Operation Manual
3
Welcome to Weber
ALWAYS 
HAVE THE 
LATEST AND 
GREATEST
The most recent version of this 
Owner’s Manual can be 
found online.
The grills illustrated in this Owner’s Manual may vary 
slightly from the model purchased.
Installation and Assembly
m DANGER: This grill is not intended to be installed in 
or on recreational vehicles or boats.
m WARNING: Do not use this grill unless all parts 
are in place and the grill was properly assembled 
according to the assembly instructions.
m WARNING: Do not build this model of grill in any 
built-in or slide-in construction.
m WARNING: Do not modify the appliance (grill). Liquid 
propane gas is not natural gas. The conversion or 
attempted use of natural gas in a liquid propane gas 
unit or liquid propane gas in a natural gas unit is 
unsafe and will void your warranty.
• In the United States, installation must conform with 
local codes or, in the absence of local codes, with 
either the National Fuel Gas Code, ANSI Z223.1/
NFPA 54, Natural Gas and Propane Installation Code, 
CSA B149.1; or Propane Storage and Handling Code, 
B149.2; or the Standard for Recreational Vehicles, 
ANSI A119.2/NFPA 1192, and CSA Z240 RV Series, 
Recreational Vehicle Code, as applicable.
• InCanada, the installation of this grill must comply 
with local codes and/or the latest edition of Standard 
CAN/CSA-B149.2 (Propane Storage and Handling 
Code). These instructions, while generally acceptable, 
do not necessarily comply with the Canadian 
installation codes, particularly with piping above and 
below ground.
• In Mexico, if there are local codes that apply to portable 
gas appliances, you must comply with the latest edition 
of Ocial Mexican Standard (NOM).
• If an external electrical source is utilized (such as 
a rotisserie) it must be electrically grounded in 
accordance with local codes or, in the absence of local 
codes, with the National Electrical Code, ANSI/NFPA 
70, or the Canadian Electrical Code, Part 1, CSA C22.1.
Operation
m DANGER: Only use the grill outdoors in a well-
ventilated area. Do not use in a garage, building, 
breezeway, tent, any other enclosed area, or beneath 
overhead combustibleconstruction.
m DANGER: Do not use the grill in any vehicle or in any 
storage or cargo area of any vehicle. This includes, 
but is not limited to, cars, trucks, station wagons, 
mini-vans, sport utility vehicles, recreational 
vehicles, andboats.
m DANGER: Do not use the grill within 24 inches 
(61cm) of combustible materials. This includes the 
top, bottom, back and sides of the grill.
m DANGER: Keep the cooking area clear of flammable 
vapors and liquids such as gasoline, alcohol, etc., 
and combustible materials.
m DANGER: This appliance (grill) must be kept away 
from flammable materials during use.
m DANGER: Do not put a grill cover or anything 
flammable on, or in the storage area under the grill 
while it is in operation or is hot.
m DANGER: Should a grease fire occur, turn o all 
burners and leave lid closed until fire is out.
m WARNING: Accessible parts may be very hot. 
Keepyoung children away.
m WARNING: The use of alcohol, prescription drugs, 
non-prescription drugs, or illegal drugs may impair 
the consumer’s ability to properly and safely 
assemble, move, store, or operate thegrill.
m WARNING: Never leave the grill unattended during 
pre-heating or use. Exercise caution when using this 
grill. The entire cookbox gets hot when in use.
m WARNING: Do not move the appliance (grill) 
duringuse. 
m WARNING: Keep any electrical supply cord and the 
fuel supply hose away from any heated surfaces.
• Do not use charcoal or lava rock in the grill.
Storage and/or Nonuse
m WARNING: Turn o the gas supply at the gas cylinder  
(tank) after use.
m WARNING: LP tanks must be stored outdoors out of 
the reach of children and must not be stored in a 
building, garage, or any other enclosed space.
m WARNING: After a period of storage and/or nonuse, 
the grill should be checked for gas leaks and burner 
obstructions before use.
• Storage of the grill indoors is permissible only if the LP 
tank is disconnected and removed from the grill.
California Proposition 65
m WARNING: Combustion byproducts produced when 
using this product contain chemicals known to the 
state of California to cause cancer, birth defects, or 
other reproductive harm.
m WARNING: Handling the brass material on this 
product exposes you to lead, a chemical known to 
the state of California to cause cancer, birth defects, 
or other reproductive harm. Wash hands after 
handling thisproduct.
TABLE OF CONTENTS
2  Welcome to Weber
  Important SafetyInformation 
4  Product Features
 The GS4™ GrillingSystem
  Genesis® II LX Features
6  Tips and Hints
  The Flame - Direct or Indirect
  Grilling Do's and Don'ts
8  The Weber Promise
  Warranty 
9  Getting Started
  Important Information about LPGas 
& Gas Connections 
  LP Tank Installation & LeakChecking
  Refilling or Replacing an LPTank
13 Operation
  The Very First Time You Grill
  Every Time You Grill
  Igniting the Main Burners
  Igniting the Side Burner
  Grilling at Night
16  Product Care
  Cleaning and Maintenance
18 Troubleshooting
22 Grilling Guide
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