 4/22
Figure 6.12 Positioning the Appliance Squarely
A
B
Note: Diagonal dimensions (A) and (B) must be within
1/4 inch of each other.
The factory-installed non-combustible board spans the
distance from the top of the fireplace to the framing header.
This board must be used. Do not remove. See Figure 6.13.
Figure 6.13 Non-combustible Board
NON-COMBUSTIBLE BOARD
NON-COMBUSTIBLE BOARD
WARNING! Risk of Fire!
DO NOT remove factory-
installed non-combustible material.
C. Non-Combustible Material (Factory-In-
stalled)