Napoleon LEX 730 User Manual (English)

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Questions and Answers:

B
Bobby HooperSep 8, 2025
Why is there excessive flare-ups/ uneven heat on my Napoleon Gas grill?
- J
  Jill CabreraSep 8, 2025
  Excessive flare-ups and uneven heat on your Napoleon Gas grill can occur if sear plates are installed incorrectly, if you aren't preheating it properly, or if there's excessive grease and ash build-up on the sear plates and in the drip pan. Make sure the sear plates are installed with the holes towards the front and the slots on the bottom. Preheat the grill with both main burners on high for 10 to 15 minutes. Clean the sear plates and drip pan regularly, and do not line the pan with aluminum foil.
E
Edwin PierceSep 10, 2025
What to do if the infrared burner (if equipped) flashes back on my Napoleon LEX 730?
- T
  Thomas BoydSep 10, 2025
  If your Napoleon Gas grill's infrared burner flashes back, it could be due to several reasons: ceramic tiles overloaded with grease, clogged ports, overheating from inadequate ventilation (too much of the grill surface covered), cracked ceramic tile, a leaking gasket, or a weld failure in the burner housing. To resolve this: 1. Turn the burner off and let it cool for at least two minutes. 2. Relight the burner and burn on high for at least five minutes, ensuring the ceramic tiles glow evenly red. 3. Make sure that no more than 75% of the grill surface is covered. 4. After cooling, inspect for cracks. If you find any, contact your Napoleon dealer for a replacement burner assembly.
J
jacobjordanSep 12, 2025
Why is the Napoleon Gas grill heat/flame low when the valve is on high?
- M
  Mackenzie WardSep 12, 2025
  Low heat or low flame on your Napoleon Gas grill, even when the valve is turned to high, can be due to a few reasons. If you're using propane, it might be due to an improper lighting procedure. For natural gas, the supply line might be undersized. For both types of gas, improper preheating could be the cause. To address this: * Ensure the lighting procedure is followed carefully, with all gas grill valves in the off position when the tank valve is turned on. Turn the tank on slowly to equalize pressure. Refer to the lighting instructions. * Make sure the pipe is sized according to the installation code. * Preheat the grill with both main burners on high for 10 to 15 minutes.
M
Madison ClarkSep 13, 2025
Why do burners burn with yellow flame and smell of gas on my Napoleon LEX 730?
- A
  April LloydSep 13, 2025
  If the burners on your Napoleon Gas grill are burning with a yellow flame and there's a smell of gas, it could be due to a spider web or other debris blocking the burner, or it could be due to an improper air shutter adjustment. To fix this, thoroughly clean the burner by removing it.

Napoleon LEX 730 Specifications

General

Main Burners	4
Side Burner	Yes
Infrared Rear Burner	Yes
Rotisserie Kit	Included
Grill Material	Stainless Steel
Burners	7
Fuel Type	Propane or Natural Gas
Main Cooking Area	730 square inches
Ignition System	JETFIRE Ignition System
Warranty	Limited Lifetime Warranty

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Napoleon LEX 730 Specifications

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