13 Accessories
A. Gas Log/Lighter Provision
Warning! Fire and/or Asphyxiation Risk! Use with solid wood fuel or decorative gas appliance only. Gas fire gener- ates fumes.
•DO NOT install unvented gas logs
•Damper must be locked fully open when gas logs are installed
A certified gas log lighter or decorative gas log set can be installed in this fireplace.
• | Maximum input is 150,000 BTU/hr. |
• | Decorative gas appliance must be certified to ANSI Z21.60 |
| “Standard for Decorative Gas Appliances for Installation |
| in Vented Fireplaces”. |
Firebox
Refractory 
Seal with 
fireplace mortar 
or 
Outer shell of fireplace
Maintain air clearance 
to combustibles.
Combustible materials
• 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 fireplace with only compatible, listed gas log |
sets. See damper system manufacturer’s instructions. |
• Knockouts are provided on both sides of the fireplace for |
1/2 in. (13 mm) iron pipe. |
• A locating dimple (see Figure 13.2) is located on both sides |
Gas line 
Repack insulation knockout
Gas line
4 in.
(102 mm)
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.
of the fireplace 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 fireplace mortar or a high |
temperature, |
B. Wood Burning Inserts
Warning! Risk of Fire! Improper installation of wood inserts may cause fireplace or chimney system to overheat.
If a wood burning insert is being installed in this fireplace, 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 flue and using the cap certified for use with this fireplace system.
Figure 13.1 Gas Line Installation
Gas Line
Dimple
Gas Line
Dimple
Figure 13.2 Gas Line Dimples
48 | Heatilator • Birmingham BIR42 • |
