INSTALLATION AND
OPERATING INSTRUCTIONS
UNIVERSAL VENT-FREE FIREBOX
36" x 24", 36" x 28" & 42" x 28" Universal Vent-Free Fireboxes
P/N 700,032M REV. B 05/2006
MODELS
UVF-36
UVFRC-4228
UVFRC-3628
UVFRC-3628-H
UVFRC-4228-H
UVFRC-4228 Shown
INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE.
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFERENCE.
FOR USE ONLY WITH A LISTED GAS-FIRED UNVENTED DECO-
RATIVE ROOM HEATER NOT TO EXCEED 40,000 BTU/H.
In the Commonwealth of Massachusetts:
• Installation must be performed by a licensed plumber or
gas fitter;
DO NOT BURN WOOD OR OTHER MATERIAL IN THESE
APPLIANCES.
• See Table of Contents for location of additional Com-
monwealth of Massachusetts requirements.
WARNING:IMPROPERINSTALLATION,ADJUSTMENT,ALTER-
ATION, SERVICE OR MAINTENANCE CAN CAUSE INJURY OR
PROPERTY DAMAGE. REFER TO THIS MANUAL. FOR ASSIS-
TANCEORADDITIONALINFORMATIONCONSULTAQUALIFIED
INSTALLER, SERVICE AGENCY OR THE GAS SUPPLIER.
WARNING: DO NOT ATTEMPT TO BURN SOLID
WOOD FUELS, OTHER GAS LOG SETS OR ANY
OTHER COMBUSTIBLE MATERIALS IN THIS
VENT-FREE FIREBOX.
CAREFULLY REVIEW THE INSTRUCTIONS SUPPLIED WITH
THE DECORATIVE TYPE VENT-FREE ROOM HEATER FOR THE
MINIMUM FIREPLACE SIZE REQUIREMENT.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammables or liquids in the vicinity of
this or any other appliance.
DO NOT INSTALL AN APPLIANCE IN THIS FIREBOX, UNLESS
THISFIREBOXMEETSTHEMINIMUMDIMENSIONS REQUIRED
FOR THE INSTALLATIONS.
FOR YOUR SAFETY: What to do if you smell gas:
• DO NOT light any appliance.
• DO NOT touch any electrical switches.
• Do not use any phone in your building.
• Immediately call your gas supplier from a
neighbor’s phone. Follow your gas suppliers
instructions.
THIS IS A VENT-FREE GAS-FIRED HEATER ENCLOSURE. IT
USES AIR (OXYGEN) FROM THE ROOM IN WHICH IT IS IN-
STALLED. PROVISIONS FOR ADEQUATE COMBUSTION AND
VENTILATION AIR MUST BE PROVIDED. REFER TO COMBUS-
TION AND VENTILATION AIR SECTION, PAGES 3 & 4.
• If your gas supplier cannot be reached, call
the fire department.
Due to high temperatures, the appliance should be located out
of traffic and away from furniture or draperies.
Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
Do not place clothing or other materials on or near this appli-
ance.
IMPORTANT: READ AND UNDERSTAND THESE INSTRUCTIONS
COMPLETELY BEFORE INSTALLING YOUR VENT-FREE ROOM
HEATERS.
OTL Report No.116-F-38-5
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Misc. Codes / Standards -
CONGRATULATIONS!
The Installation must conform to local codes
or, in the absence of local codes, with the
National Fuel Gas Code, ANSI Z223.1/NFPA 54
- latest edition.
In selecting this SUPERIOR Vent-Free Gas Firebox you have chosen the finest and most
dependable fireplace to be found anywhere. A beautiful, prestigious, alternative to a
wood burning fireplace. Welcome to a family of tens of thousands of satisfied SUPERIOR
Fireplace Owners.
The appliance, when installed, must be electri-
callygroundedinaccordancewithlocalcodesor,
in the absence of local codes, with the National
Electrical Code, ANSI/NFPA 70 - latest edition.
Please read and carefully follow all of the instructions found in this manual. Please pay
special attention to the safety instructions provided in this manual. The Homeowner's
Care and Operation Instructions included here will assure that you have many years of
dependable and enjoyable service from your SUPERIOR product.
Checkthepackaginglisttobesurethatyouhave
all the necessary parts in usable condition. Also
check for concealed damage.
GENERAL INFORMATION
TABLE OF CONTENTS
Important Safety Information........... Page
Packaging List.................................. Page
General Information......................... Page
Burn-in Period.................................. Page
Tools/Building Supplies.................... Page
Codes............................................... Page
Combustion And Ventilation Air ....... Page
Cold Climate Insulation.................... Page
New York City Approval.................... Page
Requirements for the
Commonwealth of Massachusetts Page
Location Of Firebox.......................... Page
Clearances ....................................... Page
Assembly Steps ............................... Page
Gas Line Installation......................... Page
Firebox Framing............................... Page
Firebox Installation........................... Page
Specifications................................... Page 10
Framing Specifications..................... Page 11
Canopy Installation .......................... Page 11
Optional Equipment / Blower Kit
Installation .................................. Page 12
Firebox Finishes............................... Page 15
Accessories/components................. Page 15
Replacement Parts List.................... Page 17
2
3
3
3
3
3
3
4
4
TheseVent-Freefireboxenclosuresaredesigned
to accept all ANSI Z21.11.2 approved Decora-
tive Type Vent-Free Gas Log Room Heaters.
For the appropriate Vent-Free Gas Log Room
Heater model, refer to Page 16 (see Vent-Free
Gas Log Sets). Refer to the installation instruc-
tions provided with the log sets for detailed
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
Thisinstallationmanualwillenableyoutoobtain
a safe, efficient and dependable installation of
your room heater system.
5
6
6
8
8
9
9
Square
Piping complying with local codes
Pipe wrench
Tee joint
Pipe compound
Do not alter or modify the firebox or its
components under any circumstances. Any
modificationoralterationofthefireboxsystem,
including but not limited to the firebox and ac-
cessories, may void the warranty, listings and
approvals of this system and could result in an
unsafe and potentially dangerous installation.
Building Supplies Should Include:
•
•
•
•
Framing materials
Wall finishing materials
Caulking materials (noncombustible)
Fireplace surround materials
(noncombustible)
•
Insulation
(for packing around gas-line penetration holes)
These Built-In Vent-Free Fireboxes have been
testedandapprovedasVentlessFireboxEnclo-
suresforGas-FiredUnventedDecorativeRoom
Heaters to ANSI Z21.91.
CODES
This installation manual will help you obtain
a safe, efficient, dependable installation for
your appliance and vent system.
Adhere to all local codes or in their absence
the latest edition of The National Fuel Gas Code
ANSI Z223.1 or NFPA 54 which can be obtained
fromTheAmericanNationalStandardsInstitute,
Inc. (1430 Broadway, New York, NY, 10018) or
National Fire Protection Association, Inc. (Bat-
terymarch Park, Quincy, MA, 02269).
Burn-in Period
During the first few times of operation of this
appliance there will be some odor due to the
curing of the paint and burning off of lubricants
used in the manufacturing process. We recom-
mend that you open windows and ventilate the
house during the initial burns. The paint emits
non-toxic odors during this process.
PLEASE READ AND UNDERSTAND
THESE INSTRUCTIONS BEFORE BEGIN-
NING YOUR INSTALLATION.
Packaging List
COMBUSTION AND VENTILATION AIR
Vent-Free Gas Firebox
Heaters installed in these appliances shall
not be installed in a confined space. Heaters
installed in these appliances may be located
in unusually tight construction provided the
space is unconfined, or if confined, is provided
with two permanent openings communicating
directly with an additional room(s) of suf-
ficient volume so that the combined volume
of all connected spaces meets the criteria for
an unconfined space, (National Fuel Gas Code
ANSI Z223.1 1992, Section 5.3). Generally 50
ft3 per 1,000 BTU input of all operating appli-
ances in the space.
Canopy (optional for models UVFRC-3628,
UVFRC-3628-H, UVFRC-4228 & UVFRC-4228-H)
Installation and Operating Instructions
Warranty Certificate
Depending on your use, the burn-in period may
take a few hours or a few days.
KEEP YOUR HOUSE WELL VENTILATED
DURING THE BURN-IN PERIOD. THE ODOR
AND HAZE EMITTED DURING THE BURN-IN
PERIODCANBEQUITENOTICEABLEANDMAY
SET OFF A SMOKE DETECTOR.
If an optional blower is installed, Do not turn it
on during the Burn-In period.
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The National Fuel Gas Code defines a confined
space as a space whose volume is less than
50ft3 per 1,000 BTU/Hr (4.8 m3 per kw) of the
aggregateinputratingofallappliancesinstalled
inthatspaceandanunconfinedspaceasaspace
whose volume is not less than 50 ft3 per 1,000
BTU/Hr (4.8m3 per kw) of the aggregate input
rating of all appliances installed in that space.
Rooms communicating directly with the space
in which the appliances are installed, through
openings not furnished with doors, are consid-
ered a part of the unconfined space.
3. Add the BTU/Hr of all the fuel burning appli-
Your options are:
ances in the space.
a. Reworkequationsaddingthespaceofadjoin-
ing room(s). If the extra volume provides an
unconfined space, then remove door or add
ventilation grills between rooms. Refer to
National Fuel Gas Code, ANSI Z223.1 1992,
Section 5.3.
Vent-Free heater
Gas appliance #1*
Gas appliance #2
________ BTU/Hr
________ BTU/Hr
+________ BTU/Hr
Total =________ BTU/Hr
Example:
Vent-free heater
26,000 BTU/Hr
b. Vent room directly to the outdoors. Refer to
National Fuel Gas Code, ANSI Z223.1 1992,
Section 5.3.
c. InstallalowerBTU/Hrheater,suchasa21,000
BTU/Hr, to make the area an unconfined
space.
Gas appliance #1
(water heater)
40,000 BTU/Hr
Total = 66,000 BTU/Hr
Unusually tight construction is defined as
construction where:
* Do not include direct-vent gas appliances.
Direct-vent is sealed combustion and draws
combustion air from the outdoors.
4. ComparethemaximumBTU/Hrthespacecan
support with the actual amount of BTU/Hr
used.
a. Walls and ceilings exposed to the outside
atmosphere have a continuous water vapor
retarderwitharatingofonepermorlesswith
openings gasketed or sealed, and
b. Weather stripping has been added on oper-
able windows and doors, and
c. Caulkingorsealantsareappliedtoareassuch
as joints around window and door frames,
between sole plates and floors, between
wall-ceiling joints, between wall panels, at
penetrations for plumbing, electrical, and
gas lines, and at other openings.
If the actual BTU/Hr used is less than the
maximum BTU/Hr the space can support, then
the space is an unconfined space. You will
need no additional fresh air ventilation for an
unconfined space.
_________ BTU/Hr
(max. the space can support)
_________ BTU/Hr
(actual amount of BTU/Hr used)
Example:
COLD CLIMATE INSULATION
61,440 BTU/Hr
(max. the space can support)
66,000 BTU/Hr
For cold climate installations, seal all cracks
around the appliance with noncombustible
material and wherever cold air could enter
the room. It is especially important to insulate
outside cavities between studs and under floor
on which the appliance rests, if floor is above
groundlevel. Gaslineholesandotheropenings
should be caulked with high temperature caulk
or stuffed with unfaced fiberglass insulation. If
thefireplaceisbeinginstalledonacementslab,
in cold climates, a sheet of plywood or other
raised platform can be placed underneath to
preventconductingcoldupintotheroom.Italso
helps to sheetrock inside surfaces and tape for
maximum air tightness and caulk firestops.
(actual amount of BTU/Hr used)
Use the following equations to determine if you
have a confined or unconfined space.
The space in the above example is a confined
space because the actual BTU/Hr used is more
than the maximum BTU/Hr the space can sup-
port. You must provide additional fresh air.
1. Determine the volume of space — ft3.
Length x Width x Height = _____ ft3
(Include adjoining rooms with doorless
passageways or ventilation grills between
rooms).
WARNING
If the area in which the heater may
be operated is smaller than that
defined as an unconfined space,
provide adequate combustion and
ventilationairbyoneofthemethods
described in the National Fuel Gas
Code, ANSI Z223.1 1992, Section
5.3 or applicable local codes.
Example: 24' (L) x 16' (W) x 8' (H) = 3072
ft3
2. Divide the volume of space by 50 ft3 to
determine the maximum BTU/Hr the space
can support.
(volume of space – ft3)/ 50 ft3 = (Maximum
BTU/Hr the space can support)
Example: 3072 ft3 / 50 ft3 = 61.44
or 61,440 BTU/Hr the space can support.
NEW YORK CITY, NEW YORK (MEA)
Installation of these fireplaces are approved for
installation in New York City in the US state of
New York.
NOTE: DIAGRAMS & ILLUSTRATION ARE NOT TO SCALE.
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(e)Unventedpropaneornaturalgas-firedspace/roomheatersshall
be prohibited in bedrooms and bathrooms.
Note: The following requirements reference various Massachusetts
and national codes not contained in this document.
(f)Space/roomheatersshallbeproperlysizedfortheroomorspace
of installation, but shall not exceed a maximum of 40,000 BTU
input per room or space.
Requirements for the Commonwealth of Massachusetts
Un-vented Room Heaters shall be installed in accordance with 527 CMR
30.00 and 248 CMR 3.00 through 7.00:
(g)In occupancies with an unvented propane or natural gas-fired
space/room heater, no less than one listed carbon monoxide
detector that is installed in accordance with the manufacturers
instructions shall be installed and maintained near the space
where the heater is located.
(a) Permits and Inspections: In addition to complying with 248 CMR
3.05 the following requirements must be satisfied:
1. A permit shall be obtained from the head of the fire department and
the local or state gas inspector having jurisdiction for the installation
of all unvented propane or natural gas-fired space/room heaters.
1. Any building wherein the heater is to be installed shall,
as a precondition to such installation, have working smoke
detectors installed and maintained in accordance with the
requirementsof780CMR(StateBoardofBuildingRegulations
and Standards) in effect at the time of construction or;
2. The permits shall be conditioned upon final inspection and approval
of installation by the head of the fire department and the local or state
gas inspector having jurisdiction.
2. If no requirement was in effect at the time of construc-
tion the smoke detector shall be compliant and installed as
provided for in M.G.L. c. 148, § 26E.
3. A copy of the manufacturer’s installation/operating literature shall be
submitted with each permit application.
4. Before operation, the Head of the Fire Department and the local or
state gas inspector shall inspect the installation for compliance with
527CMR(BoardofFirePreventionRegulations)and248CMR(Board
of State Examiners of Plumbers and Gas Fitters).
(h)In rooms and buildings served by an unvented propane or
natural gas-fired space/room heater, a primary source of heat,
whichisoperable, shallbepermanentlyinstalledandmaintained
in the building in accordance with 105 CMR (Department of
Public Health).
5. A final inspection by the state or local gas inspector of the unvented
space/room heater shall not be performed until proof is provided
that the head of the fire department having jurisdiction has granted
a permit.
(i)Sellers of unvented propane or natural gas-fired space/room
heaters shall provide to each purchaser a copy of 527 CMR
30.00 upon sale of the unit.
(b)Unvented propane or natural gas-fired space/room heaters
shall conform to ANSI Z21.11.2, be equipped with an oxygen
depletionsafety(ODS)shutoffsystemandbeProduct-approved
in accordance with 248 CMR.
• Installationandrepairmustbedonebyaplumberorgasfitterlicensed
in the Commonwealth of Massachusetts.
• The flexible gas line connector used shall not exceed 36 inches (92
centimeters) in length.
(c)Unvented propane or natural gas-fired space/room heaters
shall be installed in accordance with their listings and the
manufacturer’sinstructions.Properclearancestocombustibles
shall be maintained. In no case shall the clearances be such as
to interfere with combustion air and accessibility.
• The individual manual shut-off must be a T-handle type valve.
(d)Installations shall be of a permanent type, with a permanently
piped fuel supply in accordance with 248 CMR. LPG appliances
shall be subject to the storage requirements in accordance with
527 CMR 6.00. Portable unvented propane or natural gas-fired
space/room heaters shall be prohibited.
NOTE: DIAGRAMS & ILLUSTRATION ARE NOT TO SCALE.
5
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LOCATION OF FIREBOX
WARNING
Do not install these built-in Vent-
Freefireboxesinsleepingquarters,
or in recreational vehicles.
Carefullyselectthebestlocationforinstallation
ofyourbuilt-inVent-Freefirebox.Thefollowing
factors should be taken into consideration:
40"
16"
• Clearance to side wall, ceiling, woodwork
and windows.
WARNINGS
• Location must not be affected by drafts
caused by kitchen exhaust fans, return air
registers for forced air furnaces/air condi-
tioners, windows or doors.
Optional
Hearth
Do not install these appliances:
• Where curtains, furniture, cloth-
ing or other flammable objects
are less than 42" from the front of
the Vent-Free room heater.
• In high traffic areas.
Extension
• Installation must provide adequate ventila-
Figure 2
tion and combustion air.
• Do not install this firebox in a sleeping room
Ceiling clearance: The ceiling must be at
least 40" from the top of the firebox opening
(Figure 2 ).
or bathroom.
• In windy or drafty areas.
• Location should be out of high traffic areas
and away from furniture and draperies due
to heat from firebox.
Noncombustible material: Noncombustible
materials, such as slate and marble, must be
at least 1/2" thick and may be used without
restriction above the firebox opening, to the
sides or as a hearth extension, so long as
they do not obstruct vent openings for heat
circulating models.
• Never obstruct the front opening of the
Vent-Free firebox or restrict the flow of
combustion and ventilation air.
• Minimize modifications to existing construc-
RECOMMENDATION: Use high temperature
finish material for the mantels and/or use
the canopy (for UVFRC-3628, UVFRC-3628-
H, UVFRC-4228 & UVFRC-4228-H).
tion. See Figure 1 for location suggestions.
CAUTION
Do not install in the vicinity where
gasolineorotherflammableliquids
may be stored. The Vent-Free fire-
boxmustbekeptclearandfreefrom
these combustible materials.
Combustible Wall Clearance
Not to Scale
Above Appliance (all models)
Figure 1
Finished Wall
Clearances
Ensure the minimum clearances shown in
Figures 2 through 6 are maintained. Left and
right clearances are determined when facing
the front of the firebox.
Header
Top Stand-
Off Spacer
(on appliance)
WARNING
Do not use a blower insert, heat
exchanger insert or other acces-
sory not approved for use with this
fireplace.
Non-Combustible
Material 3" Min.
(shaded area)
Followtheseinstructionscarefullytoensuresafe
installation.Failuretofollowtheserequirements
may create a fire hazard.
Top of Appliance
Shown with Canopy
Installed (required on
UVF-36 only)
Sidewall clearances: The sides of the firebox
opening must be at least 16" from any com-
bustible wall (Figure 2 ).
Fireplace
Opening
Figure 3
6
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Combustible Mantel and Trim Clearance
Combustible Mantel and Trim Clearance
Model UVF-36 WITH Canopy Installed
Models UVFRC-3628 and UVFRC-4228 WITHOUT Canopy Installed
Canopy is required on all installations for this model only.
Canopy is optional on these models
Safe Zone
Safe Zone
Combustible Mantel
and Trim
Combustible Mantel
and Trim
24”
23”
22”
18”
17”
16”
15”
14”
13”
21”
Combustible
Combustible
Material (wall)
Coordinate
in (ꢀ)Example
Material (wall)
Coordinate
20”
in (ꢀ)Example
19”
18”
17”
ꢀ
ꢀ
12”
11”
10”
Header
Header
Top Spacer
on Appliance
Top Spacer
16”
on Appliance
9”
8”
7” 6”
10” 9”
Non-Combustible
Material 3” Min.
Non-Combustible
Material 3” Min.
6”
8” 7“
5” 4” 3”
ꢀExample
Top of Appliance
Top of Appliance
ꢀExample
Canopy
Top of Firebox Opening
Top of Firebox Opening
Screen
Screen
EXAMPLE: If you choose to install a mantel that projects 5", you will need to
EXAMPLE: If you choose to install a mantel that projects 7", you will need to install it
ꢀ
ꢀ
install it so that the bottom of the mantel and trim is approximately 13" or more
above Firebox opening (see coordinate in shaded area above).
so that the bottom of the mantel and trim is approximately 19" or more above Firebox
opening (see coordinate in shaded area above).
Figure 6
Figure 4
Noncombustible material (minimum requirements) with wood mantel or
other combustible projections: To install the firebox with a wood mantel,
shelf or other combustible projection above firebox opening. Refer to
Figures 4, 5 & 6.
Combustible Mantel and Trim Clearance
Models UVFRC-3628 and UVFRC-4228 WITH Canopy Installed
Canopy is optional on these models
Safe Zone
WARNING
Combustible Mantel
and Trim
The canopy must be in place to be in compliance with
the clearances specified in Figures 4 & 5. Do not remove
or replace canopy, only use canopy supplied or offered
for these fireboxes (see Pages 16 & 17). Do not use any
canopy which may be provided with the decorative type
Vent-Free room heater.
16”
Combustible
15”
Material (wall)
Coordinate
in (ꢀ)Example
14”
13”
ꢀ
12”
Header
11”
Top Spacer
on Appliance
If your mantel profile is unsafe, you may either:
10”
Non-Combustible
Material 3” Min.
9-1/2”
•
•
Raise the mantel to an acceptable
height, or
3”
6” 5” 4”
2”
Top of Appliance
Screen
Remove the mantel.
ꢀ
Example
Floor clearance: These fireplaces may sit directly on a combustible surface.
The appliance should be mounted on a fully supported base extending the
full width and depth of the unit. The appliance may be located on or near
conventional construction materials. However,
Canopy
Top of Firebox Opening
EXAMPLE: If you choose to install a mantel that projects 4", you will need to install it
so that the bottom of the mantel and trim is approximately 13" or more above Firebox
opening (see coordinate in shaded area above).
ꢀ
if installed on combustible materials, such as carpeting, vinyl tile, etc., a metal
or wood barrier covering the entire bottom surface must be used.
Figure 5
NOTE: DIAGRAMS & ILLUSTRATION ARE NOT TO SCALE.
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ASSEMBLY STEPS
Consult all local codes.
IMPORTANT
Holdheaterregulatorwithawrench
topreventmovementwhenconnect-
ing to inlet piping.
Notes:
Properly size and route the gas supply line
from the supply regulator to the area where the
appliance is to be installed per requirements
outlined in the National Fuel Gas Code, NFPA
54 - latest edition (USA) or B149 - latest edition
(Canada). Never use galvanized or plastic pipe.
Gaslinesmustberouted,constructedandmade
of materials that are in strict accordance with
local codes and regulations. We recommend
that a qualified individual such as a plumber
or gas fitter be hired to correctly size and route
the gas supply line to the appliance. Installing
a gas supply line from the fuel supply to the
applianceinvolvesnumerousconsiderationsof
materials,protection,sizing,locations,controls,
pressure,sediment,andmore.Certainlynoone
unfamiliarandunqualifiedshouldattemptsizing
or installing gas piping.
•
Illustrations shown in this manual reflect
“typical” installations with nominal dimen-
sions and are for design and framing refer-
ence only. Actual installations may vary due
to individual design preferences. However,
always maintain minimum clearances to
combustiblematerialsanddonotviolateany
specific installation requirements. Refer to
WARNING
Connecting directly to an unregu-
lated propane (L.P.G). tank can
cause an explosion.
theFramingSpecificationsFigure onPage
11.
s
• The following steps represent the normal
sequence of installation. Each installation
is unique, however, and might require a
different sequence.
IMPORTANT
Pack unfaced fiberglass insulation
material (not provided) around the
gas line access hole on appliance
and all exterior gas line penetra-
tion holes.
Step 1. Position firebox prior to framing or
into prepared framing.
Removethegaslineaccesscoverplateoneither
the left or right side of the fireplace (see Figure
8 showing locations).
Step 2. Field wire the main power supply to
the appliance if a blower kit is to be installed
(at the time of installation or a later date).
An optional junction box kit and blower kit is re-
quired(seePage15 for ordering information).
Followtheinstallationandwiringinstructionson
Pages 12 through 14). Electrical connections
should only be performed by an experienced,
licensed/certified tradesman.
Install 1/2" min. to 1-1/2" max. inside diameter
approved gas line through the firebox wall for
connection to the Vent-Free room heater inside
the firebox. Connect the gas line before the
firebox is enclosed in the finished wall. Gas line
holesandotheropeningsshouldbecaulkedwith
high temperature caulk or stuffed with unfaced
fiberglass insulation.
TEST ALL CONNECTIONS FOR GAS LEAKS
(FACTORY AND FIELD)
Test all gas joints from the gas meter to the
gas heater regulator for leaks using a gas leak
test solution (also referred to as bubble leak
solution).
Ensure that a sediment trap is installed in the
existing gas line, if not, install a sediment trap
upstream of the heater to prevent moisture
and contaminants from passing through trap
to the heater controls and burners. Failure to
do so could prevent the heater from operating
reliably.
Note: Using a soapy water solution as a leak
detection solution is not recommended because
the soap residue that is left on the pipes/fittings
canresultinafalse-positiveleakdetectionreading
if a gas leak sniffer is used. Soap residue can also
result in corrosion over time.
Step 3. Plumb gas line. (Gas connections
should only be performed by an experienced,
licensed/certified tradesman).
Step 4. Install decorative type Vent-Free room
heater per the instructions provided with the
Vent-Free room heater.
An external regulator must be used on all pro-
pane(L.P.G).heaters,inadditiontotheregulator
fitted to the heater, to reduce the supply tank
pressure to 13" W.C. (maximum). Any copper
tubing used to supply propane (L.P.G). from
the tank must be internally tinned.
DO NOT USE AN OPEN FLAME TO CHECK
FOR LEAKS.
Step 5. Complete finish wall material, sur-
round and optional hearth extension to your
individual taste.
Leak Test Procedure:
Turn on gas supply and test for gas leaks using
a gas leak test solution.
A. Light the appliance (refer to the lighting
instructions label provided with gas logs).
INSTALLATION
WARNING
Gas Line Installation
Check Gas Type: The gas supply
must be the same as stated on the
heater’s rating plate. If the gas
supplyisdifferent,DONOTINSTALL
the heater. Contact your dealer for
the correct model.
B. Brush all joints and connections with the gas
leak detection solution. If bubbles are formed,
or gas odor is detected, turn the gas control
knob(off/pilot/on)tothe“OFF”position. Either
tightenorrefastentheleakingconnection,then
retest as described above.
CAUTION
Plumbing connections should
only be performed by a qualified,
licensed plumber. Main gas supply
must be off when plumbing gas
line to fireplace or performing
service.
C. When the gas lines are tested and found to
beleakfree,rinseofftheleaktestingsolution
from gas line fittings.
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3. Note the floor construction, i.e. 2" x 6", 2" x
8" or 2" x 10", single or double joists, type
and thickness of floor boards.
Note: The nailing flange and the area directly
behind the nailing flange is exempt from the
clearances described on the firebox clearance
label.
Firebox Framing
Construct firebox framing following Figures
9 through 11 and Table 1 on Page 11 for
yourspecificinstallationrequirements.Referto
Figure 8 on Page 10 for firebox dimensions.
4. Use this information and consult your lo-
cal building code to determine if you need
additional support.
Step 4. To safely operate the heater with con-
sideration of the mantel clearances the canopy
must be installed (Model UVF-36 Only).
The firebox may be installed directly on a
combustible floor or raised on a platform of
an appropriate height. Do not place firebox on
carpeting, vinyl or other soft floor coverings. It
may,however,beplacedonflatwood,plywood,
particle board, metal or other hard surfaces
which extend the full width and depth of the
enclosure. Be sure firebox rests on a solid
continuous floor or platform with appropriate
framing for support and so that no cold air can
enter room from under the firebox.
If you plan to raise the firebox, build the plat-
form assembly then position firebox on top.
Secure the platform to the floor to prevent
possible shifting.
IMPORTANT
Under no circumstances shall the
firebox top spacers be removed
or modified (see Figure 8). The
header may be in direct contact
with the top spacers but must not
be supported by them or notched to
fit around them.
Firebox Installation
Step1. Frametheseappliancesasillustratedin
Figures 9 through 11. All framing details must
allow for a minimum clearance to combustible
framing members as shown in Figures 2
through6. Alsorefertoappliancespecifications
on Page 10 . Headers may be in direct contact
with the appliance top spacers but must not
be supported by them or notched to fit around
them. Allconstructionabovetheappliancemust
be self supporting, DO NOT USE THE APPLI-
ANCE FOR STRUCTURAL SUPPORT.
CAUTION
Do not block the heat-circulating
air inlets and outlets on these
fireboxes. Doing so may create a
potential fire hazard.
Top Spacer
The firebox may be positioned and then the
framing built around it, or the framing may
be constructed and the firebox positioned into
the opening.
Note: The framed depth from a framed wall,
must always be measured from a finished
surface. If a wall covering such as drywall is
to be attached to the rear wall, then the depth
must be measured from the drywall surface. It
is important that this dimension be exact.
8d Nail
Usually, no special floor support is needed for
the firebox, however, to be certain:
Step 2. Level the firebox by checking the top
edge of the firebox. Shim if necessary.
1. Estimate the total weight of the firebox
system and surround materials such as
marble, brick, stone, etc., to be installed
(see Product Referance Table on Page 10
for appliance weight).
Step 3. Fireplace should be secured to side
framing members using the full length nailing
tabs at the top and bottom of the fireplace front
face. Use 8d nails (see Figure 7).
Figure 7
2. Measure the square footage of the floor
space to be occupied by the system and
surrounds.
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SPECIFICATIONS
Model No.
Dimensions - Inches (millimeters)
A
B
C
D
E
F
G
H
J
K
L
M
N
P
*Q
36
(914)
24
(610)
41-3/4
(1061)
37-1/4 23-1/2
(946) (597)
20
3
7-3/8 15-7/8 7-1/2 11-15/16 1-5/16 5-1/2 30-5/16 29-5/8
UVF-36
(508) (76) (187)
(403) (190) (303) (33) (140) (770) (753)
UVFRC-3628 &
UVFRC-3628-H (914)
36
28
(711)
41-3/4
(1061)
41-1/4 23-1/2
(1048) (597)
20
3
8-3/8 15-7/8 7-1/2 11-15/16 1-5/16 5-1/2 34-5/16 33-5/8
(508) (76) (213) (403) (190) (303) (33) (140) (872) (854)
UVFRC-4228 & 42
UVFRC-4228-H (1067) (711)
28
47-3/4
(1213)
41-1/4 29-1/2
20
3
8-3/8 15-7/8 7-1/2 11-15/16 1-5/16 5-1/2 34-5/16 33-5/8
(1048)
(749)
(508) (76) (213) (403) (190) (303) (33) (140) (872) (854)
Product Reference Information
*
A canopy comes standard and is required for model UVF-36. The fac-
tory-supplied canopy must be installed on the firebox for safe operation
for model UVF-36 in all installations. This part is optional for models
UVFRC-3628, UVFRC-3628-H, UVFRC-4228 & UVFRC-4228-H.
Cat. No.
Model
Ship. Weight (lbs)
Shipping Volume
20 Cu. Ft.
H1957
H1953
H1954
H1955
H1956
UVF-36
150 lbs
200 lbs
200 lbs
230 lbs
230 lbs
22 Cu. Ft.
UVFRC-3628
UVFRC-3628-H
UVFRC-4228
UVFRC-4228-H
22 Cu. Ft.
26 Cu. Ft.
26 Cu. Ft.
E
Junction Box
F
N
Top View
M
Top Stand-Off
Spacers (4
places)
1 (25)
7-1/16
Top of Firebox
Opening
(179)
G
3-9/16
(90)
* Canopy
Gas Line
Access -
Both Sides
B
D
Access Opening for Junction
Box - Right Side Only
(remove the knock-out
before installing J-Box).
J-Box / Electrical Kit is not
provided with appliance.
*Q
P
Bottom of
Firebox
Opening
Top of Bottom
Refractory
J
6-3/16
(157)
5-3/4
(146)
H
K
L
A
C
Right Side View
Front View
Figure 8
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FRAMING SPECIFICATIONS
Framing Dimensions
Corner Installation
Back Wall Of Chase/Enclosure
UVFRC-3628 &
UVFRC-3628-H
UVFRC-4228 &
UVFRC-4228-H
Opening
UVF-36
This Figure corre-
sponds to Table 1
Including Finishing Materials
If Any
A
B
C
D
E
42-1/4" (1073)
40-1/4" (1022)
23-9/16" (599)
11-1/4" (286)
63-1/2" (1613)
31-3/4" (807)
20-1/2"( 521)
42-1/4" (1073)
44-1/4" (1124)
23-9/16" (599)
11-1/4" (286)
63-1/2" (1613)
31-3/4" (807)
20-1/2"( 521)
48-1/4" (1226)
44-1/4" (1124)
29-9/16" (751)
14-1/4" (362)
69-1/2" (1765)
34-3/4" (883)
20-1/2"( 521)
49-1/8" (1248)
D
F
H
F
G
C
G
H
44-3/16" (1122) 44-3/16" (1122)
A
E
Table 1 - This Table corresponds to Figures 9, 10 & 11
Rough Framing Face
(Unfinished Shown)
Figure 10
Parallel Installation
Back Wall Of Chase/Enclosure
Rough Framing Face
(Unfinished Shown)
Including Finishing Materials If Any
C
Header
G
This Figure corre-
sponds to Table 1
B
A
This Figure corre-
sponds to Table 1
A
Figure 9
Figure 11
Canopy Kit Installation (see ordering information on Page 16)
Removing Screens & Rods:
Remove screws (see dotted
lines). Pull out rods from
locatingholesonsideoffirebox
opening.
NOTE: A canopy comes standard and is required for model UVF-36.
The factory-supplied canopy must be installed on the firebox for safe
operation for model UVF-36 in all installations (this part is optional
for other models). See Figure 13.
Reinstalling Screens & Rods:
Insert rods into corresponding
locatingholesonsidesoffirebox
opening, then reinstall screws
as shown.
These canopy kits are design to be fitted to the face of the appliance
directly above the firebox opening. In addition to providing an aestheti-
cally pleasing appearance to your appliance, the canopy reduces heat
effects to decorative mantels and finish materials located directly above
the fireplace and reduces the Mantel / Trim clearances (see Figures 4,
5 & 6 on Page 7).
Pleasereadthisentiremanualandunderstoodthoroughlybeforeproceeding
with the installation of these kits.
Step 1. Using a 5/16" nut driver or socket, remove the screen and rod
assemblies as shown in Figure 12.
Step 2. Align the canopy with the holes in the side frames as shown in
Figure 13. Install three screws as shown in Figure 13. Make
sure canopy is level and secure.
Figure 12
Step 3. Reinstall screen and rod assemblies (see Figure 12).
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* Junction Box
* Electrical Outlet
Top View
IMPORTANT
TheGroundLead mustbeconnected
to the green screw (located on the
junction box). Failure to do this
could result in an electrical short or
shock injury.
Canopy
Blower
Bend blower mounting
tabs up to secure
blower in place
Tie a loose knot in power
cord to take up slack
The appliance must be electrically
grounded in accordance with local
codes or, in the absence of local
codes,thenationalelectricalcode,
ANSI/NFPA 70-(latest edition). (In
Canada, the current CSA C22-1
Canadian Electrical Code).
* The Junction Box / Electrical Kit is not included.
See Page 15 for ordering information.
Figure 15
Side View
120V, 60HZ,
1PH BLOWER
CONTROL CIRCUIT
WIRING
Figure 13
OPTIONAL EQUIPMENT
CAUTION
Blower Kits
* Wall-mounted ON/
OFF Blower Switch
or Variable Speed
Control Switch.
Electrical connections should
only be performed by a qualified,
licensed electrician. Main power
must be off when connecting to
main electrical power supply or
performing service.
The FBK-100 Blower Kits are used when
a wall-mounted ON/OFF blower switch is
desired, and the FBK-200 Blower Kits are
used when a wall-mounted variable speed
blowercontrol(rheostat)isdesired. AJunction
Box/ElectricalKit isalsorequiredtoinstallthese
kits (purchased separately - see Page 15).
HOT SIDE OF
RECEPTACLE
Black
The blower is installed beneath the firebox.
Room air is drawn in through the side slots
of the fireplace, heated as it passes across the
firebox, anddischargedthroughtheupperarea
of the firebox opening.
Blower Motor
NEUTRAL
SIDE OF
RECEPTACLE
Grounded
The installation instructions for installing these
blowerkitsareonPages12through14. Alsosee
the installation instructions provided with the
blower kits (Form #750,028M). For electrical
requirements, refer to Figures 14, 15 & 16.
Tab
to Appliance
Junction
Box
Intact
Green
Ground
Plug blower
Screw
Motor Plug
into this
receptacle
Field Wired
Factory Wired
Blower
Receptacle
If the blower kit is to be installed at the time of
installation or at a later date, the main power
supply must be installed at the time of instal-
lation. This will require that the electrical
connectionsmustbemadeBEFOREthefirebox
is framed and enclosed in the finished walls.
Route a 3-wire, 120 VAC, 60 Hz, 1 ph power
supplyandconnecttoelectricalreceptaclewires
and wall switch or rheostat.
Ground
120V
*An ON/OFF Wall Switch is used with the FBK-100 kit
(field provided or sold separately - order P/N 85L87); A
Variable Speed Control (provided) is used with the FBK-
200 kit. The installation of these kits also require a
Junction Box / Electrical Kit, not included. See Page
15 for ordering information.
Appliance Junction Box
Note: If any of the original wire as supplied must be
replaced, it must be replaced with type AWM 105
degree C - 14 gage wire.
Note: If any of the original wire as supplied must be
replaced, it must be replaced with type AWM 105
degree C - 14 gage wire.
Figure 14
Figure 16
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Installation Instructions -
FBK-100 or FBK 200 Blower Kits and JBK Junction Box Kit
Cover Plate
J-Box &
Receptacle
IMPORTANT
All electrical wiring must be performed by licensed Elec-
tricians. Electrical wiring must comply with the National
Electrical Code ANSI/ NFPA 70 - latest edition
Remove knock-out
(strain relief bushing
presses into this hole
around romex wires
- see Step 8 on Page
14).
Step 1. Follow the instructions below for the model you are installing:
Model UVF-36:
Screw
Using a screwdriver remove the screw from the blower access panel
as shown in Figure 18. Slide the panel to the right until the flange
clears the opening. Remove the panel and set aside.
Strain Relief Bushing
Figure 19 - Junction Box Kit (all models)
Models UVFRC-3628, UVFRC-3628-H, UVFRC-4228 & UVFRC-4228-H:
Lift out the bottom refractory panel (see Figure 17).
J-Box & Electrical Outlet
Step 2. Remove the rectangular knock-out (for J-Box) on the right side
of unit (see Figure 8 for location). Install the Junction Box & Electrical
outlet below the firebox floor into the rectangular opening on the right
side cabinet panel where you removed the knock-out (see Figures 20 &
21). The Junction Box / Electrical Kit is sold separately (see Page 15 for
ordering information).
J-Box Flange
Firebox
floor
Note: Pass the wires through the hole, then squeeze the J-Box
flanges together to fit into opening.
Step 3. Loosely tie a knot in the power cord to take up slack (see Figure
Install into side wall rectanular opening
Figure 20 - Model UVFRC-4228 Shown
22).
Step 4. Locate the tabs shown in Figure 23. Position the blower assembly
so that the tabs (located on the cabinet base) are seated in the notches of
the blower bracket. Bend the tabs over to secure the blower assembly (see
Figure 24).
Right Outside Cabinet Panel
J-Box Flanges
Step 5. Plug power cord into the electrical outlet as illustrated in Figure 15.
Lift Out Bottom Refractory Panel
J-Box &
Electrical
Outlet
Wires
Models: UVFRC-3628,
UVFRC-3628-H, UVFRC-4228
& UVFRC-4228-H
Figure 17
Firebox
floor
Screw
Blower
Access
Panel
Remove screw, then lift out blower access panel.
Figure 18 - Model UVF-36
Figure 21
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Step 8. Ensure that power supply wires are NOT "live" before making
these connections). Install J-Box Cover Plate as follows:
Model UVFRC-4228 Shown
Feed the * Romex wires (or other equivalent plastic insulated wire
- Refer ANSI/NFPA 70 - National Electrical Code - Latest Edition)
through the J-Box Cover retangular opening, then connect to the
J-box wires. The strain relief bushing should be pressed into the
knock-out on J-box cover around the Romex (this will provide
protection to the wires and prevents strain against connections
from J-box). See Wiring Diagram - Figure 16. Install the cover
plate over J-Box opening on appliance as shown in Figure 25.
Firebox
floor
Note: Wire connections should be positioned inside of the ap-
pliance.
Loose knot in power
cord to take up slack
* Romex is a plastic insulated wire from power supply - sometimes called
non-metallic sheath.
Figure 22
Model UVFRC-4228
Right Side Panel of Firebox
J-Box opening
on appliance
Locating Tabs
Use screw provided and
secure in place as shown
The notched side of
cover plates goes inside
firebox panel
Figure 23 - UVFRC-4228 Shown
Screw
Cover Plate
Figure 25 - Installing J-box Cover Plate - All Models
Step 9. Follow the instructions below for the kit you are installing:
FBK-100Kits-Installafield-provided(orP/N85L87)ON/OFFwall
switch in a convenient location on a wall, near the fireplace.
Bend Locating Tabs Over
(into notches)
FBK-200Kits-Installthekit-providedvariablespeedcontrol(rheo-
stat) in a convenient location on a wall, near the fireplace.
Figure 24 - UVFRC-4228 Shown
Step 10. Follow the instructions below for the model you are installing:
Model UVF-36:
Step 6. Route a 3-wire, 120 VAC, 60 Hz, 1 ph power supply to the right
side of appliance.
Reinstall the blower access panel that was removed on Step 1 (see
Figure 18).
Step 7. Locate the J-Box cover (provided in J-Box Kit). Remove the round
knock-out (see Figure 19).
Models UVFRC-3628, UVFRC-3628-H, UVFRC-4228 & UVFRC-4228-H:
Reinstall the bottom refractory panel that was removed on Step 1
(see Figure 17).
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FIREBOX FINISHES
APPROVED ACCESSORIES AND
COMPONENTS
There are a wide variety of “finished looks” for your built-in Vent-Free firebox from formal wall
decor with elaborate mantels to rustic wood paneling or warm brick facings.
Only noncombustible materials like marble, stone, tile, brick, etc. may overlap the black front
facing. Seal all joints between the black facing and wall surrounds to prevent air intrusion. Use
noncombustible caulking material only to seal the black metal facing to the surround material on
the finished wall. See Figures 3 & 26.
Raised Hearth Extension
A hearth extension may be used but is not required for these appliances. A raised hearth extension
may be used as shown in Figure 26.
Decorative Arch Screen Panel Kit
This attractive screen door is easy to install and
enhances the appearance of the appliance.
Combustible Wall
Decorative Screen Door Panel Kit
Cat. No.
H1959
H1960
H1961
Model
Where Used
ASD3624-TI UVF-36
Non-Combustible Wall
(see Figure 4)
ASD3628-TI UVFRC-3628 & UVFRC-3628-H
ASD4228-TI UVFRC-4228 & UVFRC-4228-H
(ref. Form # 750,209M)
Fireplace Opening
Decorative Volcanic Stone
Cat. No.
80L42
Model No.
FDVS
Description
Bag of Volcanic Stone
(ref. Form #750,010M)
Decorative Volcanic Stone
The decorative volcanic stone, Model FDVS,
can be used to enhance the look of your ap-
pliance. Order model FDVS for replacement
of stone when needed. Spread the decorative
volcanic stone evenly around the bottom of
the firebox.
Raised Hearth Extension
(combustibles allowed.
No carpet or vinyl)
Firebox Floor
5-3/4" Max.*
* From Base to
Bottom of Firebox
Opening (floor)
Base
Combustible Platform
SIDE VIEW
Junction Box / Receptical Kit
Figure 26 - Raised Hearth Extension
Cat. No.
H1958
Model No.
JBK
Description
Junction Box / Electrical Kit
(ref. Form #750,203M)
15
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APPROVED ACCESSORIES AND
COMPONENTS
The variable speed control
rheostat is included with
FBK-200 models only
* Forced Air Blower Kits
Model No. Description
Cat.
No.
80L84
FBK-100
FBK-200
Blower, Standard
(single speed)
80L85
Blower, Variable Speed
(w/wall-mounted switch)
Charcoal Canopy
94L89
94L90
FBK-100-36
FBK-200-36
Blower, Standard, 36 Pack
Cat. #
Model
FC36
Models Where Used
Blower Kit - Variable Speed
with Wall Switch 36 Pack
UVFRC-3628, UVFRC-3628-H
(UVF-36 standard part)
H1989
AnON/OFFwallswitchcanbeused
with the FBK-100 models (field
supplied or order P/N 85L87 Wall
Switch Kit, shown below)
(ref. Form # 750,028M)
UVFRC-4228 & UVFRC-4228-H
H1990
FC42
(ref. Form #750,195M)
* TheinstallationofthesekitsalsorequireaJunctionBox/Electrical
Kit, not included. See ordering information below
Blower Kit
The FBK-100 blower provides for a constant velocity forced air circulation feature for your ap-
pliance. The FBK-200 assembly with variable speed wall switch provides a forced air circulation
feature for your appliance.
Touch-Up Paint Kit
ON/OFF Wall Switch Kit
Repair of minor scratches and
discoloration of the appliance
charcoalpaintedsurfacesmaybe
accomplished with the touch-up
paint kit.
The ON/OFF wall switch kit
may be used to control the
blower operation, if FBK-
100 blower kit is installed.
Install the ON/OFF wall
I
Outside Air Gate & Duct Kit
switch in a convenient
location near the fireplace.
Cat. No.
H3991
Model No.
OAK-UVFRC
Description
Outside Air Gate & Duct Kit
(ref. Form #750,206M)
Outside Air Gate & Duct Kit
Touch-Up Paint Kits
White Wall Switch Kit
These kits have an air gate assembly, 4" diam-
eter duct and a termination hood. The air gate
allows adjustment of the amount of outside air
delivered to the fire for combustion. Only one
kit, located on the right side of the fireplace,
is required.
Cat. No.
90L74
Model No.
TPK-C
Description
Cat. No.
85L87
Model No.
FWSK
Description
Touch-Up Paint (Charcoal)
ON/OFF Wall Switch Kit
(ref. Form # 504,216M)
(ref. Form #850,021M)
SERENE HEAT® VENT-FREE GAS LOG SETS - MANUAL / PIEZO IGNITION, STANDING PILOT
Cat. #
H2053
H2054
H2055
H2056
Model
Description
BTU/hr Input
25,000 - 36,000
27,000 - 36,000
26,000 - 39,000
31,000 - 39,000
Models Where Used
UVF-36, UVFRC-3628 & UVFRC-3628-H
UVF-36, UVFRC-3628 & UVFRC-3628-H
UVF-36, UVFRC-3628 & UVFRC-3628-H
UVF-36, UVFRC-3628 & UVFRC-3628-H
SHGL-18MN-R
SHGL-18MP-R
SHGL-24MN-R
SHGL-24MP-R
18” Vent-Free Gas Log Set, Natural
18” Vent-Free Gas Log Set, Propane
24” Vent-Free Gas Log Set, Natural
24” Vent-Free Gas Log Set, Propane
(ref. Form #903,623M)
VENT-FREE GAS LOG SETS - MANUAL / PIEZO IGNITION, STANDING PILOT
Cat. #
H2126
H2127
H2128
H2129
H2130
H2131
Model
Description
BTU/hr Input
Models Where Used
VFGL18-MSN-4
VFGL18-MSP-4
VFGL24-MSN-4
VFGL24-MSP-4
VFGL28-MSN-4
VFGL28-MSP-4
18” Vent-Free Gas Log Set, Natural
18” Vent-Free Gas Log Set, Propane
24” Vent-Free Gas Log Set, Natural
24” Vent-Free Gas Log Set, Propane
28” Vent-Free Gas Log Set, Natural
28” Vent-Free Gas Log Set, Propane
14,000 - 25,000
14,000 - 25,000
17,000 - 32,000
17,000 - 32,000
17,000 - 32,000
17,000 - 32,000
UVF-36, UVFRC-3628 & UVFRC-3628-H
UVF-36, UVFRC-3628, UVFRC-3628-H
UVF-36, UVFRC-3628 & UVFRC-3628-H
UVF-36, UVFRC-3628 & UVFRC-3628-H
UVFRC-4228 & UVFRC-4228-H
UVFRC-4228 & UVFRC-4228-H
16
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REPLACEMENT PARTS
An exploded view of the firebox with numbered parts and a replacement parts list can be found on the Page. Normally, all parts should be ordered
through your distributor or dealer. Parts will be shipped at prevailing prices at time of order.
When ordering repair parts, always give the following information:
1. The *model number of the firebox.
2. The *serial number of the firebox.
3. The part number.
4. The description of the part.
5. The quantity required.
6. The installation date of the firebox.
* Note: The model and serial number can be found on the rating label located on the bottom left front corner of the appliance.
If you encounter any problems or have any questions concerning the installation of a Vent-Free heater in this system, please contact your distributor
or dealer or visit our website at www.lennox.com..
2
3
4
1
5
6
UVF-36
UVFRC-3628
UVFRC-3628-H
UVFRC-4228
UVFRC-4228-H
No.
Description
Part No.
Qty.
Part No.
Qty.
Part No.
Qty.
Part No.
Qty.
Part No.
Qty.
Gas Fireplace Assembly
Firescreen
-
-
-
-
-
-
-
-
1.
2.
H3814
H3815
H3809
2
2
1
H3820
H3815
H3817
2
2
1
H3820
H3815
H3822
2
2
1
H3827
H3828
H3817
2
2
1
H3827
H3828
H3830
2
2
1
Rod, Screen
3a.
Refractory, Left
3b.
Refractory, Right
H3810
1
H3816
1
H3821
1
H3816
1
H3829
1
4.
5.
6.
Refractory, Rear
Refractory, Bottom
Canopy
H3811
-
1
-
H3819
H3818
H1989
1
1
1
H3823
H3818
H1989
1
1
1
H3824
H3825
H1990
1
1
1
H3831
H3825
H1990
1
1
1
H1989
1
NOTE: DIAGRAMS & ILLUSTRATION ARE NOT TO SCALE.
17
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NOTES
NOTE: DIAGRAMS & ILLUSTRATION ARE NOT TO SCALE.
18
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NOTES
NOTE: DIAGRAMS & ILLUSTRATION ARE NOT TO SCALE.
19
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The manufacturer reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products.
Consult your local distributor for fireplace code information.
Printed in U.S.A. © 2006 by LHP
LHP
1110 West Taft Avenue • Orange, CA 92865
P/N 700,032M REV. B 05/2006
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