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13
Accessories
WARNING! Fire and/or Asphyxiation Risk!
installed
gas line.
WARNING! Risk of Fire!
Use with solid
-
Refractory
Seal with
fireplace mortar
or non-combust-
ible sealant
National Fuel
Gas line
Repack
insulation
knockout
Outer shell
of fireplace
Firebox
Gas line
4 in.
(102 mm)
Maintain air clearance
to combustibles.
Combustible
materials
1 1/2 in. (38 mm)
air space around
pipe
Combustible materials
may be located at zero
clearance to gas line
beyond 4 in. (102 mm)
from fireplace side.
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