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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 12.1 Gas Line Installation
12
Accessories
A. Gas Log/Lighter Provision
WARNING! Fire and/or Asphyxiation Risk! Use with
solid wood fuel or decorative gas appliance only. Gas re
generates fumes.
• DO NOT install unvented gas logs
• Damper must be locked fully open when gas logs are
installed
A certied gas log lighter or decorative gas log set can be
installed in this replace.
• Maximum input is 100,000 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
insturctions.
• Knockouts are provided on both sides of the replace
and in refractories for 1/2 in. (13 mm) iron pipe.
• Seal refractory around pipe with replace mortar or a
non-combustible sealant.
B. Wood Burning Inserts
WARNING! Risk of Fire! Improper installation of wood in-
serts 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.
Heat & Glo • BAY-40, PIER-40 • 34977 • Rev AB 7/12