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A. Gas Log/Lighter Provision
WARNING! Fire and/or Asphyxiation Risk! Use with solid
wood fuel or decorative gas appliance only. Gas re gener-
ates fumes.
• DO NOT install unvented gas logs
• Damper must be locked fully open when gas logs are
installed
Firebox
Repack
insulation
knockout
Combustible
materials
Maintain air clearance
to combustibles.
Gas line
Combustible materials
may be located at zero
clearance to gas line
beyond 4 in. (102 mm)
from fireplace side.
Gas line
1 1/2 in. (38 mm)
air space around
pipe
Refractory
Seal with
fireplace mortar
or non-combust-
ible sealant
4 in.
(102 mm)
Outer shell
of fireplace
Figure 13.1 Gas Line Installation
13
Accessories
B. Wood Burning Inserts
A certied gas log lighter or decorative gas log set can be
installed in this replace.
• Maximum input is 150,000 BTU/hr.
• Decorative gas appliance must be certied to ANSI Z21.60
“Standard for Decorative Gas Appliances for Installation
in Vented Fireplaces”.
• Must be installed in accordance with the National Fuel
Gas Code, ANSI Z223.1.
• A gas log set must incorporate a gas shutoff.
• Gas log set requires the damper to be locked fully open.
• A listed automatic damper system with safety interlock may
be used in this replace with only compatible, listed gas log
sets. See damper system manufacturer’s instructions.
• Knockouts are provided on both sides of the replace for
1/2 in. (13 mm) iron pipe.
• A locating dimple (see Figure 13.2) is located on both sides
of the replace in the molded brick panels for drilling a 1
in. (25 mm) diameter hole for installation of a gas line.
After the panel is installed, drill the hole for the gas line.
• Seal panel around pipe with replace mortar or a high
temperature, non-combustible sealant.
WARNING! Risk of Fire! Improper installation of wood
inserts may cause replace or chimney system to overheat.
If a wood burning insert is being installed in this replace,
Hearth & Home Technologies recommends full reline of the
chimney.
• Cooling air openings at the top of the chimney must not
be obstructed in any manner.
• Hearth & Home Technologies recommends securing the
reline at the top of the ue and using the cap certied for
use with this replace system.
Gas Line
Dimple
Gas Line
Dimple
Figure 13.2 Gas Line Dimples
Heatilator • Birmingham BIR42-B • 4059-681• 11/11