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Installation and Operation Manual - Osburn 1700-I
ENGLISH
9.3 Minimum Masonry Opening and Clearances to Combustibles
COMBUSTIBLE MANTEL SHELF
COMBUSTIBLE
TOP SURROUND
C
O
M
BU
ST
IB
LE
SI
D
E
SURR
O
UN
D
AD
JA
C
EN
T
SI
D
E
W
AL
L
FLOOR PROTECTION
J
I
H
Q
G
F
K
L
O
P
Figure 24: Masonry Opening and Clearances
MINIMUM CLEARANCES
F
16" (406 mm)
G
9" (229 mm)
H
27" (686 mm)
I
27" (686 mm)
Q
84" (213 cm)
MAXIMUM
THICKNESS
O
5" (127 mm)
P
12" (305 mm)
MINIMUM MASONRY
OPENING
J
21 ½" (546 mm)
K
16
27 ½" (700 mm)
L
12
⅞
(328 mm)
16
If a fresh air intake is required, it is recommended to add at least 4" to the width of the minimum opening of the hearth.
Summary of Contents for 1700-I
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