Lennox Hearth Electric Heater SHGL 18MN R User Manual

INSTALLATION INSTRUCTIONS  
AND HOMEOWNER'S MANUAL  
SERENE HEAT SERIES  
18" & 24" Dual-Listed Gas Log Sets  
P/N 850,021M REV. B 03/2007  
MODELS  
SHGL-18VN-R  
SHGL-18VP-R  
SHGL-18MN-R  
SHGL-18MP-R  
SHGL-24VN-R  
SHGL-24VP-R  
SHGL-24MN-R  
SHGL-24MP-R  
RETAIN THESE INSTRUCTIONS  
FOR FUTURE REFERENCE  
WARNING: IMPROPER INSTALLATION, ADJUSTMENT, AL-  
TERATION, SERVICE OR MAINTENANCE CAN CAUSE IN-  
JURY OR PROPERTY DAMAGE. REFER TO THIS MANUAL.  
FOR ASSISTANCE OR ADDITIONAL INFORMATION CON-  
SULT A QUALIFIED INSTALLER, SERVICE AGENCY OR THE  
GAS SUPPLIER.  
OTL REPORT NO. 116-L-11-5  
WARNING: DO NOT BUILD A WOOD FIRE. DO NOT BURN  
WOOD OR OTHER MATERIAL IN THESE APPLIANCES.  
WARNING:IFTHEINFORMATIONINTHISMANUAL  
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLO-  
SIONMAYRESULTCAUSINGPROPERTYDAMAGE,  
PERSONAL INJURY OR LOSS OF LIFE.  
CAREFULLY REVIEW THE INSTRUCTIONS SUPPLIED WITH  
THE DECORATIVE TYPE UNVENTED ROOM HEATER FOR  
THE MINIMUM FIREPLACE SIZE REQUIREMENT.  
FOR YOUR SAFETY: Do not store or use gasoline  
or other flammable vapors or liquids in the vicinity  
of this or any other appliance.  
DO NOT INSTALL THE APPLIANCE IN THE FIREPLACE, UN-  
LESS THE FIREPLACE MEETS THE MINIMUM DIMENSIONS  
REQUIRED FOR THE INSTALLATIONS (SEE PAGE 2).  
FOR YOUR SAFETY: What to do if you smell gas:  
This is an unvented gas log appliance. It uses air  
(oxygen) from the room in which it is installed.  
Provisions for adequate combustion and ventila-  
tion air must be provided. Refer to Combustion  
and Ventilation Air Section, Page 3.  
• 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.  
Due to high temperatures, the appliance should be located out  
of traffic and away from furniture or draperies (see page 4).  
Follow your gas suppliers instructions.  
• If your gas supplier cannot be reached, call the  
fire department.  
Do not place clothing or other materials on or near this  
appliance.  
Installation and service must be performed by a  
qualified installer, service agency or the gas sup-  
plier.  
IMPORTANT: READ AND UNDERSTAND THESE INSTRUCTIONS  
COMPLETELY BEFORE INSTALLING YOUR UNVENTED ROOM  
HEATERS.  
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Roomscommunicatingdirectlywiththespace  
in which the appliances are installed, through  
openings not furnished with doors, are con-  
sidered a part of the unconfined space.  
Do not install the appliance in a bedroom or  
bathroom.  
Serene Heat Gas Log appliances are certified by  
OMNI-Test Laboratories to ANSI Z21.11.2 un-  
vented room heaters standard. These gas log  
appliances may be used as a space heat source  
for a room in conjunction with an approved  
unvented firebox.  
The installation must conform with local  
codes or, in the absence of local codes with the  
National Fuel Gas Code, ANSI Z223.1.  
Unusuallytightconstructionisdefinedascon-  
struction where:  
Theapplianceanditsindividualshut-offvalve  
must be disconnected from the gas supply  
pipingsystemwhileperforminganytestsofthe  
gas supply piping system at pressures in ex-  
cess of ¹⁄₂ psig.  
Additionally, these units are design certified  
by OMNI-Test Laboratories to ANSI 21.60 as a  
vented gas log set.  
a. wall and ceilings exposed to the outside  
atmosphere have a continuous water vapor  
retarder with a rating or one perm or less with  
openings gasketed or sealed, and  
As such, these units may be used as a vented  
gas log set in any wood-burning fireplace that  
has been properly constructed to code, and in  
the case of factory built fireplaces, installed in  
compliance with manufacturers listing and  
installation instruction.  
b. weather stripping has been added on oper-  
able windows and doors, and  
The appliance must be isolated from the gas  
supply piping system by closing its individual  
manualshut-offvalveduringanypressuretest-  
ing of the gas supply piping system at test  
pressures equal to or less than ¹⁄₂ psig.  
c. caulking or sealants are applied to areas  
suchasjointsaroundwindowanddoorframes,  
between sole plates and floors, between wall-  
ceiling joints, between wall panels, at penetra-  
tions for plumbing, electrical, and gas lines,  
and at other openings.  
Use of the log sets covered by this manual in  
aproperlyventedwood-burningfireplacewhich  
has had the damper blocked open as detailed  
below, preclude consideration of the combus-  
tion and ventilation air and clearance to com-  
bustible restrictions discussed herein.  
Keep appliance area clear and free from  
combustiblematerials,gasolineandotherflam-  
mable vapors and liquids.  
Use the following equations to determine if  
you have a confined or unconfined space.  
Donotusethisapplianceifanyparthasbeen  
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.  
When local codes require the damper to be  
fixed open, a damper stop must be installed to  
prevent full closure of the fireplace damper  
and provide a minimum 29 square inch flue  
opening at all times.  
1. Determine the volume of space — ft 3.  
Length x Width x Height = _____ ft 3  
(Include adjoining rooms with doorless pas-  
sagewaysorventilationgrillsbetweenrooms.)  
Input ratings are shown in BTU per hour and  
areforelevationsupto2,000feet.Donotinstall  
this appliance at an elevation above 2,000 feet  
unless the gas supply has been derated for that  
elevation. Consult your local gas supplier. (If  
thegassupplyhasnotbeenderated, theburner  
orifice must be derated at the rate of 4% for  
each 100 feet above sea level).  
If damper clamp is not available, the damper  
may be fixed open in the following manner.  
Drill a hole in the end of the damper. Screw in  
a bolt of sufficient size and adjust to provide the  
minimum 29 square inches of flue opening.  
Example:24'(L)x16'(W)x8'(H)=3072ft 3  
2. Divide the volume of space by 50 ft 3 to  
determine the maximum BTU/Hr the space  
can support.  
COMBUSTION AND VENTILATION AIR  
______ (volume of space – ft 3)/ 50 ft 3  
(Maximum BTU/Hr the space can support)  
=
Ensure that the appliance is clean when  
operating. Excessive dust accumulation on the  
burner and/or logs will increase the amount of  
carbon monoxide formation and could lead to  
the formation of soot, carbon monoxide poi-  
soning and sickness or death.  
These heaters shall not be installed in a con-  
fined space. The heater may be located in  
unusually tight construction provided the  
space is unconfined, or if confined, is pro-  
vided with two permanent openings commu-  
nicating directly with an additional room(s)  
of sufficient volume so that the combined  
volume of all connected spaces meets the  
criteria for an unconfined space, (National  
Fuel Gas Code ANSI Z223.1 (latest edition),  
Section 5.3). Generally 50 ft 3 per 1,000 BTU  
input of all operating appliances in the space.  
Example: 3072 ft 3 / 50 ft 3 = 61.44  
or 61,440 BTU/Hr the space can support.  
3. Add the BTU/Hr of all the fuel burning appli-  
ances in the space.  
CODES  
Adhere to all local codes or in their absence the  
latest edition of The National Fuel Gas Code  
ANSI Z223.1 or NFPA54 which can be obtained  
from The American National Standards Insti-  
tute, Inc. (1430 Broadway, New York, NY,  
10018) or National Fire Protection Association,  
Inc. (Batterymarch Park, Quincy, MA, 02269).  
Vent-Free Heater  
Gas Appliance #1*  
Gas Appliance #2  
_______ BTU/Hr  
_______ BTU/Hr  
+ _______ BTU/Hr  
Total = _______ BTU/Hr  
The National Fuel Gas Code defines a con-  
fined space as a space whose volume is less  
than 50 ft 3 per 1,000 BTU/Hr (4.8 m3 per kw)  
of the aggregate input rating of all appliances  
installed in that space and an unconfined  
space as a space whose volume is not less  
than 50 ft 3 per 1,000 BTU/Hr (4.8 m3 per kw)  
of the aggregate input rating of all appliances  
installed in that space.  
Example:  
Vent-Free Heater  
36,000 BTU/Hr  
Gas Appliance #1  
(water heater)  
35,000 BTU/Hr  
Stateorlocalcodesmayonlyallowoperationof  
thisappliance(manualversiononly)inavented  
configuration. Check your state or local codes.  
Total = 71,000 BTU/Hr  
*DonotincludeDirect-VentGasAppliances.  
Direct-Vent is sealed combustion and draws  
combustion air from the outdoors.  
Seller of unvented propane or natural gas-  
fired supplemental room heaters shall pro-  
vide to each purchaser a copy of 527 CMR 30  
upon sale of the unit.  
3
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Follow these instructions carefully to ensure  
safeinstallation. Failuretofollowtheserequire-  
ments may create a fire hazard.  
4. Compare the maximum BTU/Hr the space  
can support with the actual amount of BTU/  
Hr used.  
CAUTION: APPLIANCES CREATE WARM AIR  
CURRENTS. THESE CURRENTS MOVE HEAT  
TO WALL SURFACES NEXT TO APPLIANCE.  
INSTALLING APPLIANCE NEXT TO VINYL OR  
CLOTH WALL COVERINGS OR OPERATING  
APPLIANCE WHERE IMPURITIES IN THE AIR  
(SUCH AS TOBACCO SMOKE) EXISTS, MAY  
DISCOLOR WALLS.  
Step 1. Sidewall Clearances: The sides of the  
fireplace opening must be at least 16" from any  
combustible side wall (Figure 1 ).  
_________ BTU/Hr  
(max. the space can support)  
_________ BTU/Hr  
(actualamountofBTU/Hrused)  
Note: Illustrations shown in this manual reflect  
“typical” installations with nominal dimensions  
and are for reference only. Actual installations  
may vary due to individual design preferences.  
However,alwaysmaintainminimumclearances  
to combustible materials and do not violate any  
specific installation requirements. Refer to Fig-  
ures 1 through 7 for clearances.  
Example:  
61,440 BTU/Hr  
(max. the space can support)  
71,000 BTU/Hr  
42"  
Min.  
(actualamountofBTU/Hrused)  
16"  
Min.  
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.  
Note: The following steps represent the normal  
sequence of installation. Each installation is  
unique, however, and might require a different  
sequence.  
Figure 1  
Your options are:  
a. Rework equations adding the space of ad-  
joiningroom(s). Iftheextravolumeprovides  
an unconfined space, then remove door or  
add ventilation grills between rooms. Refer  
to National Fuel Gas Code, ANSI Z223.1,  
Section 5.3.  
Step 2. Ceiling Clearance: The ceiling must be  
at least 42" from the top of the appliance open-  
ing (Figure 1 ).  
Turnoffgassupplytothefireplaceorfirebox.  
Position appliance in fireplace or firebox.  
Connect gas line.  
Step3.Noncombustiblematerials(minimum  
requirements): To install the appliance with-  
out wood mantels, shelves or other combus-  
tible projections directly above the opening of  
the fireplace (firebox) refer to Figure 2 and  
Table 2. Note that at least 8" of noncombustible  
materialmustbeinstalledabovetheappliances  
described in this manual.  
Secure appliance.  
b. Vent room directly to the outdoors. Refer to  
National Fuel Gas Code, ANSI Z223.1, Sec-  
tion 5.3.  
Operate the appliance and check operation.  
Check Gas Type  
c. Install a lower BTU/Hr appliance, such as a  
24,000 BTU/Hr, to make the area an uncon-  
fined space.  
Thisappliancecanonlybeconnectedtothegas  
type specified on the appliance rating plate.  
This appliance can not be modified in the field  
for a different gas type. If the gas supply  
differs, DO NOT INSTALL the appliance. Con-  
tact your dealer to obtain the correct appliance.  
Noncombustible materials, such as slate and  
marble, must be at least ¹⁄₂" thick.  
If the actual BTU/Hr used is less than the  
maximum BTU/Hr the space can support, then  
thespaceisanunconfinedspace. Youwillneed  
no additional fresh air ventilation for an uncon-  
fined space.  
Noncombustible  
Material  
A
CLEARANCES  
WARNING: IF THE AREA IN WHICH THE  
APPLIANCE MAY BE OPERATED IS  
SMALLER THAN THAT DEFINED AS AN  
UNCONFINED SPACE, PROVIDE AD-  
EQUATE COMBUSTION AND VENTILA-  
TION AIR BY ONE OF THE METHODS DE-  
SCRIBED IN THE NATIONAL FUEL GAS  
CODE, ANSI Z223.1, SECTION 5.3 OR  
APPLICABLE LOCAL CODES.  
WARNING: DO NOT INSTALL THIS GAS  
APPLIANCE:  
IN SLEEPING QUARTERS, BATH-  
ROOMS, A MOBILE HOME, OR A REC-  
REATIONAL VEHICLE.  
WHERE CURTAINS, FURNITURE,  
CLOTHINGOROTHERFLAMMABLEOB-  
JECTS ARE LESS THAN 42" FROM THE  
FRONT OF THE GAS APPLIANCE.  
IN HIGH TRAFFIC AREAS.  
Appliance in  
Fireplace or  
Firebox  
Figure 2  
8" or More of  
Noncombustible  
Material  
Adjustable  
Canopy  
PREINSTALLATION  
IN WINDY OR DRAFTY AREAS.  
WARNING: BEFORE INSTALLING IN A  
SOLID FUEL BURNING FIREPLACE, THE  
CHIMNEY FLUE AND FIREBOX MUST BE  
CLEANED OF SOOT, CREOSOTE, ASHES  
AND LOOSE PAINT BY A QUALIFIED  
CHIMNEY CLEANER.  
VENT FREE APPLICATIONS  
Appliance in  
Fireplace or  
Firebox  
Ensure the minimum clearances shown in  
Figures 1 through 7 are maintained. Left and  
right clearances are determined when facing  
the front of the appliance.  
Figure 3  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
4
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Example:Thebottomofthemantelmayproject  
from the wall a maximum of 2 ¹ꢀ₂" at a minimum  
of 8" above the opening. The top shelf of the  
mantel may project a maximum of 6" at a  
minimum of 14 ¹ꢀ₂" above the opening.  
Noncombustible Material Requirements with No Mantel Installed  
(A) Noncombustible Material Measurement  
12" or more  
Requirements for Safe Installation  
Adjustable canopy not required.  
Install adjustable canopy.  
8" minimum to 12"  
12"  
10"  
8"  
Less than 8"  
Extend noncombustible material to at least  
8" and install adjustable canopy (Figure 3 ).  
or  
26"  
6"  
22 ¹⁄₂"  
2 ¹⁄₂"  
18 ⁵⁄₈"  
Extend noncombustible material to a height  
of at least 12".  
14 ¹⁄₂"  
8"  
Min.  
Table 2  
Hood (Canopy)  
Noncombustible  
Material  
Noncombustible Material Heights and Mantel Location  
Requirements for Safe Installation  
with Wood Mantel, Shelf or  
Other Combustible Projection  
Figure 5  
Noncombustible Material Measurement  
12" or more  
Adjustablecanopynotrequired.Observepro-  
files shown in Figure 4.  
Step 5. Floor clearance: If combustible floor-  
ing materials, such as carpeting or asphalt tile,  
are to be located within 14" of the fireplace or  
firebox opening, the appliance base must be at  
least5"abovethecombustibleflooringmaterial  
(Figure 6 ).  
8" minimum to 12"  
Install adjustable canopy and observe pro-  
files shown in Figure 5.  
or  
Extend heat resistant material to at least 12"  
and observe profiles shown in Figure 4.  
Table 3  
Combustible Flooring  
Material  
Step 4. Wood mantel, shelf or combustible  
projection requirements: To install a wood  
mantel, shelf or other combustible projection  
directly above the fireplace (firebox), refer to  
Table 3 and to Figures 4 and 5 for installation  
profiles.  
10"  
8"  
6"  
Ceiling  
5" Min.  
42"  
2 ¹⁄₂"  
Figure 6  
38 ⁵⁄₈"  
34 ¹⁄₂"  
The appliance base may be lower than 5" above  
the combustible flooring materials if the com-  
bustible flooring materials are more than 14"  
from the fireplace or firebox opening (Figure 7 ).  
If your mantel profile is unsafe, you may either:  
28"  
Noncombustible  
Material  
Raise the mantel to an acceptable height, or  
Remove the mantel.  
12"  
Combustible  
Flooring  
Material  
Example:Thebottomofthemantelmayproject  
from the wall a maximum of 2 ¹ꢀ₂" at a minimum  
of 28" above the opening. The top shelf of the  
mantel may project a maximum of 6" at a  
minimum of 34 ¹ꢀ₂" above the opening.  
Can be less  
than 5"  
14" Min.  
Figure 4  
Figure 7  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
5
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Step 2. Connecting Gas Line A qualified gas  
applianceinstallermustconnectthedual-listed  
gas appliance to the gas supply.  
B. Brush all joints and connections with the  
gas leak test solution to check for leaks. If  
bubbles are formed, or gas odor is detected,  
turn the gas control knob to the “OFF” posi-  
tion. Either tighten or refasten the leaking  
connection and retest as described above.  
INSTALLATION  
WARNING: DO NOT ALLOW FANS TO  
BLOW DIRECTLY INTO THE FIREPLACE.  
AVOID ANY DRAFTS THAT ALTER  
BURNER FLAME PATTERNS.  
Consult all local codes.  
Route gas line using techniques and materials  
prescribedbylocaland/ornationalcodes. Only  
use pipe of ¹⁄₂" or greater diameter to allow full  
gas volume to the gas fireplace. Undue pres-  
sure loss will occur if the pipe is too small.  
C. When the gas lines are tested and leak free,  
be sure to rinse off the leak testing solution.  
WARNING: DO NOT USE A BLOWER IN-  
SERT, HEAT EXCHANGER INSERT OR  
OTHER ACCESSORY NOT APPROVED  
FOR USE WITH THIS APPLIANCE.  
D. When the gas lines are tested and leak free,  
observe the individual tongues of flame on the  
burner. Make sure all ports are open and  
producing flame evenly across the burner. If  
any ports are blocked, or partially blocked,  
clean out the ports.  
An ANSI approved manual shut-off valve and  
unionmustbeinstalledupstreamoftheappliance  
withinthefireplacecavitywhenrigidpipeisused.  
This appliance must not be operated without a  
fireplace screen installed. Fireplace screens  
must not impair the free flow of combustion air  
to the appliance.  
IMPORTANT:HOLDAPPLIANCEREGULATOR  
WITH A WRENCH TO PREVENT MOVEMENT  
WHEN CONNECTING TO INLET PIPING  
Gas Pressure Check  
Do not burn solid fuels in any fireplace equipped  
with this Dual-Listed gas appliance.  
The appliance regulator controls the burner  
pressure which should be checked at the pres-  
suretestpoint(¹⁄₈"NPTpluggedtap)locatedon  
the manual control valve body (on Manual  
models) or on the control valve itself (on Milli-  
volt models), identified OUT for the manifold  
side and IN for inlet pressure (see Figure 8 ).  
Ensure operating pressures are within the lim-  
its specified in the technical chart on page 10.  
An external regulator must be used on all  
propane (L.P.G.) appliances, in addition to the  
regulator fitted to the appliance, to reduce the  
supply tank pressure to 13" w.c. (maximum).  
WARNING: INSTALLED DECORATIVE  
GLASS DOOR ENCLOSURES MUST BE  
FULLY OPENED WHEN OPERATING THIS  
DUAL-LISTED GAS APPLIANCE.  
WARNING: CONNECTING DIRECTLY TO  
ANUNREGULATEDPROPANETANKMAY  
CAUSE AN EXPLOSION.  
Any outside air ducts and/or ash dumps that  
are part of the original solid fuel burning fire-  
placesystemmustbefullyclosedandsealedat  
the time of installation of this Dual-Listed gas  
appliance.  
The pressure should be checked with the gas  
appliance burning and the control set to high.  
The appliance gas inlet connection is ³⁄₈" NPT  
at the regulator/valve, located on the left side  
facing the appliance. If a right side connection  
is required, the connection pipe may be piped  
undertherearoftheappliancetoendattheleft  
hand side for connection to the inlet.  
Manual Valve  
WARNING: SPECIAL CARE IS REQUIRED  
IF YOU ARE INSTALLING THE UNIT INTO  
ASUNKENFIREPLACE.YOUMUSTRAISE  
THE FIREPLACE FLOOR TO ALLOW AC-  
CESSTOGASLOGCONTROLS.THISWILL  
INSURE ADEQUATE AIR FLOW AND  
GUARD AGAINST SOOTING. RAISE THE  
FIREPLACEFLOORUSINGNONCOMBUS-  
TIBLE MATERIALS.  
When tightening up the joint to the regulator  
hold the regulator securely with a wrench to  
prevent the regulator from moving.  
Checking Gas Connections  
Secure all joints tightly using appropriate  
tools and sealing compounds (ensure pro-  
pane resistant compounds are used in  
propane applications).  
Manifold Pressure  
Millivolt Valve  
A qualified gas appliance installer must install  
this appliance.  
Turn on gas supply and test for gas leaks,  
using a gas leak test solution (also referred to  
as bubble leak solution).  
Check gas type: The gas supply must be the  
same as stated on the appliances rating  
plate. If the gas supply is different, DO NOT  
INSTALL the appliance. Contact your dealer  
for the correct model.  
Note: Using a soapy water solution (50% dish  
soap, 50% water) is an effective leak test  
solution but it is not recommended, because  
the soap residue that is left on the pipes/  
fittings can result in corrosion over time.  
Never use an open flame to check for leaks.  
Step 1. Placement of Appliance Center the  
appliance in the fireplace or firebox. Make  
certain the grate front feet sit inside the front  
edge of the fireplace or firebox, and that there  
is adequate clearance around the appliance for  
access and operation.  
Inlet Pressure  
Manifold Pressure  
Figure 8  
A. Light the appliance (refer to the lighting  
instructions label in the control compartment  
or in the Homeowner's Care and Operation  
Instructions).  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
6
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The pressure regulator on manual models is  
preset and locked to avoid tampering. If the  
pressure is not as specified in the Technical  
Details Chart on page 10, replace the regulator  
with P/N 110353 for natural gas and P/N  
120341 for propane (L.P.G.) heaters.  
Grate Base  
A
Replace the test point plug after pressure  
measurement ensuring no gas leaks.  
Grate Bar  
Front Log  
Manual Log Set  
Unitized Log Set  
Step 4. Placing the Logs  
B
WARNING: DO NOT ADD EXTRA LOGS OR  
ORNAMENTSSUCHASPINECONES,VER-  
MICULITEORROCKWOOL. USINGTHESE  
ADDED ITEMS CAN CAUSE SOOTING.  
WARNING: DO NOT PLACE ANY LAVA  
ROCKONLOGSORBURNERS.THISMAY  
CAUSE SOOTING. ONLY PLACE LAVA  
ROCK ON FLOOR OF FIREPLACE.  
Millivolt Log Set  
Figure 10  
Twig Pins  
The heater has a unitized base, a front log and  
a top twig. It is important to follow the  
instructionstoplacethelogsproperlyoverthe  
burner assembly.  
Unitized Log Set Must  
Lay Flat On Grate Base  
C
WARNING: FAILURE TO POSITION THE  
PARTS IN ACCORDANCE WITH FIGURE  
10 OR FAILURE TO USE ONLY PARTS  
SPECIFICALLYAPPROVEDWITHTHISAP-  
PLIANCE MAY RESULT IN PROPERTY  
DAMAGE OR PERSONAL INJURY.  
1. Place the front log as shown in Figure 9 (A).  
Position the front log so it fits between the  
burner and the front grate bars, resting com-  
pletely on the grate base.  
2. Place the unitized log set over the burner  
assembly as shown in Figure 9 (B). Be sure  
the unitized log set is against the sides of the  
burner and is resting down completely over  
the grate.  
Periodically check the positioning of all logs.  
D
Flame Appearance  
REFER TO THE OPERATING INSTRUCTIONS  
LOCATED AT THE BACK OF THIS MANUAL  
BEFORE LIGHTING THE APPLIANCE TO OB-  
SERVE THE FLAMES.  
3. When placing the unitized log set over  
the burner assembly and resting it against  
the sides of the burner, make sure the bot-  
tom of the log set sits down completely over  
the grate as shown in Figure 9 (C).  
Flames from the pilot burner should be visu-  
ally checked as soon as the appliance is in-  
stalled. In addition a periodic visual check of  
the flames should be made. The pilot flame  
should always be present when the appliance  
is in operation (Figure 11 ).  
4. Place and lock the top twig over the twig  
pins as shown in Figure 9 (D).  
Top Twig  
E
5. For an optimum flame, be sure that the  
unitized log set rests against the burner at the  
two places shown in Figure 9 (E).  
WARNING: NO ADJUSTMENTS ARE TO  
BE MADE TO THE ODS PILOT SYSTEM.  
TAMPERING WITH THIS SYSTEM CAN  
BE EXTREMELY HAZARDOUS.  
Unitized Log Set Must Be Placed Against Burner Bracket  
At These Two Places  
Figure 9  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
7
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Propane Pilot Shown  
Figure 11  
An incorrect pilot flame pattern is shown in  
Figure 12. This pilot flame will cause the  
thermocouple to cool. When the thermocouple  
cools, the log set will shut off. If pilot flame  
pattern is incorrect, or if log set shuts off,  
contact your service technician.  
Figure 13  
Propane Pilot Shown  
Remove the log set, gently handling at each  
end. Use a vacuum cleaner to remove loose  
particles from the base and from around the  
burners. Gloves are recommended to prevent  
the fibers from pricking your skin. If the skin is  
pricked, wash gently with soap and water.  
Replace the log set.  
OPERATION AND CARE OF YOUR  
APPLIANCE  
1. Appliance operation may be controlled  
through the ON/OFF unit rocker switch, located  
in the bottom front of the appliance, or through  
a remotely located optional wall switch or wall  
thermostat (Millivolt models only).  
If, after a period of use, the flames start to  
exhibit unusual shapes and behavior, if there  
is any evidence of soot formation, blue tipping  
of the flames, or any strong odors, or the  
burners fail to ignite smoothly, then the burner  
holes may require some cleaning. If this hap-  
pens, it is preferable to contact your nearest  
authorized service technician to get the appli-  
ance serviced.  
2. When lit for the first time, the appliance will  
emit an odor for an hour or two. This is due to  
the “burn-in” of the internal paints and lubri-  
cants used in the manufacturing process. For  
the first few hours, operate the appliance with  
doors and windows open to encourage the  
dissipation of odor.  
Figure 12  
In normal operation, at full rate, after 15 min-  
utes the following flame appearance should be  
observed:  
CLEANING AND SERVICING  
Burner And Flame Characteristics  
REPLACEMENT PARTS  
WARNING:TURNOFFTHEAPPLIANCEAND  
ALLOW TO COOL BEFORE CLEANING.  
The Serene Heat Gas Log Set features a new  
concept in integrated burner and log design.  
The flames from the burner travel horizontally  
through the log set and emerge at the knot  
holes.  
An expanded view of the appliance with num-  
beredpartsandapartslistcanbefoundonpages  
16 through 19. All parts should be ordered  
through your distributor or dealer. Parts will be  
shipped at prevailing prices at time of order.  
CAUTION: YOU MUST KEEP CONTROL AR-  
EAS, BURNERS AND CIRCULATING AIR PAS-  
SAGEWAYSOFAPPLIANCECLEAN. INSPECT  
THESE AREAS OF APPLIANCE BEFORE EACH  
USE. HAVE APPLIANCE AND CHIMNEY (IF  
APPLICABLE) INSPECTED YEARLY BY A  
QUALIFIED SERVICE PERSON. APPLIANCE  
MAY NEED MORE FREQUENT CLEANING DUE  
TOEXCESSIVELINTFORMCARPETING,BED-  
DING MATERIAL, ETC.  
The flames are slightly blue off the burner and as  
theyprogressthroughthelogset,theychangeto  
alightyellowcolor. Yellowdecorativeflamesare  
visible as the flames exit the log set.  
When ordering repair parts, always give the  
following information:  
1. The model number of the appliance.  
2. The serial number of the appliance.  
3. The part number.  
4. The description of the part.  
5. The quantity required.  
When the log set is first lit, the flame may be  
entirely blue. Light yellow flame will form at  
the top of the logs after several minutes of  
operation.  
Only limited cleaning will be required under the  
normal use of the appliance. Dust the front  
grate, the top of the piezo cover and the control  
knoboccasionally.Donotusecleaningfluidsto  
cleanthelogsoranyotherpartoftheappliance.  
6. The installation date of the appliance.  
The base of the log set and the underside of the  
top log glows a brilliant red. For an example of  
the log set, see Figure 13.  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
8
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If you encounter any problems or have any  
questions concerning the installation of this  
dual-listed gas appliance, please contact your  
distributor. For the name of your nearest  
distributor contact:  
Deluxe Remote Control System  
(Model RC-STAT)  
ACCESSORY COMPONENTS  
The Model RCL-T (Deluxe) Remote Control  
System has all of the features of the standard  
system along with an added easy to read LCD  
screen which presents access to many en-  
hancements, including; battery power level  
indicator, timer, mode of operation, thermo-  
static display including room temperature in  
either metric of English units, flame indicator  
and clock. Fully programmable, the Model  
RCL-T allows for virtual command over nearly  
all operational and temperature variables, us-  
ing the hand held remote control transmitter.  
LENNOX HEARTH PRODUCTS  
1110 West Taft Avenue  
Orange, CA 92865  
ACCESSORY COMPONENTS  
(Millivolt Models Only)  
Remote Control System  
Standard  
All options are available in kit form, are easy to  
install and are packaged complete with all re-  
quired parts and instructions. Some of the  
option kits need to be fitted prior to completing  
the installation of the appliance. The following  
paragraphs detail the kit options available.  
H0249  
RCL  
The Model RCL-T (Deluxe) remote control  
system is installed in the same manner as the  
standard system, may be operated with elec-  
tronic and millivolt systems with either natural  
or propane gas. The RCL-T comes complete  
with detailed operating instructions.  
Theappliancescoveredinthismanualareheater  
rated and produce a great deal of heat. Decora-  
tive brass trim pieces and hoods may tarnish  
because of their proximity to the heater opening  
and front face. Tarnishing of these pieces is  
normal, unavoidable and should be expected.  
Wall Thermostat Kit*  
A wall thermostat kit is available for use with  
these appliances. The wall thermostat is de-  
signed to be wired directly to the appliance  
millivolt gas control circuit and provide auto-  
matic On/Off control of the appliance to main-  
tain a desired temperature within the room.  
Standard Remote Control System  
(Model RCL)  
Remote Control System  
Deluxe  
H0251  
RCL-T  
FWTK  
FWSK  
The Model RCL (Standard) Remote Control  
System, features a simplistic on/off control  
function for the fireplace. This model includes  
a hand-held transmitter, a remote receiver  
with wall-mount coverplate and all hardware  
required to install the unit. The remote re-  
ceiver can be wall or hearth mounted.  
Wall Switch Kit*  
An optional wall switch kit can be installed  
along with all vent-free appliances. The kit  
consists of a standard UL wall switch with  
cover plate. This kit provides for remote (wall)  
operation of the appliance. Replace the wall  
switch and cover plate of this kit with the  
components of the RCK and you can have true  
remote control of your vent-free appliance,  
turning it on and off from your favorite easy  
chair. The wall switch kit should be installed  
along with the appliance.  
The transmitter has ON and OFF functions that  
are activated by pressing either button on the  
face of the transmitter. When a button on the  
transmitter is pressed, a signal light illumi-  
nates briefly to verify that a signal has been  
sent.  
Thermostat  
89L36  
The Model RCL is designed to operate with all  
millivolt ignition systems, as well as electronic  
ignition systems. It may be installed with use  
for either natural or propane gas appliances.  
The RCL offers ease of installation and allows  
you to execute on-off commands to the log set  
effortlessly with one simple motion.  
*Use 18GA, solid two conductor wire to con-  
nect these kits to the appliance.  
Wall Switch Kit  
85L87  
The Model RCL comes complete with detailed  
operating instructions.  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
9
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THERMOPILE  
PILOT (O.D.S.)  
ASSEMBY  
MILLIVOLT VALVE  
WHITE  
RED  
OFF  
IGNITION  
WIRE  
WHITE  
BLACK  
OPTIONAL  
REMOTE CONTROL  
(MILLIVOLT)  
ON  
ON/OFF SWITCH  
AND PILOT IGNITOR  
MILLIVOLT WIRING DIAGRAM  
VENTED/UNVENTED GAS LOG APPLIANCE TECHNICAL CHART FOR MILLIVOLT LOG SET  
BTU/HR  
Input  
Regulator  
Pres. Setting  
Gas Inlet  
Pressure*  
Valve  
Model No.  
Gas Type  
Ignition  
Operation Orifice Size  
SHGL - 18VN-R  
36,000  
24,000  
36,000  
24,000  
39,000  
28,000  
39,000  
29,000  
Natural  
Piezo  
1.6 – 3.5" w.c.  
6.3 – 10.0" w.c.  
1.6 – 3.5" w.c.  
6.3 – 10.0" w.c.  
Max. 10.5" w.c.  
Min. 5.0" w.c.  
Max. 13" w.c.  
Min. 11" w.c.  
Max. 10.5" w.c.  
Min. 5.0" w.c.  
Max. 13" w.c.  
Min. 11" w.c.  
Millivolt  
Millivolt  
Millivolt  
Millivolt  
0.113  
0.069  
0.119  
0.072  
SHGL - 18VP-R  
SHGL - 24VN-R  
SHGL - 24VP-R  
Propane/LPG  
Natural  
Piezo  
Piezo  
Piezo  
Propane/LPG  
* For the purpose of input adjustment.  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
10  
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PILOT ASSY  
MANUAL VALVE  
IGNITION  
WIRE  
CONTROL KNOB  
AND PILOT IGNITOR  
MANUAL WIRING DIAGRAM  
VENTED/UNVENTED GAS LOG APPLIANCE TECHNICAL CHART FOR MANUAL LOG SET  
BTU/HR  
Input  
Regulator  
Pres. Setting  
Gas Inlet  
Pressure*  
Valve  
Model No.  
Gas Type  
Ignition  
Operation Orifice Size  
SHGL - 18MN-R  
36,000  
25,000  
36,000  
27,000  
39,000  
26,000  
39,000  
31,000  
Natural  
Piezo  
3.5" w.c.  
10.0" w.c.  
3.5" w.c.  
10.0" w.c.  
Max. 10.5" w.c.  
Min. 5.0" w.c.  
Max. 13" w.c.  
Min. 11" w.c.  
Max. 10.5" w.c.  
Min. 5.0" w.c.  
Max. 13" w.c.  
Min. 11" w.c.  
Manual  
Manual  
Manual  
Manual  
0.126  
0.071  
0.136  
0.074  
SHGL - 18MP-R  
SHGL - 24MN-R  
SHGL - 24MP-R  
Propane/LPG  
Natural  
Piezo  
Piezo  
Piezo  
Propane/LPG  
* For the purpose of input adjustment.  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
11  
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OPERATING INSTRUCTIONS MANUAL CONTROL MODELS  
FOR YOUR SAFETY READ BEFORE LIGHTING  
WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION MAY  
RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.  
A. This heater has a pilot which must be lit by hand. When  
Immediately call your gas supplier from a neighbor’s  
lighting the pilot, follow these instructions exactly.  
phone. Follow the gas supplier’s instructions.  
B. BEFORE OPERATING smell all around the heater area for gas.  
Be sure to smell next to the floor because some gas is heavier  
than air and will settle on the floor.  
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, do  
not try to repair it, call a qualified service technician. Forced or  
attempted repair may result in a fire or explosion.  
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.  
D. Do not use this heater if any part has been under water.  
Immediately call a qualified service technician to inspect the  
appliance and to replace any part of the control system and any  
gas control which has been under water.  
LIGHTING INSTRUCTIONS  
1. Stop! Read the safety information above.  
8. With the control knob pressed in, push in and release the  
piezo igniter button to light the pilot.  
2. Make sure manual shut-off valve is fully open.  
3. Refer to Figure 14 to locate gas control knob and piezo.  
9. Hold the control knob in for a further 10 seconds to prevent  
the flame failure detector from shutting off the gas while the  
probe is warming up.  
4. Depress control knob in and turn clockwise  
to the  
“OFF” position (Figure 15 ).  
10. Release the control knob while turning counterclockwise  
to the preferred setting.  
5. Wait 5 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 do not smell gas, go to the  
next step.  
If the knob does not pop out when released, stop and  
immediately call your service technician or gas supplier.  
If the pilot will not stay lit after several tries, depress and  
6. The pilot is located on the right side in front of the burner  
turn the gas control knob clockwise  
to “OFF”  
(Figure 16 ).  
and wait 30 seconds. Depress and turn knob counter-  
clockwise to “IGN” and press igniter button  
7. Depress control knob in and turn counterclockwise  
to the “IGN” position (Figure 17 ). Press the control knob all  
the way in for 5 seconds.  
again. If your pilot does not relight depress and turn  
control knob clockwise  
service technician or gas supplier.  
to “OFF” and call your  
Note: If you are running the heater for the first time it will be  
necessary to press the control knob all the way in for 30  
seconds to allow air to bleed out of the gas piping.  
11. Wait 30 seconds before readjusting the heater when the  
control knob has been turned down to a lower setting.  
TO TURN OFF GAS TO APPLIANCE  
to the “OFF”  
1. Depress and turn control knob clockwise  
position (Figure 17 ).  
MANUAL MATCH LIGHTING PROCEDURE EMERGENCY ONLY  
1. If the pilot cannot be lit with the piezo igniter, the heater can be  
3. Light the match and hold the flame to the end of the pilot and  
manually lit with a match.  
ignite the pilot.  
2. With the right hand, depress and turn the control knob  
4. Continue to hold control knob for an additional 10 seconds to  
counterclockwise  
knob.  
to the “IGN” position. Hold in the  
insure pilot remains lit.  
5. Release the control while turning control knob to desired  
setting.  
12  
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Pilot  
Gas Control Knob Location  
Pilot Location  
Figure 14  
Figure 16  
O
F
F
O
F
F
W
O
N
W
O
L
G
I
L
H
I
Turn Control Knob to OFFPosition (Manual)  
Turn Control Knob to IGNPosition (Manual)  
Figure 17  
Figure 15  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
13  
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LIGHTING INSTRUCTIONS MILLIVOLT  
FOR YOUR SAFETY READ BEFORE LIGHTING  
WARNING: IF YOU DO NOT FOLLOW THESE INSTRUCTIONS EXACTLY, A FIRE OR EXPLOSION  
MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.  
A. This appliance has a pilot which must be lighted with a piezo  
ignitor. When lighting the pilot, follow these instructions  
exactly.  
Do not use any phone in your building.  
Immediately call your gas supplier from a neighbor’s phone.  
If your gas supplier cannot be reached, call the fire depart-  
ment.  
B. BEFORE OPERATING 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.  
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,  
do not try to repair it, call a qualified service technician.  
Force or attempted repair may result in a fire or an explosion.  
WHAT TO DO IF YOU SMELL GAS  
Extinguish any open flame.  
Open windows.  
Do not light any appliance.  
Do not touch any electrical switches.  
D. Do not use this appliance if any part has been under water.  
Immediately call a qualified service technician to inspect the  
appliance and to replace any part of the control system and  
any gas control which has been under water.  
LIGHTING INSTRUCTIONS  
1. STOP! Read the safety information above on this page.  
2. Access the lower control compartment.  
3. Turn remote wall switch to “OFF.”  
6. Wait five (5) minutes to clear out any gas. If you then smell  
gas, STOP! Follow “B” in the safety information above on  
this page. If you do not smell gas, go to the next step.  
7. Push in gas control knob slightly and turn counterclockwise  
to “PILOT.”  
4. Verify main line shut-off valve is open.  
8. Push in control knob all the way and hold in. Immediately  
light the pilot by triggering the spark ignitor (pushing the  
button) until pilot lights. Continue to hold the control knob in  
for about 1 ¹⁄₂ minutes after the pilot is lit. Release knob and  
it will pop back up. Pilot should remain lit. If it goes out,  
repeat steps 5 through 8.  
5. Push in gas control knob slightly and turn clockwise  
to “OFF.”  
O U T  
I N  
If knob does not pop up when  
released, stop and immediately  
call your service technician or  
gas supplier.  
F
O
P
I
O
T
O
N
P
I
L
T
If pilot will not stay lit after several  
tries, turn the control knob to “OFF”  
and call your service technician or  
gas supplier.  
Note: Knob cannot be turned from “PILOT” to “OFF”  
unless the knob is pushed in slightly. Do not force.  
9. Turn gas control knob counterclockwise  
to “ON.”  
10. Close lower control compartment.  
TO TURN OFF GAS TO APPLIANCE  
1. Turn remote wall switch “OFF.” The pilot will remain lit for  
4. Depress gas control knob slightly and turn clockwise  
normal service.  
to “OFF.” Do not force.  
2. For complete shutdown, turn remote wall switch to “OFF.”  
5. Close lower control compartment.  
3. Access the lower control compartment.  
14  
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VENTED/UNVENTED TROUBLESHOOTING GUIDE  
OBSERVED PROBLEM  
POSSIBLE CAUSE  
A. Igniter electrode positioned wrong.  
B. Igniter electrode broken.  
REMEDY  
1. When igniter button is  
pressed, there is no spark  
at ODS/pilot.  
Replace igniter.  
Replace igniter.  
C. Igniter electrode not connected to igniter cable.  
D. Igniter cable pinched or wet.  
Reconnect igniter cable.  
Free igniter cable if pinched by any metal or tubing. Keep igniter cable dry.  
Tighten nut.  
E. Piezo igniter nut is loose.  
F. Broken igniter cable.  
Replace igniter cable.  
G. Bad piezo igniter.  
Replace piezo igniter.  
2. Heater produces unwanted  
A. Heater burning vapors from paint, hair spray, glues, etc.  
B. Gas leak. See Warning statement on the front page.  
A. Not enough fresh air is available.  
B. Low line pressure.  
Ventilate room. Stop using odor-causing products while fireplace is running.  
Locate and correct all leaks.  
odors.  
3. Heater shuts off in use  
Open window and/or door for ventilation.  
Contact local gas company.  
(ODS operates).  
C. ODS/pilot is partially clogged.  
Clean ODS/pilot.  
4. Gas odor even when control  
A. Gas leak. See Warning statement on the front page.  
B. Control valve defective.  
Locate and correct all leaks (see Checking Gas Connections, page 6).  
Replace control valve.  
knob is in “OFF” position.  
A. Gas supply turned off or manual shut-off valve closed.  
B. Control knob not in “PILOT” position.  
C. Control knob not pressed in while in “PILOT” position.  
D. Air in gas lines when installed.  
Turn on gas supply or open manual shut-off valve.  
Turn control knob to pilot position.  
Press in control knob while in pilot position.  
5. When igniter button is  
pressed, there is spark at  
ODS/pilot, but no ignition.  
Continue holding down control knob. Repeat igniting operation until air is  
removed.  
E. ODS/pilot is clogged.  
Replace ODS/pilot assembly or get it serviced.  
Replace gas regulator.  
F. Gas regulator setting is not correct.  
A. Control knob not fully pressed in.  
B. Control knob not pressed in long enough.  
C. Manual shut-off valve not fully open.  
D. Thermocouple connection loose at control valve.  
6. ODS/pilot lights, but flame  
goes out when control knob  
is released.  
Press in control knob fully.  
After ODS/pilot lights, keep control knob pressed in 30 seconds.  
Fully open manual shut-off valve.  
Hand tighten until snug, then tighten ¹⁄₄ turn more.  
E. Pilot flame not touching thermocouple, which allows  
thermocouple to cool, causing pilot flame to go out. This  
problem could be caused by one or both of the following:  
1). Low gas pressure  
1). Contact local gas company.  
2). Replace ODS/pilot assembly or get pilot serviced.  
2). Dirty or partially clogged ODS/pilot  
F. Thermocouple damaged.  
Replace thermocouple.  
G. Control valve damaged.  
Replace control valve.  
7. Burner does not light after  
A. Burner orifice is clogged.  
Clean burner or replace burner orifice.  
Replace burner orifice.  
ODS/pilot is lit.  
B. Burner orifice diameter is too small.  
C. Inlet gas pressure is too low.  
A. Manifold pressure is too low.  
B. Burner orifice is clogged.  
Contact local gas company.  
Contact local gas company.  
Clean burner or replace burner orifice.  
Clean burner or replace burner orifice.  
Replace burner.  
8. Delayed ignition of burner.  
9. Burner backfiring during  
A. Burner orifice is clogged or damaged.  
B. Burner damaged.  
combustion.  
C. Gas regulator defective.  
Replace gas regulator.  
10. Slight smoke or odor during  
A. Vapors from paint or curing process of logs.  
Problem will stop after a few hours of operation. Superior recommends  
running the heater with the excess ventilation for the first few hours.  
initial operation.  
11. Heater produces a whistling  
A. Turning control knob to “HI” position when burner is cold.  
Turn control knob to “LO” position and let warm up for a minute.  
noise when burner is lit.  
B. Air in gas line.  
Operateburneruntilairisremovedfromline.Havegaslinecheckedbylocalgas  
company.  
C. Dirty or partially clogged burner orifice.  
Clean burner or replace burner orifice.  
15  
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REPLACEMENT PARTS LIST (MILLIVOLT)  
18N/18P  
24N/24P  
Part No.  
No.  
1.  
Description  
Part No.  
H1203  
901917  
H1679  
H1680  
H1681  
H1196  
10K86  
Valve, Millivolt (Natural)  
Valve, Millivolt (Propane, L.P.G.)  
Base Log Assembly  
Front Log (Separate)  
Twig  
H1203  
901917  
H1682  
H1683  
H1684  
H1196  
10K86  
2.  
3.  
4.  
5.  
6.  
7.  
Burner  
Piezo Ignitor  
Pilot, Millivolt (Natural)  
Pilot, Millivolt (Propane, L.P.G.)  
Orifice, Burner (NG) 0.113 and 0.119  
Orifice, Burner (LP) 0.069 and 0.072  
Air Shutter (Natural)  
Air Shutter (Propane)  
Knob Extension, On/Off  
Knob Extension, Hi/Lo  
On/Off Switch  
110344  
901915  
99K77  
110344  
901915  
H1210  
H1209  
102720A  
102720C  
69J74  
8.  
9.  
H1213  
102720A  
102720B  
69J74  
10.  
11.  
12.  
13.  
69J95  
69J95  
27K30  
27K30  
Piezo Ignitor Cable  
110361  
110361  
16  
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REPLACEMENT PARTS (MILLIVOLT)  
2
3
4
13  
1
7
9
(Propane Pilot Shown)  
5
8
6
10  
11  
12  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
17  
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REPLACEMENT PARTS LIST (MANUAL)  
18N/18P  
Part No.  
24N/24P  
Part No.  
No.  
1.  
Description  
Valve, Manual (Natural)  
Valve, Manual (Propane, L.P.G.)  
Base Log Assembly  
Front Log (Separate)  
Twig  
H1214  
H1214  
H1319  
H1682  
H1683  
H1684  
H1196  
10K86  
H1319  
H1679  
H1680  
H1681  
H1196  
10K86  
2.  
3.  
4.  
5.  
6.  
7.  
Burner  
Piezo Ignitor  
Pilot, Manual (Natural)  
Pilot, Manual (Propane)  
Gas Regulator (Natural)  
Gas Regulator (Propane)  
Orifice, Burner (NG) 0.126 and 0.136  
Orifice, Burner (LP) 0.071 and 0.074  
Air Shutter (Natural)  
Air Shutter (Propane)  
Knob, On/Off  
H1201  
120341  
110353  
110352  
H1211  
H1354  
102720A  
102720B  
110401  
110361  
H1201  
120341  
110353  
110352  
H1212  
H1355  
102720A  
102720C  
110401  
110361  
8.  
9.  
10.  
11.  
12.  
Piezo Ignitor Cable  
18  
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REPLACEMENT PARTS (MANUAL)  
2
3
4
1
7
10  
9
(Propane Pilot Shown)  
5
8
6
12  
11  
NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.  
19  
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Lennox Hearth Products reserves the right to make changes at any time, without notice, in  
design, materials, specifications, pricesandalsotodiscontinuecolors, stylesandproducts.  
Consult your local distributor for fireplace code information.  
Printed in U.S.A. © 2004 by Lennox Hearth Products  
1110 West Taft Avenue  
Orange, CA 92865  
P/N 850,021M REV. B 03/2007  
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