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Install and use fi rebox with care. Follow all local
codes. In the absence of local codes, use the
latest edition of The National Fuel Gas Code
ANSI Z223.1/NFPA 54*; National Fuel Gas
Code; Natural Gas and Propane Installation
Code (latest edition). Firebox must be electri-
cally grounded in accordance with the National
Electrical Code, ANSI/NFPA 70 (latest edition).
COMMONWEALTH OF MASSACHUSETTS REQUIREMENTS
These appliances are approved for installation in the US state of Massachusetts if the fol-
lowing additional requirements are met:
• Un-vented Room Heaters shall be installed in accordance with 527 CMR 30.
• Installation and repair must be done by a plumber or gas fi tter licensed in the Common-
wealth of Massachusetts.
• The fl exible gas line connector used shall not exceed 36 inches (92 centimeters) in length.
• The individual manual shut-off must be a T-handle type valve.
• Unvented appliances may NOT be installed in bedrooms or bathrooms.
• A working smoke detector must be installed in the area where vent-free appliances are
installed.
Seller of unvented propane or natural gas-fi red supplemental room heaters shall provide
to each purchaser a copy of 527 CMR 30 upon sale of the unit.
OPERATION
This fi rebox is designed for use with approved
ANSI Z21.11.2 decorative type unvented room
heaters. (Physical size limitations apply. Refer
to minimum fi rebox requirements supplied
with log heater.) It requires no outside vent-
ing or chimney making installation easy and
inexpensive. When used without the blower,
the fi rebox requires no electricity making it
ideal for emergency backup heat.
BLOWER ACCESSORY
The circulating models will accept either a ro-
tary type fan (model BK) or the triple radial fan
blower system (model BK3) or thermostatic
blower (model BKT) accessories. The blower
circulates heated air from the fi rebox into the
room. Use of the blower is optional.
PLANNING
Plan where you will install the fi rebox. This will
save time and money later when you install
the fi rebox. Before installation, consider the
following:
1. Where the fi rebox will be located. Allow for
wall and ceiling clearances (see Installa-
tion Clearances, Page 11).
2. Everything needed to complete installation.
4
LOCAL CODES
*Available from:
American National Standards Institute, Inc.
National Fire Protection Association, Inc.
PRODUCT FEATURES
REFRACTORY BRICK LINER
Your fi rebox may feature a concrete refractory
brick liner. As with all concrete liners, this liner
may develop slight cracks when exposed to
heat. These cracks will not affect the perfor-
mance of the fi replace or vent-free gas logs.
OPTIONAL FIBER AND PORCELAIN
LINERS
For a vintage look, the fi ber panels give a
old masonry brick look and are light weight
and easy to install. For a modern look, the
porcelain panels accessory have a black
sleek fi nish that refl ects the glow of the fl ame.
OPTIONAL OUTSIDE AIR KIT
The optional AK4, AK4X AK4F and AK4B air
kit provides additional outdoor air to improve
burner efficiency and reduce build-up of
condensation in the living space. Follow the
instructions included with the air kit.
LOCATING FIREBOX
3. These models CANNOT be installed in a
4. Proper air for combustion and ventilation
SuperiorFireplaces.US.com
25 West 43rd Street, 4th fl oor
New York, NY 10036
1 Batterymarch Park
Quincy, MA 02169-7471
bedroom unless the maximum BTU rating
of the installed vent-free log set is less
than 10,000 Btu/Hr.
(Page 8).
126712-01C
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