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B. Hearth Protection Requirements
EMBER PROTECTION: It is necessary to install a Type I
floor protector.
Floor protector must be non-combustible material,
extending beneath appliance with a minimum of 16 inches
(406mm) in front of glass and 8 inches (203mm) to both
sides of the fuel loading door. Open the door and measure
8 inches (203mm) from the side edge of the opening in the
face of the appliance. *See exception.
USA, minimum flat wall hearth pad
dimensions
35 1/4 in
minimum
Fuel door opening
8 in
16 in
16 in
from fuel door
from fuel door
opening
opening
19-1/4 in
Figure 9.1
*Canada, flat wall hearth pad
dimensions with double wall
horizontal venting
1141mm
minimum
203mm
203mm
457mm
from fuel door
opening
735mm
735mm
minimum
minimum
Figure 9.2
**this dimension will vary depending
installation.
August 13, 2018
35-5/8 in
minimum
8 in
47-1/2 in
USA
Figure 9.3
Must extend 51mm
Must extend 51mm
beyond each side of
beyond each side of
Corner hearth pad dimensions with double wall pipe
pipe (shaded area) to
pipe (shaded area) to
the wall thimble.
the wall thimble.
11181mm**
minimum
45 in
USA
Figure 9.4
In Canada, similar floor protection must be provided 18
inches (457mm) in front and 8 inches (203mm) from the
sides and rear of the appliance unless the hearth pad is
placed against the wall (Figure 9.2). Then the clearance
may be reduced using double wall pipe and the Clearance
to Combustibles table listed on page 10.
*Exception: Non-combustible floor protector must extend
beneath the flue pipe when installed with horizontal venting
and extend 2 inches (51mm) beyond each side; See
Figure 9.2
Fire Risk.
Hearth pads must be installed exactly as specified.
High temperatures or hot embers may ignite
concealed combustibles.
Corner hearth pad dimensions with single wall pipe
57-5/8 in
34 in
19-1/4 in
54-1/8 in
31-1/2 in
19-1/4 in
7061-197P
WARNING
1345mm
CANADA
Figure 9.5
1282mm
CANADA
Figure 9.6
Explorer II
1535mm
826mm
735mm
1445mm
762mm
735mm
9
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