Napoleon P665NSS - User Manual

Questions and Answers

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Jason GonzalezAug 15, 2025
Why does my Napoleon P665NSS have excessive flare-ups and uneven heat?
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  Michelle PhillipsAug 15, 2025
  Excessive flare-ups and uneven heat in your Napoleon Grill can be caused by several factors: * Sear plates might be installed incorrectly. Ensure they are installed with the holes towards the front and the slots on the bottom. Refer to the assembly instructions. * Improper preheating. Preheat the grill with both main burners on high for 10 to 15 minutes. * Excessive grease and ash build-up on sear plates and in the drip pan. Clean sear plates and the drip pan regularly. Do not line the pan with aluminum foil. Refer to cleaning instructions.
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ryancarlosAug 18, 2025
How to fix low heat or low flame on my Napoleon P665NSS when the valve is on high?
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  Erin ThompsonAug 18, 2025
  Low heat or flame on your Napoleon Grill when the valve is turned to high can be due to several reasons: * **For Propane:** Improper lighting procedure. Ensure the lighting procedure is followed carefully. All gas grill valves must be in the off position when the tank valve is turned on. Turn the tank on slowly to allow pressure to equalize. Refer to the lighting instructions. * **For Natural Gas:** Undersized supply line. The pipe must be sized according to the installation code. * **For Both Gases:** Improper preheating. Preheat the grill with both main burners on high for 10 to 15 minutes.
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Jasmin BryantAug 21, 2025
What to do if the burner output on my Napoleon P665NSS is too low on the 'high' setting?
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  Amanda DicksonAug 22, 2025
  If the burner output on your Napoleon Grill is too low on the 'high' setting, accompanied by a rumbling noise and fluttering blue flame, it could be due to: * Lack of gas. Check the gas level in the propane cylinder. * The supply hose is pinched. Reposition the supply hose as necessary. * Dirty or clogged orifice. Clean the burner orifice. * Spider webs or other material in the venturi tube. Clean out the venturi tube. * Propane regulator in “low flow” state. Ensure the lighting procedure is followed carefully: all gas grill valves must be in the off position when the tank valve is turned on, and the tank should be turned on slowly to allow pressure to equalize. Refer to the lighting instructions.
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Kenneth DavisAug 25, 2025
Why won't the main burner on my Napoleon Grill light with the igniter, but it lights with a match?
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  Jennifer StephensAug 25, 2025
  If the main burner on your Napoleon Grill won't light with the igniter but lights with a match, the jet-fire outlet may be dirty or clogged. Clean the jet-fire outlet with a soft bristle brush.
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Lawrence SmithAug 27, 2025
What causes the rear and side burners on my Napoleon Grill to not light with the igniter but light with a match?
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  Shawn BoydAug 27, 2025
  If the rear and side burners on your Napoleon Grill do not light with the igniter but light with a match, the possible causes are: * Dead battery or battery installed incorrectly. Replace with a premium heavy-duty battery. * Loose electrode wire or switch terminal wires. Check that the electrode wire is firmly pushed onto the terminal on the back of the igniter. Check that the lead wires from the module to the ignition switch (if equipped) are firmly pushed onto their respective terminals. * Lifting flames on the burner. Close the air shutter slightly; see the previous problem description for more details.
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Rebecca BrownAug 30, 2025
Why do the burners on my Napoleon P665NSS Grill burn with a yellow flame and smell of gas?
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  Megan Woods DDSAug 31, 2025
  If the burners on your Napoleon Grill burn with a yellow flame and you smell gas, it could be due to a spider web or other debris, or an improper air shutter adjustment. Thoroughly clean the burner by removing it. A qualified gas installer must open the air shutter slightly according to combustion air adjustment instructions.
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Hannah MyersSep 2, 2025
Why are the flames lifting away from the burner on my Napoleon Grill, accompanied by the smell of gas?
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  danielsmithSep 2, 2025
  If the flames are lifting away from the burner on your Napoleon Grill, accompanied by the smell of gas, it is likely due to an improper air shutter adjustment. A qualified gas installer must close the air shutter slightly according to combustion air adjustment instructions.
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Amanda WrightSep 5, 2025
Why does it look like the 'paint' is peeling inside the lid of my Napoleon Grill?
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  Richard CruzSep 5, 2025
  The 'peeling paint' inside the lid or hood of your Napoleon Grill is not a defect. The finish on the lid and hood is porcelain and will not peel. The peeling is caused by hardened grease, which dries into paint-like shards that flake off. Regular cleaning will prevent this. Refer to the cleaning instructions.
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Lisa AndersenSep 8, 2025
Why won't the burners on my Napoleon P665NSS Grill cross-light each other?
- A
  Alyssa NelsonSep 8, 2025
  If the burners on your Napoleon Grill will not cross-light each other, it is likely due to dirty or corroded cross-light brackets. Clean or replace the brackets as required.
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Tracy OrtizSep 12, 2025
Why do the knob and switch lights on my Napoleon P665NSS Grill blink eight times and then turn off?
- P
  Philip SandersSep 12, 2025
  If the knob and switch lights on your Napoleon Grill blink eight times with 0.5-second intervals and then turn off, the batteries are low. Replace the batteries.

Summary

General Safety Information

Outdoor Use Mandate

This gas grill must be used only outdoors in a well-ventilated space and must not be used inside any enclosed area.

Gas Leak Protocol

Procedure for smelling gas: shut off, extinguish flame, open lid, and call supplier if odor persists.

Operating Warnings

Warning: do not light without reading 'LIGHTING' section and avoid flammable liquids and stored cylinders.

Napoleon Limited Lifetime Warranty

Safe Operating Practices

Assembly and Initial Operation

Ensure correct assembly, perform leak tests, and read manual before operating the grill.

Grill Placement and Environment

Use outdoors in ventilated space; avoid windy settings and combustible materials.

Gas Supply and Cylinder Management

Properly connect and disconnect gas cylinders, store outdoors, and inspect fuel hoses.

Safe Usage Procedures

Follow lighting instructions, keep lid closed during preheating, avoid unattended operation, and supervise children.

General Information and Compliance

Propane Cylinder Requirements

Specifications for propane cylinders, regulators, QCC1 fittings, and OPD devices for safe operation.

Gas Connection Guidelines

Cylinder Connection and Leak Testing

Natural Gas Installation

Leak Testing Instructions

Leak Test Procedure and Safety

Perform annual leak tests using soap and water on all joints, avoiding open flames or sparks.

Addressing Gas Leaks

How to stop leaks by tightening or replacing parts, and when to shut off gas and call a professional.

Lighting Instructions

Main Burner Ignition Process

Step-by-step guide for lighting main burners, including pilot ignition, match use, and wait times.

Rear and Side Burner Lighting

Instructions for igniting rear and optional side burners using igniters or matches.

Critical Burner Operation Warning

Warning: Do not use the rear burner while operating the main burner.

Cooking Instructions

Initial Burn-In and Wind Effects

Main Burner Cooking Techniques

Direct vs. Indirect Cooking Methods

Rotisserie Kit Operation

Infrared Side Burner Operation

Side Burner Placement and Grid Adjustment

Infrared Side Burner Safety Warnings

Infrared Burner Care and Protection

Infrared Grilling Chart

Cleaning Instructions

General Cleaning Safety and Precautions

Cooking Grids Maintenance

Grill Interior Cleaning

Maintenance Instructions

Annual Inspection and Servicing

Combustion Air Adjustment

Burner Maintenance and Spider Prevention

Infrared Burner Protection and Care

Troubleshooting Common Issues

Low Heat and Flame Problems

Flare-Ups and Uneven Heating Solutions

Burner Flame and Gas Smell Issues

Ignition and Burner Lighting Failures

Burner Output and Noise Troubleshooting

Infrared Burner Flashback and Overheating

Ignition System and Lighting Faults

Ordering Replacement Parts and Warranty Claims

Napoleon P665NSS Specifications

General

Type	Gas Grill
Number of Burners	5
Material	Stainless Steel
Burner Material	Stainless Steel
Ignition Type	Electronic
Cooking Area	665 sq in
Ignition System	Jetfire
Fuel Type	Propane
Warranty	President’s Limited Lifetime Warranty