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Napoleon GSS48 - User Manual

Napoleon GSS48
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www.napoleongrills.com
1
EN
FR
PG.37
APPLY SERIAL NUMBER LABEL FROM CARTON
Serial No.
XXXXXX000000
MODEL NO.
INSTALLER: LEAVE THIS MANUAL WITH THE APPLIANCE.
CONSUMER: RETAIN THIS MANUAL FOR FUTURE REFERENCE.
DANGER
IF YOU SMELL GAS:
• Shutogastotheappliance.
• Exnguishanyopename.
• Ifodorconnues,keepawayfromthe
applianceandimmediatelycallyourgas
supplierorredepartment.
DANGER! CARBON MONOXIDE HAZARD
Thisappliancecanproducecarbonmonoxide,whichhasnoodor.Usingitinan
enclosedspacecankillyou.Neverusethisapplianceinanenclosedspacesuchasa
camper,tent,carorhome.
OUTDOOR GAS FIREPLACE
GSS48 / GSS48ST
427-O-02b-5
WARNING!ForOutdoorUseOnly.
N415-0270 NOV 19.13
WARNING!
• Hotglasswillcauseburns.
• Donottouchglassunlcooled.
• Neverallowchildrentotouchglass.
NOTE!LEDLightinstruconsarelocatedonpage23.
WARNING
Donottrytolightthisappliancewithout
readingthe“LIGHTING”instruconssecon
ofthismanual.
Donotstoreorusegasolineorother
ammableliquidsorvaporsinthevicinityof
thisoranyotherappliance.AnL.P.cylinder
notconnectedforusemustnotbestoredin
thevicinityofthisoranyotherappliance.
Iftheinformaonintheseinstruconsis
notfollowedexactly,areorexplosionmay
result,causingpropertydamage,personal
injuryordeath.
Napoleon Appliance Corp.,
214 Bayview Dr., Barrie, Ontario, Canada L4N 4Y8 Phone: 1-705-726-4278 Fax: (705)725-2564
www.napoleongrills.com
Customer service: 1-866-820-8686 or wecare@napoleonproducts.com

Table of Contents

Other manuals for Napoleon GSS48

Preview: Manual
Manual72 pages

Questions and Answers

  • M
    Michael LindseyAug 17, 2025
    Why is my Napoleon GSS48 Outdoor Fireplace burner output too low on high?
    • A
      Amanda PottsAug 17, 2025
      A low burner output on the 'high' setting with a rumbling noise and full blue flame can be due to several reasons: * Low gas level in the propane cylinder. * A pinched supply hose. * A dirty or clogged burner orifice. * Spider webs or other obstructions in the venturi tube. * The propane regulator being in a 'low flow' state. To resolve this, check the gas level, reposition the supply hose, clean the burner orifice and venturi tube. Also, ensure the lighting procedure is followed carefully: all valves must be off when the tank valve is turned on, and the tank should be turned on slowly to allow pressure to equalize.
  • M
    Meghan BrownAug 20, 2025
    What to do if my Napoleon GSS48 burner will not stay lit?
    • M
      Mackenzie CoxAug 20, 2025
      If the burner of your Napoleon Outdoor Fireplace won't stay lit after releasing the control knob, here's what you can check: 1. Ensure you're holding the knob in long enough (30 seconds) after the burner lights to allow the thermocouple to heat up. 2. Check for excessive wind (over 10mph), and relocate the unit if needed. 3. Inspect the ignition area for glass or debris, ensuring the small hole below the thermocouple is unobstructed. 4. Clean the thermocouple and its connection to the valve, making sure the connection is properly tightened. 5. If the issue persists, the thermocouple or valve may need to be replaced.
  • A
    Aaron JohnsonAug 23, 2025
    Why is the flame yellow with gas smell in my Napoleon Outdoor Fireplace?
    • C
      Christopher MarquezAug 23, 2025
      A yellow flame accompanied by the smell of gas in your Napoleon Outdoor Fireplace usually indicates the presence of obstructions, such as spider webs or other debris, within the burner venturi. To fix this, thoroughly clean the burner venturi, referring to the general maintenance instructions.
  • J
    Joseph JonesAug 26, 2025
    How to fix low heat or flame on my Napoleon Outdoor Fireplace?
    • A
      aaronbakerAug 26, 2025
      If you're experiencing low heat or a low flame on your Napoleon Outdoor Fireplace when the valve is turned to high, the cause may be an improper lighting procedure (for propane) or an undersized supply line (for natural gas). Ensure the lighting procedure is carefully followed, with the valve in the off position when the tank valve is turned on, and the tank turned on slowly to allow pressure to equalize. For natural gas, the pipe must be sized according to the installation code.
  • J
    Jordan DiazAug 28, 2025
    What to do if Napoleon GSS48 burner won't light with igniter?
    • J
      Joseph StoneAug 28, 2025
      If your Napoleon Outdoor Fireplace burner lights with a match but not with the igniter, the issue could be a dead or incorrectly installed battery. It could also be a loose electrode wire or switch terminal wires, or an improper gap at the electrode tip. Replace the battery with a heavy-duty one, check that the electrode wire and lead wires are firmly pushed onto their terminals, and adjust the gap at the electrode tip by bending it until a spark is achieved.
  • K
    knightmelissaAug 31, 2025
    Why is my Napoleon Outdoor Fireplace regulator humming?
    • L
      lindawagnerAug 31, 2025
      A humming regulator on your Napoleon Outdoor Fireplace is a normal occurrence on hot days. It's caused by internal vibrations within the regulator and doesn't affect the gas heater's performance or safety. Humming regulators will not be replaced, as this is not a defect.
  • A
    Amy GallagherSep 3, 2025
    What to do if burner output on high is too low on my Napoleon GSS48?
    • C
      clarkgrantSep 3, 2025
      If the burner output on the “high” setting is too low, accompanied by a rumbling noise and a full ring blue flame at the burner surface, it could be due to several reasons. First, check the gas level in your propane cylinder. Also, inspect the supply hose for any pinches and reposition it if necessary. The burner orifice might be dirty or clogged, requiring cleaning. Additionally, the venturi tube could be obstructed by spider webs or other material, so clean it out. Lastly, ensure the lighting procedure is carefully followed, with all valves in the off position when the tank valve is turned on, and the tank turned on slowly to allow pressure to equalize.
  • V
    villarrealkatrinaSep 5, 2025
    What to do if burner will not stay lit on Napoleon GSS48 Outdoor Fireplace?
    • J
      julia08Sep 5, 2025
      If the burner on your Napoleon Outdoor Fireplace won't stay lit after releasing the control knob, ensure the thermocouple has enough time to heat up by holding the knob in for 30 seconds after the burner lights. High winds (greater than 10mph) can also cause the unit to shut down, so relocate to a less windy area. Check for any obstructions like glass or debris in the ignition area of the burner, ensuring the small hole below the thermocouple is clear. Clean the thermocouple and its connection to the valve, making sure the connection is properly tightened. If problems persist, the thermocouple or valve may need to be replaced.
  • A
    April DonaldsonSep 8, 2025
    Why Napoleon GSS48 burners burn with yellow flame?
    • V
      Valerie WilsonSep 8, 2025
      If the burner on your Napoleon Outdoor Fireplace burns with a yellow flame and smells of gas, it's likely due to a spider web or other debris in the burner venturi. To resolve this, thoroughly clean the burner venturi, following the general maintenance instructions.
  • S
    Sarah GouldSep 12, 2025
    How to fix burner that will not light with igniter on Napoleon Outdoor Fireplace?
    • L
      leeryanSep 12, 2025
      If the burner on your Napoleon Outdoor Fireplace will not light with the igniter but lights with a match, first replace the battery with a heavy-duty one, ensuring it's installed correctly. Check that the electrode wire is firmly pushed onto the terminal on the back of the igniter. Also, verify that the lead wires from the module to the ignitor switch (if equipped) are firmly pushed onto their respective terminals. Adjust the gap at the electrode tip by bending it in or out until a spark is achieved.

Summary

Carbon Monoxide Hazard Warning

If You Smell Gas

Steps to take if you detect gas, including shutting off the appliance and contacting your supplier.

Outdoor Use Restriction

Specifies that the appliance is designed and intended for outdoor use only.

Lighting Instructions Precaution

Emphasizes reading lighting instructions before attempting to light the appliance.

Hot Glass Warning

Alerts users that hot glass will cause burns and advises not to touch it until cooled.

Napoleon 5 Year Limited Warranty

Warranty Conditions and Limitations

Details terms, conditions, and limitations for the gas appliance limited warranty.

Installation and Service Safety

Safe Operating Practices

Guidelines for safe operation, including supervision of children and appliance maintenance.

Hot Appliance Burn Hazard

Warns that the appliance is hot and can cause severe burns upon contact.

Appliance Use Restrictions

Prohibits using the appliance for cooking or with solid fuel.

Outdoor Installation Requirements

Mandates outdoor use in a well-ventilated area and prohibits use in enclosed spaces.

Propane Cylinder Storage

Specifies outdoor storage requirements for propane cylinders, including valve caps.

Flammable Materials Warning

Advises against hanging flammable materials on or near the appliance.

Fuel Supply Inspection

Recommends inspecting fuel supply connections for leaks before each use.

Getting Started with Assembly

Location Selection Criteria

Guidance on selecting a safe location considering clearances to combustibles.

Protective Coating Removal

Instructs to remove protective plastic coating from stainless steel parts before use.

Manual Adherence

Emphasizes reading and following all manual instructions before installation or service.

Customer Care Contact

Provides contact information for customer support regarding assembly or parts.

Non-Combustible Enclosure Requirement

GSS48 Dimensions

GSS48 Top View (Without Trim)

Diagram showing top dimensions of the GSS48 model without trim.

GSS48 Front View (Without Trim)

Diagram showing front dimensions of the GSS48 model without trim.

GSS48 Top View (With Trim)

Diagram showing top dimensions of the GSS48 model with trim.

GSS48 Front View (With Trim)

Diagram showing front dimensions of the GSS48 model with trim.

GSS48 ST Dimensions

GSS48 ST Top View (Without Trim)

Diagram showing top dimensions of the GSS48ST model without trim.

GSS48 ST Front View (Without Trim)

Diagram showing front dimensions of the GSS48ST model without trim.

GSS48 ST Top View (With Trim)

Diagram showing top dimensions of the GSS48ST model with trim.

GSS48 ST Front View (With Trim)

Diagram showing front dimensions of the GSS48ST model with trim.

Locating Your Outdoor Fireplace

Enclosure Requirements for Location

Specifies acceptable enclosure types for safe fireplace installation.

Fireplace Installation

Nailing Tab Installation

Instructions on using nailing tabs for flush installation with finished surfaces.

Clearance to Combustibles

Details minimum clearances required from combustibles to prevent fire hazards.

Minimum Enclosure Clearances

Enclosure Material Requirements

Specifies non-combustible materials must be used for finishing the enclosure.

Access to Gas Shut-off Valve

Ensures clear and easy access to the appliance's on/off valve.

Minimum Mantel Clearances

Mantel Temperature Warning

Alerts that mantel temperatures can rise and become hot to the touch.

Mantel Material Recommendation

Recommends using non-combustible materials for mantels.

Recommended Drain Installation

Optional Trim Installation

Trim Compatibility with Facing Material

Details the range of facing material depths compatible with the trim.

Trim Installation Gap Requirement

Specifies a required gap for trim installation to allow access to frame slots.

Gas Hook-Up Instructions

Natural Gas Hook-Up Procedure

Details the connection procedure for natural gas supply.

Gas Supply Line Purging

Instructs to purge the gas supply line of air before initial operation.

Gas Connection Safety Warnings

Highlights critical safety precautions for gas connections, including ignition sources.

Gas Supply Connection Standards

Mandates connecting gas supply according to local and national codes.

Gas Connection Leak Testing

Details the procedure for leak testing gas connections using soap and water.

Conversion to LP Gas

LP Conversion Safety Precautions

Emphasizes performing LP conversion only when the appliance is cool and gas is off.

Glass Embers Handling Safety

Advises wearing safety gear when handling glass embers due to sharp edges.

Licensed Installer for LP Conversion

Stipulates that LP gas conversion must be done by a licensed gas fitter and leak tested.

LP Gas Conversion Steps

Outlines the step-by-step procedure for converting the appliance to propane gas.

LP Conversion Risk Warning

Propane Cylinder Specifications

Details requirements for propane cylinders, including construction and marking.

Approved Propane Cylinder Sizes

Specifies the allowed propane cylinder sizes for use with the appliance.

LP Cylinder Connection Requirements

Details requirements for the LP gas cylinder connection device and valve type.

Regulator and Hose Assembly Usage

Mandates the use of the provided pressure regulator and hose assembly.

Hose Contact Fire Hazard

Warns of fire risk if the gas supply hose contacts the underside of the appliance.

Cylinder Retaining Bracket Installation

Instructions for installing the cylinder retaining bracket to prevent tipping.

Propane Cylinder Connection

Propane Cylinder Connection Cautions

Provides caution notes regarding cylinder valve, hose, and connection assembly.

LP Gas Supply System Enclosures

LP Cylinder Enclosure Ventilation

Specifies ventilation requirements for LP gas cylinder enclosures.

LP Cylinder Valve Accessibility

Ensures cylinder valves are accessible for operation and inspection.

LP Enclosure Ground Clearance

Specifies the minimum ground clearance for LP gas cylinder enclosures.

LP Enclosure Design Considerations

Outlines design requirements for connecting, disconnecting, and testing LP cylinder connections.

LP Cylinder Enclosure Isolation

Details how the enclosure isolates the cylinder from the burner compartment for safety.

Cylinder Mounting and Restraint

Emphasizes mounting the cylinder on a flat surface and restraining it to prevent tipping.

Finishing the Appliance

Glass Ember Installation

Instructions for correctly installing glass embers onto the ember tray.

Appliance Operation Without Embers

Prohibits operating the appliance without glass embers installed.

Glass Ember Handling Safety

Advises wearing safety gear when handling glass embers due to sharp edges.

Optional MKR Rock Installation

Instructions for optionally installing refractory rocks on top of glass embers.

Real Rock Installation Warning

Prohibits the use of real rocks, as heat can cause them to explode.

Lighting Instructions

Appliance Operation in Rain

Advises against using the appliance during rain.

Lighting Safety - Keep Clear

Instructs users to keep face and body away from the burner area during lighting.

Initial Gas Supply Valve Operation

Details the safe procedure for turning on the gas supply valve before lighting.

Burner Lighting and Shutdown Procedure

Provides the complete procedure for lighting and shutting down the appliance burner.

Propane Cylinder Excess Flow Device

Explains the function of the propane cylinder's excess flow device.

Failed Ignition Procedure

Instructs on what to do if the burner fails to light within 10 seconds.

Appliance Operation

Intended Use and Food Preparation

Prohibits using the appliance for unintended purposes or food preparation.

Initial Lighting Procedure

Describes the initial lighting process and expected temporary odor.

High Surface Temperature Hazards

Alerts to hazards of high surface temperatures and child supervision.

Protective Device Reinstallation

Ensures protective devices removed for servicing are replaced before operation.

Qualified Service Personnel

Stipulates that installation and repair must be performed by qualified service personnel.

Pre-Use and Annual Inspection

Recommends inspections before each use and annually, plus regular cleaning.

Operation During Rain

Prohibits operation or splashing liquids on the appliance during rain.

Liquids on Glass Embers

Warns against splashing liquids on hot glass or glass embers.

Level Ground Installation

Ensures the appliance is installed on a level surface for stable operation.

Burner Damage Check

Instructs to inspect the burner before use and replace if damaged.

Hose Assembly Inspection

Recommends inspecting the hose assembly for damage before each use.

Appliance Safety Features

Highlights safety features like the automatic shutdown safety valve.

Appliance Modification Warning

Warns that modifications to the appliance can compromise safety.

Maintenance and Cleaning

LED Light System Operation

Explains the operation and mode selection for the appliance's LED lighting system.

Maintenance Safety - Cool Appliance

Emphasizes performing maintenance only when the appliance is cool and gas is off.

Stainless Steel Care and Cleaning

Provides guidance on cleaning and preventing stains on stainless steel surfaces.

Control Panel Cleaning

Instructions for cleaning the control panel while preserving the printed text.

Hose Inspection and Replacement

Instructs to check the hose for damage and replace if necessary.

Internal Appliance Cleaning

Advises keeping the burner and pilot assembly area dry during internal cleaning.

Gas Control Water Exposure

Warns against using the appliance if the gas control is exposed to water.

Burner Description and Inspection

Spider and Insect Warning

Warns about spiders and insects potentially causing burner issues.

Burner Cleaning Procedure

Outlines the steps for removing and cleaning the appliance burner.

Burner Reinstallation

Outer Appliance Surface Cleaning

Appliance Area Clearances and Airflow

Ensures the appliance area is clear of combustibles and airflow is not obstructed.

Troubleshooting Common Issues

Low Heat or Flame Output

Addresses issues of low heat or flame when the valve is set to high.

Yellow Flame and Gas Smell

Troubleshoots yellow flames and gas smell, often indicating debris or improper gas supply.

Igniter Not Lighting Burner

Addresses issues where the igniter fails to light the burner, but manual lighting works.

Burner Not Staying Lit

Troubleshoots problems with the burner extinguishing after the control knob is released.

Regulator Humming Noise

Explains that regulator humming is a normal occurrence and not a defect.

Low High Setting Burner Output

Addresses situations where the burner output is insufficient even on the high setting.

Ordering Replacement Parts

Warranty Information Record

Provides fields to record model, date of purchase, and serial number for warranty.

Contacting Customer Care

Guides on what information is needed when contacting customer care for claims or parts.

Warranty Exclusions

Lists items and costs that are not covered under the appliance's warranty.

Parts List

GSS48 Parts List

List of parts specific to the GSS48 model.

GSS48 Parts Diagram

Parts List

GSS48 ST Parts List

List of parts specific to the GSS48ST model.

GSS48 ST Parts Diagram

Accessories and Parts Order Form

Notes

Napoleon GSS48 Specifications

General IconGeneral
BrandNapoleon
ModelGSS48
CategoryOutdoor Fireplace
LanguageEnglish

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