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NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.
2
WARNING: THESE BUILT-IN UN-
VENTED FIREBOXES HAVE ONLY
BEEN TESTED AND APPROVED FOR
USE WITH ANSI Z21.11.2 UN-
VENTED GAS LOGS.
DO NOT ATTEMPT TO BURN SOLID
WOOD FUELS, OTHER GAS LOG SETS
OR ANY OTHER COMBUSTIBLE MATE-
RIALS IN THIS UNVENTED FIREBOX.
Log Set Sizing Reference Chart
Unvented Firebox Unvented Room Heater Log Set
Model Natural Propane (L.P.G)
Check the inventory list to be sure that you have
all the necessary parts in usable condition. Also
check for concealed damage.
Inventory
Unvented Gas Firebox
Canopy
Gas Connector Fittings
Installation and Operating Instructions
Tools and Building Supplies
Normally Required
Tools Should Include:
Phillips screwdriver
Hammer
Saw and/or sabersaw
Level
Measuring tape
Electric drill and bits
Pliers
Square
Piping complying with local codes
Pipe wrench
Tee joint
Pipe compound
Building Supplies Should Include:
Framing materials
Wall finishing materials
Caulking materials (noncombustible)
Fireplace surround materials
(noncombustible)
IMPORTANT SAFETY INFORMATION
INSTALLER: PLEASE LEAVE THESE INSTRUC-
TIONS WITH THE OWNER.
OWNER: PLEASE RETAIN THESE INSTRUC-
TION FOR FUTURE REFERENCE
IMPORTANT: BEFORE STARTING YOUR FIRE-
BOX INSTALLATION, READ THESE INSTALLA-
TION INSTRUCTIONS CAREFULLY TO BE SURE
YOU UNDERSTAND THEM COMPLETELY AND
IN ENTIRETY. FAILURE TO FOLLOW THESE
INSTRUCTIONS COULD CAUSE A HEATER
MALFUNCTION RESULTING IN SERIOUS IN-
JURY AND/OR PROPERTY DAMAGE.
WARNING: ANY CHANGE TO THIS UN-
VENTED ROOM HEATER CAN BE DAN-
GEROUS. IMPROPER INSTALLATION OR
USE OF THIS HEATER CAN CAUSE SERI-
OUS INJURY OR DEATH FROM FIRE,
BURNS, EXPLOSION OR CARBON MON-
OXIDE POISONING.
GENERAL INFORMATION
These ventless firebox enclosures are designed
to accept all ANSI Z21.11.2 approved Decora-
tive Type Unvented Gas Log Room Heaters.
For the appropriate Unvented Gas Log Room
Heater model, refer to the chart below. Refer to
the installation instructions provided with the
log sets for detailed instructions.
The UVFC Series are unvented fireboxes. They
feature a self-contained heat-circulating system.
The UVFR Series is a conventional radiant-
heat unvented firebox.
This installation manual will enable you to
obtain a safe, efficient and dependable instal-
lation of your room heater system.
Do not alter or modify the firebox or its com-
ponents under any circumstances. Any modifi-
cation or alteration of the firebox system, in-
cluding but not limited to the firebox and acces-
sories, may void the warranty, listings and
approvals of this system and could result in an
unsafe and potentially dangerous installation.
These Built-In Unvented Fireboxes have been
tested and approved as Ventless Firebox Enclo-
sures for Gas-Fired Decorative Type Ventless
Room Heaters to IAS 2-97.
TABLE OF CONTENTS
Firebox/Log Set Reference Chart ..... page 2
General Information......................... page 2
Inventory ......................................... page 2
Tools/Building Supplies ................... page 2
Important Safety Information .......... page 2
Codes .............................................. page 3
Combustion and Ventilation Air ....... page 3
Location of firebox........................... page 4
Clearances ....................................... page 4
Assembly Steps ............................... page 5
Gas Line Installation ........................ page 5
Firebox Framing............................... page 6
UVF-500 Specifications ................... page 6
Firebox Installation ..........................page 7
UVF-600 Specifications ................... page 7
Framing Specifications ....................page 8
Canopy Installation .......................... page 9
Optional Equipment ......................... page 9
Firebox finishes ............................... page 10
Replacement Parts .......................... page 10
Accessories/Components ................ page 10
Replacement Parts List.................... page 11
UVFC-500 VFGL-18/24MN/VN-3 VFGL-18/24MP/VP-3
PVFGL-18MN/VN PVFGL-18MP/VP
UVFC-600 VFGL-24/28MN/VN-3 VFGL-24/28MP/VP-3
PVFGL-24MN/VN PVFGL-24MP/VP
UVFR-500 VFGL-18/24MN/VN-3 VFGL-18/24MP/VP-3
PVFGL-18MN/VN PVFGL-18MP/VP
UVFR-600 VFGL-24/28MN/VN-3 VFGL-24/28MP/VP-3
PVFGL-24MN/VN PVFGL-24MP/VP