®
UNVENTED (VENT-FREE) INFRARED GAS HEATER
SAFETY INFORMATION AND INSTALLATION MANUAL
Model VN30A Shown
VN18A, VN18TA, VP16A, VP16TA, VP26A, VP26TA
VN30A, VN30TA, VP16ITA, VP22ITA
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury, or loss of life.
— Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any other
appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any
phone in your building.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire
department.
— Installation and service must be performed by a quali-
fied installer, service agency, or the gas supplier.
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SAFETY INFORMATION
Due to high temperatures, the
applianceshouldbelocatedout
of traffic and away from furni-
ture and draperies.
WARNING:Thisproductcon-
tainsand/orgenerateschemicals
known to the State of California
to cause cancer or birth defects,
or other reproductive harm.
Do not place clothing or other
flammable material on or near
the appliance. Never place any
objects on the heater.
IMPORTANT:Readthisowner’s
manualcarefullyandcompletely
beforetryingtoassemble, oper-
ate, or service this heater. Im-
proper use of this heater can
cause serious injury or death
fromburns,fire,explosion,elec-
trical shock, and carbon mon-
oxide poisoning.
Surface of heater becomes very
hot when running heater. Keep
children and adults away from
hot surface to avoid burns or
clothing ignition. Heater will re-
main hot for a time after shut-
down. Allow surface to cool be-
fore touching.
DANGER:Carbonmonoxide
poisoning may lead to death!
Carefully supervise young chil-
dren when they are in the same
room with heater.
Carbon Monoxide Poisoning: Early signs of car-
bon monoxide poisoning resemble the flu, with head-
aches, dizziness, or nausea. If you have these signs,
the heater may not be working properly. Get fresh
air at once! Have heater serviced. Some people are
more affected by carbon monoxide than others. These
include pregnant women, people with heart or lung
disease or anemia, those under the influence of alco-
hol, and those at high altitudes.
Make sure grill guard is in place
before running heater.
Keep the appliance area clear
and free from combustible ma-
terials, gasoline and other flam-
mable vapors and liquids.
Natural and Propane/LP Gas: Natural and Propane/LP
gases are odorless.An odor-making agent is added to
these gases. The odor helps you detect a gas leak.
However, the odor added to the gas can fade. Gas
may be present even though no odor exists.
1. This appliance is only for use with the type of
gas indicated on the rating plate. This appli-
ance is not convertible for use with other
gases.
Make certain you read and understand all warn-
ings. Keep this manual for reference. It is your
guide to safe and proper operation of this heater.
2. Do not place propane/LP supply tank(s) in-
side any structure. Locate propane/LP supply
tank(s) outdoors.
WARNING: Any change to
thisheateroritscontrolscanbe
dangerous.
3. This heater shall not be installed in a bedroom
or bathroom.
4. If you smell gas
• Shut off gas supply
WARNING: Do not use any
accessory not approved for use
with this heater.
• Do not try to light any appliance
• Do not touch any electrical switch; do not
use any phone in your building
• Immediately call your gas supplier from a
neighbor’s phone. Follow the gas supplier’s
instructions
• If you cannot reach your gas supplier, call
the fire department
113052-01A
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SAFETY INFORMATION
PRODUCT
IDENTIFICATION
Continued
5. Always run heater with plaque control knob
at the 1, 2, 3, or 4 locked positions. Never set
control knob between locked positions. Poor
combustion and higher levels of carbon mon-
oxide may result.
Control
Knob
Ignitor Button
6. This heater needs fresh, outside air ventila-
tion to run properly. This heater has an Oxy-
gen Depletion Sensing (ODS) safety shutoff
system. The ODS shuts down the heater if not
enough fresh air is available. See Air for Com-
bustion and Ventilation, pages 5 through 7.
Grill
Guard
Plaque
7. If heater shuts off, do not relight until you pro-
vide fresh, outside air. If heater keeps shut-
ting off, have it serviced.
Front Panel
Heater Cabinet
8. Do not run heater
• where flammable liquids or vapors are used
or stored
Figure 1 - Vent-Free Gas Heater
UNPACKING
• under dusty conditions
9. Do not use heater if any part has been under
water. Immediately call a qualified service
technician to inspect the room heater and to
replace any part of the control system and any
gas control which has been under water.
1. Remove heater from carton.
2. Remove all protective packaging applied to
heater for shipment.
3. Check heater for any shipping damage. If
heater is damaged, promptly return to where
you bought heater.
10. Turn off and unplug heater and let cool be-
fore servicing. Only a qualified service per-
son should service and repair heater.
PRODUCT FEATURES
11. Operating heater above elevations of 4,500
feet could cause pilot outage.
SAFETY DEVICE
This heater has a pilot with an Oxygen Depletion
Sensing (ODS) safety shutoff system. The ODS/
pilot is a required feature for vent-free room heat-
ers. The ODS/pilot shuts off the heater if there is
not enough fresh air.
12. To prevent performance problems, do not use
propane/LP fuel tank of less than 100 lbs. ca-
pacity.
13. Before using furniture polish, wax, carpet
cleaner, or similar products, turn heater off. If
heated, the vapors from these products may
create a white powder residue within burner
box or on adjacent walls or furniture.
IGNITION SYSTEM
This heater has an electronic ignitor to light heater
fuel supply.
14. Provide adequate clearances around air open-
ings.
THERMOSTATIC HEAT CONTROL
(Thermostat Models Only)
LOCAL CODES
Thermostat models have a thermostat sensing bulb
and a control valve. This results in the greatest heater
comfort. This can also result in lower gas bills.
Install and use heater 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*.
*Available from:
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
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113052-01A
Unusually tight construction is defined as
construction where:
AIR FOR COMBUSTION
AND VENTILATION
a. walls and ceilings exposed to the out-
side atmosphere have a continuous
water vapor retarder with a rating of
one perm (6 x 10-11 kg per pa-sec-m2)
or less with openings gasketed or
sealed and
WARNING: This heater shall
notbeinstalledinaconfinedspace
or unusually tight construction
unless provisions are provided
foradequatecombustionandven-
tilation air. Read the following in-
structions to insure proper fresh
air for this and other fuel-burning
appliances in your home.
b. weather stripping has been added on
openable windows and doors and
c. caulking or sealants are applied to ar-
eas such as joints around window and
door frames, between sole plates and
floors, between wall-ceiling joints, be-
tween wall panels, at penetrations for
plumbing, electrical, and gas lines, and
at other openings.
Today’s homes are built more energy efficient than
ever. New materials, increased insulation, and new
construction methods help reduce heat loss in
homes. Home owners weather strip and caulk
around windows and doors to keep the cold air out
and the warm air in. During heating months, home
owners want their homes as airtight as possible.
If your home meets all of these three crite-
ria, you must provide additional fresh air.
See Ventilation Air From Outdoors, page 7.
If your home does not meet all of the three
criteria above, proceed to Determining
Fresh-Air Flow For Heater Location.
While it is good to make your home energy effi-
cient, your home needs to breathe. Fresh air must
enter your home.All fuel-burning appliances need
fresh air for proper combustion and ventilation.
Confined and Unconfined Space
The National Fuel Gas Code, ANSI Z223.1/NFPA
54 defines a confined space as a space whose vol-
ume is less than 50 cubic feet per 1,000 Btu per
hour (4.8 m3 per kw) of the aggregate input rating
of all appliances installed in that space and an un-
confined space as a space whose volume is not
less than 50 cubic feet per 1,000 Btu per hour (4.8
m3 per kw) of the aggregate input rating of all ap-
pliances installed in that space. Rooms communi-
cating directly with the space in which the appli-
ances are installed*, through openings not fur-
nished with doors, are considered a part of the un-
confined space.
Exhaust fans, fireplaces, clothes dryers, and fuel
burning appliances draw air from the house to
operate. You must provide adequate fresh air for
these appliances. This will insure proper venting
of vented fuel-burning appliances.
PROVIDING ADEQUATE
VENTILATION
The following are excerpts from National Fuel
Gas Code, ANSI Z223.1/NFPA 54, Section 5.3, Air
for Combustion and Ventilation.
All spaces in homes fall into one of the three fol-
lowing ventilation classifications:
*Adjoining rooms are communicating only if there
are doorless passageways or ventilation grills be-
tween them.
1. Unusually Tight Construction
2. Unconfined Space
3. Confined Space
DETERMINING FRESH-AIR FLOW
FOR HEATER LOCATION
The information on pages 5 through 7 will help
you classify your space and provide adequate ven-
tilation.
Determining if You Have a Confined or
Unconfined Space
Use this work sheet to determine if you have a
confined or unconfined space.
Space: Includes the room in which you will install
heater plus any adjoining rooms with doorless pas-
sageways or ventilation grills between the rooms.
Unusually Tight Construction
The air that leaks around doors and windows may
provide enough fresh air for combustion and ven-
tilation. However, in buildings of unusually tight
construction, you must provide additional fresh air.
113052-01A
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C. Install a lower Btu/Hr heater, if lower Btu/Hr size
makes room unconfined.
AIR FOR COMBUSTION
AND VENTILATION
If the actual Btu/Hr used is less than the maximum
Btu/Hr the space can support, the space is an uncon-
fined space. You will need no additional fresh air ven-
tilation.
Continued
1. Determine the volume of the space (length x
width x height).
Length x Width x Height =__________cu. ft.
(volume of space)
WARNING: If the area in
which the heater may be oper-
ated is smaller than that defined
as an unconfined space or if the
building is of unusually tight
construction, provide adequate
combustion and ventilation air
byoneofthemethodsdescribed
in the National Fuel Gas Code,
ANSI Z223.1/NFPA 54 Section
5.3 or applicable local codes.
Example: Space size 20 ft. (length) x 16 ft.
(width) x 8 ft. (ceiling height) = 2560 cu. ft. (vol-
ume of space)
If additional ventilation to adjoining room is sup-
plied with grills or openings, add the volume of
these rooms to the total volume of the space.
2. Multiply the space volume by 20 to determine
the maximum Btu/Hr the space can support.
__________ (volume of space) x 20 = (Maxi-
mum Btu/Hr the space can support)
Example: 2560 cu. ft. (volume of space) x 20 =
51,200 (maximum Btu/Hr the space can support)
3. Add the Btu/Hr of all fuel burning appliances in
the space.
VENTILATION AIR
Vent-free heater
Gas water heater*
Gas furnace
__________ Btu/Hr
__________ Btu/Hr
__________ Btu/Hr
__________ Btu/Hr
__________ Btu/Hr
Ventilation Air From Inside Building
This fresh air would come from an adjoining un-
confined space. When ventilating to an adjoining
unconfined space, you must provide two perma-
nent openings: one within 12" of the ceiling and
one within 12" of the floor on the wall connecting
the two spaces (see options 1 and 2, Figure 2).
You can also remove door into adjoining room (see
option 3, Figure 2). Follow the National Fuel Gas
Code, ANSI Z223.1/NFPA 54, Section 5.3, Air for
Combustion and Ventilation for required size of
ventilation grills or ducts.
Vented gas heater
Gas fireplace logs
Other gas appliances* + __________ Btu/Hr
Total = __________ Btu/Hr
* Do not include direct-vent gas appliances. Di-
rect-vent draws combustion air from the outdoors
and vents to the outdoors.
Example:
40,000
Gas water heater ______________ Btu/Hr
+
20,000
Vent-free heater
Total
______________ Btu/Hr
=
60,000
______________ Btu/Hr
12"
4. Compare the maximum Btu/Hr the space can
support with the actual amount of Btu/Hr used.
________ Btu/Hr (maximum the space can support)
________ Btu/Hr (actual amount of Btu/Hr used)
Ventilation Grills
Into Adjoining Room,
Ventilation
Grills
into Adjoining
Room,
Option 2
Or
Example: 51,200 Btu/Hr (maximum the space
Remove
Door into
Adjoining
Room,
can support)
Option 1
60,000 Btu/Hr (actual amount of
Btu/Hr used)
Option 3
The space in the above example is a confined space
because the actual Btu/Hr used is more than the maxi-
mum Btu/Hr the space can support. You must pro-
vide additional fresh air. Your options are as follows:
12"
A. Rework worksheet, adding the space of an adjoin-
ing room. If the extra space provides an uncon-
fined space, remove door to adjoining room or add
ventilation grills between rooms. See Ventilation
Air From Inside Building.
Figure 2 - Ventilation Air from Inside
Building
B. Vent room directly to the outdoors. See Ventila-
tion Air From Outdoors, page 7.
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113052-01A
CHECK GAS TYPE
AIR FOR COMBUSTION
Use only the correct type of gas (natural or pro-
pane/LP). If your gas supply is not the correct gas
type, do not install heater. Call dealer where you
bought heater for proper type heater.
AND VENTILATION
Continued
Ventilation Air From Outdoors
Provide extra fresh air by using ventilation grills
or ducts. You must provide two permanent open-
ings: one within 12" of the ceiling and one within
12" of the floor. Connect these items directly to
the outdoors or spaces open to the outdoors. These
spaces include attics and crawl spaces. Follow the
National Fuel Gas Code, ANSI Z223.1/NFPA 54,
Section 5.3, Air for Combustion and Ventilation
for required size of ventilation grills or ducts.
INSTALLATION ITEMS
Before installing heater, make sure you have the
items listed below.
•
for propane/LP gas, external regulator (supplied
by installer)
•
•
•
•
•
•
•
•
piping (check local codes)
sealant (resistant to propane/LP gas)
equipment shutoff valve *
ground joint union
IMPORTANT: Do not provide openings for inlet
or outlet air into attic if attic has a thermostat-con-
trolled power vent. Heated air entering the attic
will activate the power vent.
sediment trap
tee joint
pipe wrench
Ventilated
for natural gas, test gauge connection*
Outlet
Attic
Air
* ACSAdesign-certified equipment shutoff valve
with 1/8" NPT tap is an acceptable alternative to
test gauge connection. The optional CSA design-
certified equipment shutoff valve can be purchased
from your dealer. See Accessories, page 33.
Outlet
Air
To Attic
To
Crawl
Space
LOCATING HEATER
Inlet
Air
Ventilated
Inlet Air
WARNING: Maintain the mini-
mum clearances shown in Figure 4.
Ifyoucan,providegreaterclearances
from floor, ceiling, and joining wall.
Crawl Space
Figure 3 - Ventilation Air from Outdoors
INSTALLATION
NOTICE:Thisheaterisintended
for use as supplemental heat.
Use this heater along with your
primary heating system. Do not
install this heater as your pri-
mary heat source. If you have a
centralheatingsystem,youmay
run system’s circulating blower
whileusingheater.Thiswillhelp
circulatetheheatthroughoutthe
house. In the event of a power
outage, you can use this heater
as your primary heat source.
You can locate heater on the floor, away from a
wall.Awall mounting bracket and floor base stand
are included with this heater. Determine which
method is best for your application.
CEILING
36"
Minimum
10"
Minimum
From
Sides Of
Heater
Left
Side
Right
Side
WARNING: A qualified ser-
vice person must install heater.
Follow all local codes.
2" Minimum To
Top Surface
Of Carpeting,
Tile Or Other
Combustible
Material
FLOOR
Figure 4 - Mounting Clearances As
Viewed From Front of Heater
113052-01A
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An optional fan kit is available from your dealer.
See Accessories, page 33. If planning to use fan,
locate heater near an electrical outlet.
INSTALLATION
Continued
WARNING: Never install the
THERMOSTAT SENSING BULB
heater
(Thermostat Models Only)
The thermostat sensing bulb has been placed be-
low the heater.
• in a bedroom or bathroom
• in a recreational vehicle
• where curtains, furniture,
clothing, or other flammable
objectsarelessthan36inches
from the front, top, or sides of
the heater
1. Place clamp on thermostat sensing bulb as
shown in Figure 5. Clamp is provided in hard-
ware package.
2. Snap clamp into upper mounting hole as shown
in Figure 5. Mounting hole is located on lower
left edge on back of heater. Make sure the ther-
mostat sensing bulb is pointing up.
• as a fireplace insert
• in high traffic areas
• in windy or drafty areas
Thermostat
Sensing
Bulb
CAUTION: If you install the
heater in a home garage
• heater pilot and burner must
be at least 18 inches above
floor
• locate heater where moving
vehicle will not hit it
Clamp
Figure 5 - Attaching Thermostat Sensing
Bulb
INSTALLING HEATER TO WALL
Mounting Bracket
Locate mounting bracket in heater carton. Remove
mounting bracket from heater carton.
CAUTION: This heater cre-
ates warm air currents. These
currents move heat to wall sur-
faces next to heater. Installing
heater next to vinyl or cloth wall
coverings or operating heater
where impurities (such as, but
not limited to, tobacco smoke,
aromatic candles, cleaning flu-
ids, oil or kerosene lamps, etc.)
in the air exist, may discolor
walls or cause odors.
Figure 6 - Mounting Bracket
Removing Front Panel Of Heater
1. Remove the four painted screws, two on each
side of front panel.
2. Pull bottom of front panel forward, then out.
3. Remove any remaining packaging materials.
Front Panel
Screw
IMPORTANT: Vent-free heaters add moisture to
the air. Although this is beneficial, installing
heater in rooms without enough ventilation air
may cause mildew to form from too much mois-
ture. See Air for Combustion and Ventilation,
pages 5 through 7. If high humidity is experi-
enced, a dehumidifier may be used to help lower
the water vapor content in the air.
For convenience and efficiency, install heater
•
where there is easy access for operation, inspec-
tion, and service
Figure 7 - Removing Front Panel Of
Heater
•
in coldest part of room
8
113052-01A
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16"
Min.
14"
INSTALLATION
Continued
Methods For Attaching Mounting
Bracket To Wall
Only use last hole on each end of mounting bracket
to attach bracket to wall. These two holes are 14
inches apart from their centers. Attach mounting
bracket to wall in one of two ways:
25 3/4
Optional
"
Only Insert Mounting
Screws Through Last
Hole On Each End
19 3/4
Min.
"
AjdoingWal
1. Attaching to wall stud
2. Attaching to wall anchor
Floor
Attaching toWall Stud: This method provides the
strongest hold. Insert mounting screws through
mounting bracket and into wall studs.
4 and 5 Plaque Heaters
12"
Min.
14"
Attaching toWall Anchor:This method allows you
to attach mounting bracket to hollow walls (wall
areas between studs) or to solid walls (concrete or
masonry).
25 3/4
Optional
19 3/4
Min.
"
Only Insert Mounting
Screws Through Last
Hole On Each End
Decide which method better suits your needs. Ei-
ther method will provide a secure hold for the
mounting bracket.
"
AjdoingWal
Marking Screw Locations
1. Tape mounting bracket to wall where heater
will be located. Make sure mounting bracket
is level.
Floor
3 Plaque Heater
WARNING: Maintain mini-
mum clearances shown in Fig-
ure8. Ifyoucan, providegreater
clearances from floor and join-
ing wall.
Figure 8 - Mounting Bracket Clearances
Attaching Mounting Bracket To Wall
Note: Wall anchors, mounting screws, and spac-
ers are in hardware package. The hardware pack-
age is provided with heater.
Attaching To Wall Stud Method
2. Mark screw locations on wall (see Figure 8).
For attaching mounting bracket to wall studs
Note: Only mark last hole on each end of
mounting bracket. Insert mounting screws
through these holes only.
1. Drill holes at marked locations using 9/64"
drill bit.
2. Place mounting bracket onto wall. Line up last
hole on each end of bracket with holes drilled
in wall.
3. Remove tape and mounting bracket from wall.
3. Insert mounting screws through bracket and
into wall studs.
4. Tighten screws until mounting bracket is
firmly fastened to wall studs.
Attaching To Wall Anchor Method
For attaching mounting bracket to hollow walls
(wall areas between studs) or solid walls (concrete
or masonry)
1. Drill holes at marked locations using 5/16"
drill bit. For solid walls (concrete or masonry),
drill at least 1" deep.
113052-01A
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Installing Bottom Mounting Screws
1. Locate two bottom mounting holes. These
holes are near bottom on back panel of heater
(see Figure 12).
INSTALLATION
Continued
2. Fold wall anchor as shown in Figure 9.
3. Insert wall anchor (wings first) into hole. Tap
anchor flush to wall.
2. Mark screw locations on wall.
3. Remove heater from mounting bracket.
4. For thin walls (1/2" or less), insert red key
into wall anchor. Push red key to “pop” open
anchor wings.
4. If installing bottom mounting screws into hol-
low or solid wall, install wall anchors. Fol-
low steps 1 through 4 under Attaching To Wall
Anchor Method, pages 9 and 10.
IMPORTANT: Do not hammer key!
For thick walls (over 1/2" thick) or solid walls,
do not pop open wings.
If installing bottom mounting screw into wall
stud, drill holes at marked locations using 9/64"
drill bit.
5. Place mounting bracket onto wall. Line up last
hole on each end of bracket with wall anchors.
5. Replace heater onto mounting bracket.
6. Insert mounting screws through bracket and
into wall anchors.
6. Place spacers between bottom mounting holes
and wall anchor or drilled hole.
7. Tighten screws until mounting bracket is
firmly fastened to wall.
7. Hold spacer in place with one hand. With other
hand, insert mounting screw through bottom
mounting hole and spacer. Place tip of screw
in opening of wall anchor or drilled hole.
8. Tighten both screws until heater is firmly se-
cured to wall. Do not over tighten.
Note: Do not replace front panel at this time.
Replace front panel after making gas connections
and checking for leaks (see pages 12 and 13).
Figure 9 - Folding Anchor
Figure 10 - Popping Open Anchor Wings
For Thin Walls
Front View
Placing Heater On Mounting Bracket
1. Locate two horizontal slots on back panel of
heater.
Wall
Heater
2. Place heater onto mounting bracket. Slide
horizontal slots onto stand-out tabs on mount-
ing bracket.
Horizontal Slots
Spacer
Mounting
Bracket
Side View
(attached
to wall)
Figure 12 - Installing Bottom Mounting
Screws
Stand-Out Tab
Figure 11 - Mounting Heater Onto
Mounting Bracket
10
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113052-01A
CONNECTING TO GAS SUPPLY
INSTALLATION
Continued
MOUNTING HEATER TO FLOOR
WARNING: This appliance
requires a 3/8" NPT (National
PipeThread)inletconnectionto
the pressure regulator.
Mounting Base Feet to Heater
1. Lay heater cabinet on its back on a table with
the heater bottom overhanging the table edge.
2. Align holes in base foot with mounting holes
on bottom of cabinet (see Figure 13).
WARNING:Aqualifiedservice
person must connect heater to
gassupply.Followalllocalcodes.
3. Secure base foot to heater using sheet metal
screws.
4. Repeat for other side.
Mounting Base Feet to Floor (Where
required by local code)
1. Remove front cover (see Removing Front
Panel of Heater, page 8).
WARNING: For natural gas,
never connect heater to private
(non-utility) gas wells. This gas is
commonlyknownaswellheadgas.
2. Position heater with base feet in desired loca-
tion. Mark holes for drilling. Remove heater
with base.
IMPORTANT: For natural gas, check gas line
pressure before connecting heater to gas line. Gas
line pressure must be no greater than 14 inches of
water. If gas line pressure is higher, heater regula-
tor damage could occur.
3. For carpeted floors, make a small cut with a
sharp knife at marked locations prior to drill-
ing. If mounting base to a wood floor, drill 1/8
inch diameter hole, 3/4 inch deep. (Do not use
anchors in wood floors).
CAUTION: For propane/LP
gas,neverconnectheaterdirectly
to the propane/LP supply. This
heater requires an external regu-
lator(notsupplied). Installtheex-
ternal regulator between the
heater and propane/LP supply.
If mounting base to a concrete floor, drill with
1/4 inch diameter concrete drill bit, 13/8 inches
into floor. Insert anchors completely into holes.
4. Reposition heater with base feet over holes.
Secure base to floor with wood screws. See
Figure 13.
Wood
Screw
For propane/LP gas, the installer must supply an
external regulator. The external regulator will re-
duce incoming gas pressure. You must reduce in-
coming gas pressure to between 11 and 14 inches
of water. If you do not reduce incoming gas pres-
sure, heater regulator damage could occur. Install
the external regulator with the vent pointing down
as shown in Figure 14. Pointing the vent down
protects it from freezing rain or sleet.
Base Foot
Sheet Metal Screw
Propane/LP
External
Regulator
Supply Tank
Figure 13 - Installing Base Feet
Vent
Pointing
Down
Figure 14 - External Regulator With Vent
Pointing Down
113052-01A
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Pressure
Regulator
INSTALLATION
Continued
3/8" NPT
Pipe
Nipple
Regulator
Bracket
CAUTION: Use only new,
black iron or steel pipe. Inter-
nally-tinned copper tubing may
be used in certain areas. Check
your local codes. Use pipe of
large enough diameter to allow
proper gas volume to heater. If
pipe is too small, undue loss of
volume will occur.
Ground
Joint
Union
Heater
Cabinet
Tee Joint
Equipment
Shutoff
Valve *
Reducer
Bushing to
1/8" NPT
Natural Gas
From Gas
Meter (7" W.C.
to 10.5" W.C.
Pressure)
Propane/LP
From External
Regulator
(11" W.C. to 14"
W.C. Pressure)
1/8" NPT
Plug Tap
3"
Min.
Typical Inlet Pipe Diameters
Tee Pipe Cap
Joint Nipple
VN18A, VN18TA, VP16A, VP16TA, and
VP16ITA - 3/8" or greater
Sediment Trap
VN30A, VN30TA, VP26A, VP26TA, and
VP22ITA - 1/2" or greater
Installation must include equipment shutoff valve,
union, and plugged 1/8" NPT tap. Locate NPT tap * ACSAdesign-certified equipment shutoff valve
within reach for test gauge hook up. NPT tap must with 1/8" NPT tap is an acceptable alternative to
be upstream from heater (see Figure 15).
test gauge connection. Purchase the optional CSA
design-certified equipment shutoff valve from your
dealer. See Accessories, page 33.
IMPORTANT: Install an equipment shutoff valve
in an accessible location. The equipment shutoff
valve is for turning on or shutting off the gas to
the appliance.
Figure 15 - Gas Connection
Apply pipe joint sealant lightly to male NPT
threads. This will prevent excess sealant from go-
ing into pipe. Excess sealant in pipe could result
in clogged heater valves.
CHECKING GAS CONNECTIONS
WARNING: Test all gas pip-
ing and connections, internal
and external to unit, for leaks
afterinstallingorservicing.Cor-
rect all leaks at once.
WARNING: Use pipe joint
sealant that is resistant to liquid
petroleum (LP) gas.
Install sediment trap in supply line as shown in
Figure 15. Locate sediment trap where it is within
reach for cleaning. Locate sediment trap where
trapped matter is not likely to freeze. A sediment
trap traps moisture and contaminants. This keeps
them from going into heater controls. If sediment
trap is not installed or is installed wrong, heater
may not run properly.
WARNING: Never use an
open flame to check for a leak.
Apply a noncorrosive leak de-
tectionfluidtoalljoints.Bubbles
forming show a leak. Correct all
leaks at once.
IMPORTANT: Hold the pressure regulator with
wrench when connecting it to gas piping and/or
fittings. Do not over tighten pipe connection to
regulator. The regulator body could be damaged.
CAUTION: For propane/LP
gas, make sure external regula-
tor has been installed between
propane/LP supply and heater.
See guidelines under Connect-
ing to Gas Supply, page 11.
12
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113052-01A
4. Check all joints from equipment shutoff valve
to thermostat gas valve (see Figure 17 or 18).
Apply a noncorrosive leak detection fluid to
all joints. Bubbles forming show a leak.
INSTALLATION
Continued
Pressure Testing Gas Supply Piping
System
Test Pressures In Excess Of 1/2 PSIG (3.5 kPa)
5. Correct all leaks at once.
6. Light heater (see Operating Heater, pages 14
through 17). Check all other internal joints for
leaks.
1. Disconnect appliance with its appliance main
gas valve (control valve) and equipment
shutoff valve from gas supply piping system.
Pressures in excess of 1/2 psig will damage
heater regulator.
7. Turn off heater (see To Turn Off Gas to Appli-
ance, page 15 or 17 depending on your model).
8. Replace front panel.
2. Cap off open end of gas pipe where equip-
ment shutoff valve was connected.
Open
Equipment
3. Pressurize supply piping system by either
opening propane/LP supply tank valve for
propane/LP gas or opening main gas valve lo-
cated on or near gas meter for natural gas, or
using compressed air.
Shutoff Valve
O
Closed
4. Check all joints of gas supply piping system.
Apply a noncorrosive leak detection fluid to
all joints. Bubbles forming show a leak.
Figure 16 - Equipment Shutoff Valve
Thermostat Gas Valve
5. Correct all leaks at once.
6. Reconnect heater and equipment shutoff valve
to gas supply. Check reconnected fittings for
leaks.
Gas
Meter
Test Pressures Equal To or Less Than 1/2
PSIG (3.5 kPa)
1. Close equipment shutoff valve (see Figure 16).
2. Pressurize supply piping system by either
opening propane/LP supply tank valve for
propane/LP gas or opening main gas valve lo-
cated on or near gas meter for natural gas, or
using compressed air.
Equipment
Shutoff
Valve
Figure 17 - Checking Gas Joints for
Natural Gas
3. Check all joints from gas meter for natural
gas (see Figure 17) or propane/LP supply tank
for propane/LP gas, to equipment shutoff
valve (see Figure 18). Apply a noncorrosive
leak detection fluid to all joints. Bubbles form-
ing show a leak.
Thermostat Gas Valve
Propane/LP
Supply Tank
4. Correct all leaks at once.
Pressure Testing Heater Gas Connections
1. Open equipment shutoff valve (see Figure 16).
Equipment
Shutoff
Valve
2. For natural gas open main gas valve located
on or near gas meter. For propane/LP gas open
propane/LP supply tank valve.
Figure 18 - Checking Gas Joints for
Propane/LP Gas
3. Make sure control knob of heater is in the OFF
position.
113052-01A
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5. Turn control knob to PILOT/IGN and press in.
OPERATING HEATER
Note: You may be running this heater for
the first time after hooking up to gas sup-
ply. If so, you may need to press in control
knob for 30 seconds or more. This will al-
low air to bleed from the gas system.
NON-THERMOSTAT MODELS
FOR YOUR SAFETY READ
BEFORE LIGHTING
• If control knob does not pop up when re-
leased, contact a qualified service person
or gas supplier for repairs.
WARNING: If you do not fol-
low these instructions exactly,
a fire or explosion may result
causing property damage, per-
sonal injury or loss of life.
6. With control knob pressed in, push down
and release ignitor button. This will light
pilot. The pilot is attached to the front of
burner. If needed, keep pressing ignitor but-
ton until pilot lights.
A. This appliance has a pilot which must be
lighted by hand. When lighting the pilot,
follow these instructions exactly.
If pilot does not light
• turn control knob clockwise
OFF position
to the
B. BEFORE LIGHTING smell all around the
appliance area for gas. Be sure to smell next
to the floor because some gas is heavier than
air and will settle on the floor.
• repeat steps 5 and 6
If pilot does not stay lit after several tries
• refer to Troubleshooting, pages 20
through 22
• contact a qualified service person or gas
supplier for repairs
Until repairs are made, light pilot with
match. To light pilot with match, see
Manual Lighting Procedure, page 15.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not
use any phone in your building.
• Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
7. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob. Note: If pilot goes out,
repeat steps 3 through 7.
• If you cannot reach your gas supplier, call
the fire department.
C. Use only your hand to push in or turn the
gas control knob. Never use tools. If the
knob will not push in or turn by hand, don’t
try to repair it, call a qualified service tech-
nician or gas supplier. Force or attempted
repair may result in a fire or explosion.
Control Knob
Ignitor Button
OFF
D. Do not use this appliance if any part has
been under water. Immediately call a quali-
fied service technician to inspect the appli-
ance and to replace any part of the control
system and any gas control which has been
under water.
Figure 19 - Control Knob In The OFF
Position for Non-Thermostat Models
Thermocouple
Ignitor Electrode
LIGHTING
INSTRUCTIONS
Pilot
Burner
1. STOP! Read the safety information above.
2. Make sure equipment shutoff valve is fully
open.
3. Turn control knob clockwise
OFF position.
to the
4. Wait five minutes to clear out any gas. Then
smell for gas, including near the floor. If
you smell gas, STOP! Follow “B” in the
safety information above. If you don’t smell
gas, go to the next step.
Figure 20 - Pilot
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113052-01A
MANUAL LIGHTING
PROCEDURE
1. Remove front panel (see Figure 7, page 8).
OPERATING HEATER
Continued
TO SELECT
HEATING LEVEL
2. Follow steps 1 through 5 under Lighting In-
structions, page 14.
3. With control knob pressed in, strike match.
Hold match to pilot until pilot lights.
WARNING: When running
heater, setcontrolknobatLOW,
MEDIUM, or HIGH locked posi-
tions. Never set control knob
between locked positions. Poor
combustion and higher levels
of carbon monoxide may result.
4. Keep control knob pressed in for 30 sec-
onds after lighting pilot. After 30 seconds,
release control knob. Now follow step 8,
under Lighting Instructions, page 14.
5. Replace front panel.
THERMOSTAT MODELS
FOR YOUR SAFETY READ
BEFORE LIGHTING
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
WARNING: If you do not fol-
low these instructions exactly,
a fire or explosion may result
causing property damage, per-
sonal injury or loss of life.
Slightly press in control knob and turn coun-
terclockwise
to the LOW, MED, or HI
positions (see Figure 21).
IMPORTANT: Release downward pressure
while turning control knob. Control knob will
lock at the desired position.
A. This appliance has a pilot which must be
lighted by hand. When lighting the pilot,
follow these instructions exactly.
Control
Knob
VN18A
VP16A
VN30A
VP26A
B. BEFORE LIGHTING smell all around the
appliance area for gas. Be sure to smell next
to the floor because some gas is heavier than
air and will settle on the floor.
H
I
MED
LOW
T
O F F
PILO
LOW
WHAT TO DO IF YOU SMELL GAS
H
I
MED
• Do not try to light any appliance.
• Do not touch any electric switch; do not
use any phone in your building.
• Immediately call your gas supplier from
a neighbor’s phone. Follow the gas
supplier’s instructions.
F F
O
LOW
MED
HI
O
F
F
O
HI
T
L
I
P
D
E
M
L O
P
• If you cannot reach your gas supplier, call
the fire department.
W
ILO
T
M E D
OFF
I
H
C. Use only your hand to push in or turn the
gas control knob. Never use tools. If the
knob will not push in or turn by hand, don’t
try to repair it, call a qualified service tech-
nician or gas supplier. Force or attempted
repair may result in a fire or explosion.
OFF
Figure 21 - Burner Patterns for Non-
Thermostat Models
TO TURN OFF GAS
TO APPLIANCE
D. Do not use this appliance if any part has been
under water. Immediately call a qualified ser-
vice technician to inspect the appliance and
to replace any part of the control system and
any gas control which has been under water.
Shutting Off Heater
1. Turn control knob clockwise
OFF position.
to the
2. Turn off all electric power to the appliance
if service is to be performed.
Shutting Off Burner Only (pilot stays lit)
Turn control knob clockwise
PILOT position.
to the
113052-01A
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8. Turn thermostat control knob counter-
OPERATING HEATER
Continued
LIGHTING
INSTRUCTIONS
1. STOP! Read the safety information, page
15, column 2.
C-clockwise
clockwise
to the desired heating
level. For models, VP16TA, VN18TA,
VP26TA, and VN30TA, the main burner
should light. Set control knob to any heat
level between 1 and 5 (see Figure 25). For
infrastat models, the plaque directly above
the pilot should light.
2. Make sure equipment shutoff valve is fully
open.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
3. Turn thermostat control knob clockwise
Clockwise
to the OFF position (see Figure 22
or 23 for your model).
4. Wait five minutes to clear out any gas. Then
smell for gas, including near the floor. If
you smell gas, STOP! Follow “B” in the
safety information, page 15, column 2. If
you don’t smell gas, go to the next step.
Ignitor Button
Control Knob
T
O
L
I
P
F
F
O
5. Turn thermostat control knob counter-
C-clockwise
clockwise
to the PILOT position.
Press in thermostat control knob for 5 sec-
onds (see Figure 22 or 23 for your model).
Figure 22 - Control Knob In The OFF
Position, Models VP16TA, VN18TA,
VP26TA, & VN30TA
Note: You may be running this heater for
the first time after hooking up to gas supply.
If so, you may need to press in thermostat
control knob for 30 seconds or more. This
will allow air to bleed from the gas system.
Ignitor
Button
Thermostat
Control Knob
Plaque Control
Knob
1
2
T
O
L
I
P
F
F
O
3
• If thermostat control knob does not pop
up when released, contact a qualified ser-
vice person or gas supplier for repairs.
6. Keep thermostat control knob pressed in while
pushing down and releasing the ignitor but-
ton.This will light pilot. If necessary, continue
to press ignitor button until pilot lights.
4
Figure 23 - Thermostat Control Knob In The
OFF Position, Models VP16ITA & VN22ITA
Thermocouple
Ignitor Electrode
If pilot does not light
• turn thermostat control knob clockwise
Pilot Burner
Clockwise
to the OFF position
• repeat steps 5 and 6
If pilot does not stay lit after several tries
• refer to Troubleshooting, pages 20 through 22
• contact a qualified service person or gas
supplier
Until repairs are made, light pilot with
match. To light pilot with match, see
Manual Lighting Procedure, page 17.
7. Keep thermostat control knob pressed in
for 30 seconds after lighting pilot. After 30
seconds, release control knob.
Figure 24 - Pilot
Control VP16TA
Knob VN18TA
VP26TA
VN30TA
T
O
L
I
P
F
F
O
Note: If pilot goes out, repeat steps 3
through 7. This heater has a safety inter-
lock system. Wait one minute before light-
ing pilot again.
T
O
L
I
P
F
F
O
Figure 25 - Burner Patterns
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113052-01A
TO TURN OFF GAS
TO APPLIANCE
OPERATING HEATER
Continued
TO SELECT
Shutting Off Heater
1. Turn thermostat control knob clockwise
HEATING LEVEL
Clockwise
to the OFF position.
INFRASTAT MODELS VP16ITA, AND
VP22ITA ONLY
2. Turn off all electric power to the appliance
if service is to be performed.
WARNING: When running
heater, set control knob at the 1,
2,3,or4lockedpositions.Never
setcontrolknobbetweenlocked
positions.Poorcombustionand
higher levels of carbon monox-
ide may result.
Shutting Off Burner Only (pilot stays lit)
Turn thermostat control knob clockwise
Clockwise
to the PILOT position.
THERMOSTAT
OPERATION
The thermostatic control used on these models
differs from standard thermostats. Standard
thermostats simply turn on and off the burner.
The thermostat used on this heater senses the
room temperature. At times the room may ex-
ceed the set temperature. If so, the burner will
shut off. The burner will cycle back on when
room temperature drops below the set tempera-
ture. For standard models (T), the control knob
can be set to any heating level between 1 and 5.
All plaques will turn off and on. For infrastat
models (ITA), the control knob can be set at
the 1, 2, 3, or 4 locked positions for the desired
comfort level. The number of plaques selected
will turn off and on.
CAUTION: Do not try to ad-
just heating levels by using the
equipment shutoff valve.
1. Slightly press in plaque control knob on
right side of heater and turn counterclock-
wise
to the desired position.
C-clockwise
IMPORTANT: Release downward pressure
while turning control knob. Control knob
will lock at the desired position.
2. For standard models (T), turn thermostat
control knob on left side of heater to any set-
ting between LO and HI. For infrastat mod-
els (ITA), set thermostat control knob at the
1, 2, 3, or 4, locked positions. Note: When
burners cycle on, (from LO to HI or one
locked positions to another) a “click” will
be heard. When the burners light, a
“whoosh” noise will be heard.
Note: The thermostat sensing bulb measures
the temperature of air near the heater cabinet.
This may not always agree with room tempera-
ture (depending on housing construction, instal-
lation location, room size, open air tempera-
tures, etc.) Frequent use of your heater will let
you determine your own comfort levels.
MANUAL LIGHTING
PROCEDURE
1. Remove front panel (see Figure 7, page 8).
Plaque
Control Knob VP16ITA
VP22ITA
2
4
1
2. Follow steps 1 through 5 under Lighting In-
structions, page 16.
3. With thermostat control knob pressed in,
strike match. Hold match to pilot until pi-
lot lights.
4
3
2
1
4. Keep thermostat control knob pressed in
for 30 seconds after lighting pilot. After 30
seconds, release control knob. Follow step
8 under Lighting Instructions, page 16.
4
3
2
5. Replace front panel.
4
3
1
2
Figure 26 - Burner Patterns, Models
VP16ITA and VP22ITA
113052-01A
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BURNER FLAME PATTERN
Figure 29 shows a correct burner flame pattern.
Figure 30 shows an incorrect burner flame pattern.
INSPECTING HEATER
Check pilot flame pattern and burner flame pat-
tern often.
If burner flame pattern is incorrect, as shown in
Figure 30
PILOT FLAME PATTERN
Figure 27 shows a correct pilot flame pattern. Figure
28 shows an incorrect pilot flame pattern. The incor-
rect pilot flame is not touching the thermocouple.
This will cause the thermocouple to cool. When the
thermocouple cools, the heater will shut down.
•
turn heater off (see To Turn Off Gas to Appli-
ance, page 15 or 17, depending on your model)
•
see Troubleshooting, pages 20 through 22
If pilot flame pattern is incorrect, as shown in Fig-
ure 28
•
turn heater off (see To Turn Off Gas to Appli-
ance, page 15 or 17, depending on your model)
•
see Troubleshooting, pages 20 through 22
Note: The pilot flame on natural gas units will
have a slight curve, but flame should be blue and
have no yellow or orange color.
Figure 29 - Correct Burner Flame Pattern
Blue Flame
Pilot Burner
Thermocouple
Figure 27G-OOCD PoILOrTr/LeP ct Pilot Flame Pattern
GRH/OV 007
Bad Burner Pattern-Plaque
GRH/OV 019
Yellow Flame
Figure 30 - Incorrect Burner Flame
Pattern
Pilot Burner
Thermocouple
BAD PILOT/LP
Figure 28 - Incorrect Pilot GFRHl/aOVm008e Pattern
18
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113052-01A
1. Shut off the unit, including the pilot. Allow
the unit to cool for at least thirty minutes.
CLEANING AND
MAINTENANCE
2. Inspect burner, pilot for dust and dirt.
3. Blow air through the ports/slots and holes in
the burner.
WARNING: Turn off heater
and let cool before cleaning.
4. Never insert objects into the pilot tube.
Clean the pilot assembly also. A yellow tip on the
pilot flame indicates dust and dirt in the pilot as-
sembly. There is a small pilot air inlet about two
inches from where the pilot flame comes out of
the pilot assembly (see Figure 31). With the unit
off, lightly blow air through the air inlet. You may
blow through a drinking straw if compressed air
is not available.
CAUTION: You must keep
control areas, burner, and cir-
culating air passageways of
heater clean. Inspect these ar-
eas of heater before each use.
Haveheaterinspectedyearlyby
a qualified service person.
Heater may need more frequent
cleaning due to excessive lint
from carpeting, bedding mate-
rial, pet hair, etc.
Pilot Assembly
WARNING: Failure to keep
theprimaryairopening(s)ofthe
burner(s) clean may result in
sooting and property damage.
Pilot Air Inlet
Figure 31 - Pilot Air Inlet
CABINET
ODS/PILOT AND BURNER
Use a vacuum cleaner, pressurized air, or small,
soft bristled brush to clean.
Air Passageways
Use a vacuum cleaner or pressurized air to
clean.
•
•
CLEANING BURNER PILOT AIR INLET
Exterior
Use a soft cloth dampened with a mild soap
and water mixture. Wipe the cabinet to remove
dust.
The primary air inlet holes allow the proper
amount of air to mix with the gas. This provides a
clean burning flame. Keep these holes clear of dust,
dirt, and lint. Clean these air inlet holes prior to
each heating season. Blocked air holes will create
soot. We recommend that you clean the unit every
three months during operation and have heater
inspected yearly by a qualified service person.
•
We also recommend that you keep the burner tube
and pilot assembly clean and free of dust and dirt.
To clean these parts we recommend using com-
pressed air no greater than 30 PSI. Your local com-
puter store, hardware store, or home center may
carry compressed air in a can. You can use a
vacuum cleaner in the blow position. If using com-
pressed air in a can, please follow the directions
on the can. If you don't follow directions on the
can, you could damage the pilot assembly.
113052-01A
19
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TROUBLESHOOTING
Note: All troubleshooting items are listed in order of operation.
WARNING: Turn off and unplug heater and let cool before servic-
ing. Only a qualified service person should service and repair heater.
CAUTION: Never use a wire, needle, or similar object to clean
ODS/pilot. This can damage ODS/pilot unit.
OBSERVED PROBLEM POSSIBLE CAUSE
REMEDY
When ignitor button is pressed 1. Ignitor electrode positioned 1. Replace pilot assembly
in, there is no spark at ODS/
pilot
wrong
2. Ignitor electrode broken
2. Replace pilot assembly
3. Ignitor electrode not con- 3. Reconnect ignitor cable
nected to ignitor cable
4. Ignitor cable pinched or wet
4. Free ignitor cable if pinched
by any metal or tubing. Keep
ignitor cable dry
5. Broken ignitor cable
6. Bad ignitor
5. Replace ignitor cable
6. Replace ignitor
7. Battery not installed, battery 7. Install new alkaline battery in
power low, or battery not in-
stalled correctly (electronic ig-
nition models only)
electronic ignitor. Verify bat-
tery is installed correctly
When ignitor button is pressed 1. Gas supply turned off or equip- 1. Turn on gas supply or open
in, there is a spark at ODS/Pilot
but no ignition
ment shutoff valve closed
2. Control knob not fully pressed 2. Turn to PILOT/IGN position.
equipment shutoff valve
in while pressing ignitor but-
ton (non-thermostat models
only)
Thermostat control knob not
fully pressed in while pressing
ignitor button (thermostat
models only)
Fully press in control knob
while pressing ignitor button
(non-thermostat models only)
Fully press in thermostat con-
trol knob while pressing igni-
tor button (thermostat models
only)
3. Air in gas lines when installed 3. Continue holding down con-
trol knob. Repeat igniting op-
eration until air is removed
4. Depleted gas supply (propane/ 4. Contact local propane/LP gas
LP gas)
company
5. ODS/pilot is clogged
5. Clean ODS/pilot (see Cleaning
and Maintenance, page 19) or
replace ODS/pilot assembly
6. Gas regulator setting is not 6. Replace gas regulator
correct
7. Thermostat control knob is not 7. Turn thermostat control knob
in pilot position (thermostat
models only)
to pilot position
20
113052-01A
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TROUBLESHOOTING
Continued
OBSERVED PROBLEM POSSIBLE CAUSE
REMEDY
ODS/pilot lights but flame goes 1. Control knob not fully pressed in 1. Press in control knob fully
out when control knob is re- 2. Control knob not pressed in 2. After ODS/pilot lights, keep con-
leased
long enough
3. Equipment shutoff valve not 3. Fully open equipment shutoff
fully open valve
4. Thermocouple connection 4. Hand tighten until snug, then
loose at control valve tighten 1/4 turn more
5. Pilot flame not touching ther- 5. A) Contact local natural or
trol knob pressed in 30 seconds
mocouple, which allows ther-
mocouple to cool, causing pi-
lot flame to go out. This prob-
lem could be caused by one or
both of the following:
propane/LP gas company
B) Clean ODS/pilot (see
Cleaning and Maintenance,
page 19) or replace ODS/pi-
lot assembly
A) Low gas pressure
B) Dirty or partially clogged
ODS/pilot
6. Thermocouple damaged
7. Control valve damaged
6. Replace pilot assembly
7. Replace control valve
8. Safety interlock system has 8. Wait one minute for safety in-
been triggered (thermostat
models only)
terlock system to reset. Repeat
ignition operation
Burner(s) does not light after 1. Burner orifice(s) is clogged
ODS/pilot is lit
1. Clean burner orifice(s) (see
Cleaning and Maintenance,
page 19) or replace burner
orifice(s)
2. Inlet gas pressure is too low
2. Contact local natural or pro-
pane/LP gas company
Delayed ignition of burner(s)
1. Manifold pressure is too low 1. Contact local natural or pro-
pane/LP gas company
2. Burner orifice(s) is clogged
2. Clean burner orifice(s) (see
Cleaning and Maintenance,
page 19) or replace burner
orifice(s)
Burner backfiring during com- 1. Burner orifice(s) is clogged or 1. Clean burner orifice(s) (see
bustion
damaged
Cleaning and Maintenance,
page 19) or replace burner
orifice(s)
2. Burner damaged
3. Gas regulator defective
2. Replace burner
3. Replace gas regulator
Burner plaque(s) does not glow 1. Plaque damaged
2. Inlet gas pressure is too low
1. Replace burner
2. Contact local natural or pro-
pane/LP gas company
3. Control knob set between 3. Turn control knob until it
locked positions locks at desired setting
Slightsmokeorodorduringini- 1. Residues from manufacturing 1. Problem will stop after a few
tial operation
processes
hours of operation
113052-01A
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TROUBLESHOOTING
Continued
WARNING: If you smell gas
• Shut off gas supply.
• Do not try to light any appliance.
•
Donottouchanyelectricalswitch;donotuseanyphoneinyourbuilding.
• Immediately call your gas supplier from a neighbor’s phone.
Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies,
paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes.
These fumes may mix with combustion air and create odors.
OBSERVED PROBLEM POSSIBLE CAUSE
REMEDY
Heaterproducesaclicking/tick- 1. Metal expanding while heating 1. This is common with most heat-
ing noise just after burner is lit
or shut off
or contracting while cooling
ers. If noise is excessive, con-
tact qualified service person
White powder residue forming 1. When heated, vapors from fur- 1. Turn heater off when using
within burner box or on adja-
cent walls or furniture
niture polish, wax, carpet
cleaner, etc., may turn into
white powder residue
furniture polish, wax, carpet
cleaners, or similar products
Heater produces unwanted 1. Heater burning vapors from 1. Ventilate room. Stop using
odors
paint, hair spray, glues, etc. See
IMPORTANTstatement above
odor causing products while
heater is running
2. Low fuel supply (propane/LP gas) 2. Refill supply tank
3. Gas leak. See Warning 3. Locate and correct all leaks
statement at top of page
(see Checking Gas Connec-
tions, pages 12 and 13)
Heater shuts off in use (ODS 1. Not enough fresh air is 1. Open window and/or door for
operates)
available
ventilation
2. Low line pressure
2. Contact local natural or pro-
pane/LP gas company
3. ODS/pilot is partially clogged 3. Clean ODS/pilot (see Cleaning
and Maintenance, page 19)
Gas odor even when control 1. Gas leak. See Warning 1. Locate and correct all leaks
knob is in OFF position
statement at top of page
(see Checking Gas Connec-
tions, pages 12 and 13)
2. Control valve defective
2. Replace control valve
Gas odor during combustion
1. Foreign matter between con- 1. Take apart gas tubing and re-
trol valve and burner move foreign matter
2. Gas leak. See Warning 2. Locate and correct all leaks
statement at top of page
(see Checking Gas Connec-
tions, pages 12 and 13)
Moisture/condensation noticed 1. Not enough combustion/ven- 1. Refer to Fresh Air for Com-
on windows
tilation air
bustion and Ventilation re-
quirements (page 5)
22
113052-01A
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SPECIFICATIONS
VP16A, VP16TA
VP16ITA
VP26A, VP26TA
VP22ITA
6,000/16,000/26,000 6,500/22,000
Propane/LP Only Propane/LP Only Propane/LP Only
Btu (Variable)
Type Gas
Ignition
6,000/11,000/16,000 6,000/16,000
Propane/LP Only
Electronic
Electronic
8" W.C.
Electronic
8" W.C.
Electronic
8" W.C.
Pressure Regulator Setting 8" W.C.
Inlet Gas Pressure* (in. of water)
Maximum
Minimum
14"
11"
14"
11"
14"
11"
14"
11"
Dimensions, Inches (H x W x D)
Heater
Carton
24.25 x 18.25 x 7
26.25 x 21.25 x 9
24.25 x 18.25 x 7 24.25 x 25.75 x 7
26.25 x 21.25 x 9 26.25 x 29 x 9
24.25 x 25.75 x 7
26.25 x 29 x 9
Weight (pounds)
Heater
20
25
20
25
28
33
28
33
Shipping
Note: Dimensions listed are outer most points on the heater (includes control knobs and grill).
* For purposes of input adjustment.
VN18A, VN18TA
VN30A, VN30TA
Btu (Variable)
Type Gas
Ignition
6,600/12,000/18,000 6,600/18,000/30,000
Natural Only
Electronic
Natural Only
Electronic
6" W.C.
Pressure Regulator Setting 6" W.C.
Inlet Gas Pressure* (in. of water)
Maximum
Minimum
10.5"
7"
10.5"
7"
Dimensions, Inches (H x W x D)
Heater
Carton
24.25 x 18.25 x 7
26.25 x 21.25 x 9
24.25 x 25.75 x 7
26.25 x 29 x 9
Weight (pounds)
Heater
20
25
28
33
Shipping
Note: Dimensions listed are outer most points on the heater (includes control knobs and grill).
* For purposes of input adjustment.
113052-01A
23
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ILLUSTRATED PARTS BREAKDOWN
CABINET BODY MODELS
VP16A, VN18A, VP26A, VN30A, VP16TA, VN18TA, VP26TA, AND VN30TA
7
5
17
15
14
11
6
See Pages
28 through 31
4
8
16
Replacement
may vary from
grill shown
See Pages
28 through 31
9
10
13
12
3
2
Install Battery
According To
This Illustration
AAA
Battery
Negative
UP
1
24
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113052-01A
PARTS LIST
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions
listed under Replacement Parts on page 32 of this manual.
KEY
NO. VP16A
PART NUMBER
VP16TA VN18A
VN18TA
DESCRIPTION
QTY.
1
1
1
2
3
4
5
6
7
8
9
107672-01 107672-01 107672-01 107672-01 Front Panel
103476-01 103476-01 103476-01 103476-01 Grill Guard
104635-01 104635-01 104635-01 104635-01 Apron
1
107894-01 107894-01 107894-01 107894-01 Reflector Assembly
1
1
1
1
1
1
1
1
**
**
**
**
Cabinet Back Panel
111435-01 111435-01 111435-01 111435-01 Electronic Ignitor
099066-02 099066-02 099066-02 099066-02 Mounting Bracket
098271-11 098271-11 098271-11 098271-11 Ignitor Cable
____
____
____
____
____
____
098462-01
098462-01
098325-01
098354-03
Control Rod Assembly
Roll Pin
Control Knob
10 098325-01
11 098354-03
12 099415-18 099415-18 099415-19 099415-19 Gas Regulator
13 104819-02 104819-02 104819-02 104819-02 Regulator Bracket
1
1
1
____
____
____
____
14
15
098522-24
102394-02
098522-24 Thermostat Gas Valve
102394-02 Thermostat Valve
Mounting Bracket
1
1
1
16 107660-01 103256-02 107660-01 103256-02 Inlet Tube
17 109303-04 109303-04 109303-04 109303-04 Baffle
** Not a field replaceable part.
KEY
NO. VP26A
PART NUMBER
VP26TA VN30A
VN30TA
DESCRIPTION
QTY.
1
1
1
2
3
4
5
6
7
8
9
107675-01 107675-01 107675-01 107675-01 Front Panel
103476-02 103476-02 103476-02 103476-02 Grill Guard
104635-03 104635-03 104635-03 104635-03 Apron
1
107894-02 107894-02 107894-02 107894-02 Reflector Assembly
1
1
1
1
1
1
1
1
**
**
**
**
Cabinet Back Panel
111435-01 111435-01 111435-01 111435-01 Electronic Ignitor
099066-02 099066-02 099066-02 099066-02 Mounting Bracket
098271-11 098271-11 098271-11 098271-11 Ignitor Cable
____
____
____
____
____
____
098462-01
098462-01
098325-01
098354-03
Control Rod Assembly
Roll Pin
Control Knob
10 098325-01
11 098354-03
12 099415-18 099415-18 099415-19 099415-19 Gas Regulator
13 104819-02 104819-02 104819-02 104819-02 Regulator Bracket
1
1
1
____
____
____
____
14
15
098522-24
102394-02
098522-24 Thermostat Gas Valve
102394-02 Thermostat Valve
Mounting Bracket
1
1
1
16 107660-03 103256-02 107660-03 103256-02 Inlet Tube
17 109303-03 109303-03 109303-03 109303-03 Baffle
** Not a field replaceable part.
PARTS AVAILABLE - NOT SHOWN - ALL MODELS
PART NO. DESCRIPTION
QTY.
100642-03 Hardware Assembly
109483-01 Lighting Instruction Plate
105345-01 Cable Tie
1
1
1
1
1
107888-01 Control Position Label
GA4550
Base Foot
113052-01A
25
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ILLUSTRATED PARTS BREAKDOWN
CABINET BODY MODELS VP16ITA AND VP22ITA
7
11
5
18
17
14
6
See Page 30
8
15
16
4
Replacement
may vary from
grill shown
10
See
Page 30
A
B
C
9
13
12
3
2
Install Battery
According To
This Illustration
AAA
Battery
Negative
UP
1
26
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113052-01A
PARTS LIST
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions
listed under Replacement Parts on page 32 of this manual.
KEY
NO. VP16ITA
PART NUMBER
VP22ITA
DESCRIPTION
QTY.
1
2
3
4
5
6
7
8
9
107672-01 107675-01 Front Panel
103476-01 103476-02 Grill Guard
104635-02 104635-03 Apron
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
107894-01 107894-03 Reflector Assembly
**
**
Cabinet Back Panel
111435-01 111435-01 Electronic Ignitor
099066-02 099066-02 Mounting Bracket
098271-11 098271-11 Ignitor Cable
098462-01 098462-01 Control Rod Assembly
10 098325-01 098325-01 Roll Pin
11 098354-04 098354-05 Control Knob
12 099415-18 099415-18 Gas Regulator
13 104819-02 104819-02 Regulator Bracket
14 098522-24 098522-24 Thermostat Gas Valve
15 103255-02 103255-02 SIT Outlet Tube
16 103256-02 103256-02 Inlet Tube
17 102394-02 102394-02 Thermostat Valve Mounting Bracket
18 109303-04 109303-05 Baffle
PARTS AVAILABLE - NOT SHOWN
100642-03 100642-03 Hardware Assembly
109483-01 109483-01 Lighting Inst. Plate
107888-01 107888-01 Control Position Decal
105345-01 105345-01 Cable Tie
1
1
1
1
1
GA4550
GA4550
Base Kit
** Not a field replaceable part.
113052-01A
27
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ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST
BURNER ASSEMBLY MODELS VP16A AND VN18A
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions
listed under Replacement Parts on page 32 of this manual.
1
2
5
6
8
1
2
3
7
ODS/Pilot
12
11
4
10
9
4
Burner Assembly VP16A, VN18A
KEY
PART NUMBER
NO. VP16A
VN18A
DESCRIPTION
QTY.
1
2
3
4
5
6
7
8
9
110803-02 110803-03 ODS/Pilot
1
1
1
1
1
1
1
1
1
1
1
1
110186-01 110186-01 Thermocouple Kit
098200-03 098200-03 Control Valve Bracket
105051-02 105051-02 Pilot Tubing
099218-06 099218-06 Burner
098508-01 098508-01 Valve Retainer Nut
099056-01 099056-02 Injector - Plaque A
099056-25 099056-24 Injector - Plaque B
103844-01 103844-01 Control Valve
10 107660-01 107660-01 Inlet Tubing
11 103352-03 103352-03 Tubing-Valve to Plaque A
12 103352-04 103352-04 Tubing-Valve to Plaque B
28
113052-01A
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ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST
BURNER ASSEMBLY MODELS VP26A AND VN30A
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions
listed under Replacement Parts on page 32 of this manual.
1
2
5
6
7
1
2
8
3
7
12
11
ODS/Pilot
13
4
10
9
4
Burner Assembly VP26A, VN30A
KEY
NO. VP26A
PART NUMBER
VN30A
DESCRIPTION
QTY.
1
2
3
4
5
6
7
8
9
110803-02 110803-03 ODS/Pilot
1
1
1
1
1
1
2
1
1
1
1
1
1
110186-01 110186-01 Thermocouple Kit
098200-03 098200-03 Control Valve Bracket
105050-02 105050-02 Pilot Tubing
099218-07 099218-07 Burner
098508-01 098508-01 Valve Retainer Nut
099056-25 099056-24 Injector - Plaque A, C
099056-01 099056-02 Injector - Plaque B
100747-01 100747-01 Control Valve
10 107660-03 107660-03 Inlet Tubing
11 103353-04 103353-04 Tubing-Valve to Plaque A
12 103353-05 103353-05 Tubing-Valve to Plaque B
13 103353-06 103353-06 Tubing-Valve to Plaque C
113052-01A
29
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ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST
BURNER ASSEMBLY MODELS VP16ITA AND VP22ITA
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions
listed under Replacement Parts on page 32 of this manual.
1
2
6
3
A
5
B
C
11
7
D
ODS/Pilot
7
6
3
9
15
5
7
12
10
7
A
2
13
B
14
1
C
7
4
11
7
7
12
Burner Assembly VP22ITA
1
2
13
9
10
4
8
Burner Assembly VP16ITA
KEY
PART NUMBER
NO. VP16ITA
VP22ITA
DESCRIPTION
QTY.
1
2
3
4
5
6
7
8
9
110803-02 110803-02 ODS/Pilot
110186-01 110186-01 Thermocouple Kit
098200-04 098200-04 Control Valve Bracket
099387-11 099387-11 Pilot Tubing
099218-01 099218-03 Burner
1
1
1
1
1
1
3-4
2
098508-01 098508-01 Valve Retainer Nut
099056-01 099056-01 Injector
_____
100615-01 Male Connector
100605-01 100605-02 Control Valve
1
10 107899-01 107899-03 Inlet Tubing
1
11 107892-02 107900-02 Tubing-Valve to Plaque A
12 107892-01 107900-04 Tubing-Valve to Plaque B
13 107892-03 107900-01 Tubing-Valve to Plaque C
1
1
1
30
113052-01A
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ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST
BURNER ASSEMBLY MODELS VP16TA, VN18TA, VP26TA, AND VN30TA
This list contains replaceable parts used in your heater. When ordering parts, follow the instructions
listed under Replacement Parts on page 32 of this manual.
1
2
5
7
1
2
ODS/Pilot
6
3
5
4
Burner Assembly VP16TA, VN18TA
6
1
2
7
6
3
4
Burner Assembly VP26TA, VN30TA
KEY
PART NUMBER
VN18TA VP26TA
NO. VP16TA
VN30TA
DESCRIPTION
QTY.
1
2
3
4
5
6
7
110803-02 110803-03 110803-02 110803-03 ODS/Pilot
110186-01 110186-01 110186-01 110186-01 Thermocouple Kit
105051-01 105051-01 099387-03 099387-03 Pilot Tubing
104818-03 104818-03 104818-04 104818-04 Outlet Tubing
099218-06 099218-06 099218-07 099218-07 Burner
1
1
1
1
1
1
1
099056-01 099056-02 099056-25 099056-24 Injector - Plaque A and C
099056-25 099056-24 099056-01 099056-02 Injector - Plaque B
113052-01A
31
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REPLACEMENT PARTS
SERVICE HINTS
Note: Use only original replacement parts. This
will protect your warranty coverage for parts re-
placed under warranty.
When Gas Pressure Is Too Low
•
•
•
•
pilot will not stay lit
burner will have delayed ignition
heater will not produce specified heat
propane/LP gas supply may be low
PARTS UNDER WARRANTY
Contact authorized dealers of this product. If they
can’t supply original replacement part(s), call
DESA Heating Products’ Technical Service De-
partment at 1-866-672-6040.
You may feel your gas pressure is too low. If so, con-
tact your local natural or propane/LP gas supplier.
TECHNICAL SERVICE
When calling DESA Heating Products, have ready
You may have further questions about installation,
operation, or troubleshooting. If so, contact DESA
Heating Products’ Technical Service Department
at 1-866-672-6040. When calling please have your
model and serial numbers of your heater ready.
•
•
•
•
•
•
your name
your address
model and serial numbers of your heater
how heater was malfunctioning
type of gas used (propane/LP or natural gas)
purchase date
You can also visit DESA Heating Products’ tech-
nical service web site at www.desatech.com.
Usually, we will ask you to return the part to the
factory.
PARTS NOT UNDER WARRANTY
Contact authorized dealers of this product. If they
can’t supply original replacement part(s), either
contact your nearest Parts Central (see page 33),
or call DESA Heating Products at 1-866-672-6040
for referral information.
When calling DESA Heating Products, have ready
•
•
model number of your heater
the replacement part number
SERVICE PUBLICATIONS
You can purchase a service manual from the address
listed on the back page of this manual. Send a check
for $5.00 payable to DESA Heating Products.
32
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113052-01A
ACCESSORIES
Purchase these heater accessories from your local
dealer. If they can not supply these accessories, either
contact your nearest Parts Central (see page 33), or
call DESA Heating Products at 1-866-672-6040 for
referral information. You can also write to the ad-
dress listed on the back page of this manual.
FAN KITS - GA3250T
For all models. Provides better heat distribution.
Makes heater more efficient. Complete installa-
tion and operating instructions included.
Thermostatically-controlled, blower turns itself on
and off as required.
EQUIPMENT SHUTOFF VALVE -
GA5010
For all models. Equipment shutoff valve with 1/8"
NPT tap.
Washer Equipment Co.
1715 Main Street
Kansas City, MO 64108-2195
KS, MO, AR
816-842-3911
PARTS CENTRAL
These Parts Centrals are privately owned businesses.
They have agreed to support our customer’s needs by
providing original replacement parts and accessories.
Baltimore Electric
5 Manila Ave
Hamden, CT 06514-0322
1-800-397-7553
East Coast Energy
707 Broadway
W. Long Branch, NJ 07764-1542
732-870-8809
1-800-755-8809
203-248-7553
Portable Heater Parts
342 N. County Rd. 400 East
Valparaiso, IN 46383-9704
219-462-7441
Laporte’s Parts & Service
2444 N. 5th Street
Hartsville, SC 29550-7704
843-332-0191
1-888-619-7060
Parts Department
Cans Unlimited
P.O. Box 645
Taylor, SC 29687-0013
803-879-3009
1-800-845-5301
FBD
1349 Adams Street
Bowling Green, KY 42103-3414
270-846-1199
1-800-654-8534
Fax: 1-800-846-0090
Master Parts Dist.
1251 Mound Ave. NW
Grand Rapids, MI 49504-2672
616-791-0505
1-800-446-1446
113052-01A
33
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NOTES
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34
113052-01A
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NOTES
___________________________________________________________
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113052-01A
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WARRANTY INFORMATION
KEEP THIS WARRANTY
Model
Serial No.
Date Purchased
Always specify model and serial numbers when communicating with the factory.
We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our
standard written warranty. We make no other warranty, expressed or implied.
LIMITED WARRANTY
VANGUARD VENT-FREE INFRARED GAS HEATERS
DESA Heating Products warrants this product to be free from defects in materials and components for four (4)
years from the date of first purchase, provided that the product has been properly installed, operated and main-
tained in accordance with all applicable instructions. To make a claim under this warranty the Bill of Sale or
cancelled check must be presented.
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to
restore this heater to proper operating condition and an allowance for labor when provided by a DESA Heating
Products Authorized Service Center. Warranty part(s) MUST be obtained through authorized dealers of this prod-
uct and/or DESA Heating Products who will provide original factory replacement parts. Failure to use original
factory replacement parts voids this warranty. The heater MUST be installed by a qualified installer in accordance
with all local codes and instructions furnished with the unit.
This warranty does not apply to parts that are not in original condition because of normal wear and tear, or parts
that fail or become damaged as a result of misuse, accidents, lack of proper maintenance or defects caused by
improper installation. Travel, diagnostic cost, labor, transportation and any and all such other costs related to
repairing a defective heater will be the responsibility of the owner.
TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE
OF THE PRODUCT; THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED
WARRANTIES AND LIMITS THE DURATION OFANYANDALL IMPLIED WARRANTIES, INCLUDING
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR (4)
YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE; AND DESAHEATING PROD-
UCTS’ LIABILITY IS HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA
HEATING PRODUCTS SHALLNOT BE LIABLE FORANY OTHER DAMAGES WHATSOEVER INCLUD-
ING INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES.
Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of
incidental or consequential damages, so the above limitation on implied warranties, or exclusion or limitation on
damages may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights that vary from state to state.
For information about this warranty write:
2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004
113052-01
Rev. A
02/04
113052 01
Patent Pending
NOT A UPC
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