Important Information About Natural Gas; What Is Natural Gas; Natural Gas - The Basics; Piping Specifications - Weber 3200 Owner's Manual

WHAT IS NATURAL GAS?

Natural gas (NG) is often
called methane. Natural
gas is supplied by your local
utility and should be readily
available if your house is
already heated with gas.
NATURAL GAS — THE BASICS
There are various guidelines and safety factors that
you need to keep in mind when using natural gas (NG).
Carefully follow these instructions before using your
Weber gas grill.
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• Your natural gas grill is factory built to operate using
natural gas only. Never attempt to operate your grill
on gases other than the type specified on the grill
rating plates.
• This Weber gas grill is designed for natural gas only.
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Do not use liquid propane (LP) bottled gas. The valves,
orifices and hose are for natural gas only.
• Before using an NG grill, you need to make sure that
the branch supply line from your house to your grill is
properly installed.
• Not for use by children.

PIPING SPECIFICATIONS

Contact your local municipality for building codes regulating
outdoor gas grill installations. In the absence of local
codes, installation must conform to the latest edition of the
National Fuel Gas Code: ANSI Z223.1/NFPA 54, or CAN/
CGA-B149.1, Natural Gas and Propane Installation Code. WE
RECOMMEND THAT THIS INSTALLATION BE DONE BY A
PROFESSIONAL.
Following are some general requirements taken from the
code(s).
• This grill is designed to operate at 7" of water column
pressure (.1444 psi).
• A manual shutoff valve must be installed outdoors,
immediately prior to the quick-disconnect.
• An additional manual shutoff valve should be installed
indoors in the branch fuel line, in an accessible
location near the supply line.
• The quick-disconnect connects to a 3/8" NPT thread
from the gas source. The quick disconnect fitting
is a hand-operated device that automatically shuts
off the flow of gas from the source when the grill is
disconnected.
• The quick-disconnect fitting can be installed
horizontally or pointing downward, but never pointing
upward. Installing it with the open end pointing
upward can result in water and debris collecting in the
quick-disconnect fitting.
• The dust covers (plastic plugs supplied with your
grill) help keep the open ends of the quick-disconnect
fitting clean while disconnected.
• When making connections, only use pipe compound
that is resistant to the action of natural gas.
• The outdoor connector must be firmly attached to
rigid, permanent construction.
m WARNING: Do not route the ten-foot
hose under a deck. The hose must be
visible.
• For the correct size and length of gas line piping, refer
to the latest edition of the National Fuel Gas Code:
ANSI Z 223.1/NFPA 54, or CAN/CGA-B149.1, Natural
Gas and Propane Installation Code.
• Gas piping may be copper tubing, type K or L;
polyethylene plastic tube, with a minimum wall
thickness of .062"; or standard weight (schedule 40)
steel or wrought-iron pipe.

IMPORTANT INFORMATION ABOUT NATURAL GAS

• Copper tubing must be tin lined if the gas contains
more than 0.3 grams of hydrogen sulfide per 100
cubic feet of gas.
• Plastic tubing is suitable only for outdoor,
underground use.
• Gas piping in contact with earth, or any other material
which may corrode the piping, must be protected
against corrosion in an approved manner.
• Underground piping must have a minimum of 18"
cover.

STORAGE AND/OR NONUSE

For grills that have been stored or left unused for a while,
it is important to follow these guidelines:
• The gas must be turned off at the natural gas supply
when the Weber
• If storing the Weber
DISCONNECT the gas supply.
• The Weber
and any obstructions in the burner tubes before it is
used. (Refer to "ANNUAL MAINTENANCE.")
• Check that the areas under the control panel and the
slide-out grease tray are free from debris that might
obstruct the flow of combustion or ventilation air.
• The spider/insect screens should also be
checked for any obstructions. (Refer to "ANNUAL
MAINTENANCE.")

PRESSURE TESTING GAS SUPPLY

• Disconnect your Weber
is being tested at high pressures. This appliance and
its individual shutoff valve must be disconnected from
the gas supply piping system during any pressure
testing of that system at test pressures in excess of
1/2 psig (>3.5 kPa).
• Turn off your Weber
being tested at low pressures. This appliance must be
isolated from the gas supply piping system by closing
its individual manual shutoff valve during any pressure
testing of the gas supply piping system at test
pressures equal to or less than 1/2 psig (≤3.5 kPa).

CONNECTION TESTING

All connections and joints must be thoroughly tested
for leaks in accordance with local codes and all listed
procedures in the latest edition of the National Fuel Gas
Code: ANSI Z223.1/NFPA 54, or CAN/CGA-B149.1.
3
This is a typical installation of a Weber
INSIDE HOUSE
1 Gas supply
2
Shutoff
gas grill is not in use.
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gas grill indoors, first
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gas grill should be checked for gas leaks
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gas grill when the gas supply
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gas grill when the gas supply is
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TYPICAL PIPE INSTALLATION
4 5 6
natural gas grill. Local codes may require different installations.
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3 Quick-disconnect
4
3/8" pipe nipple

US INSTALLATION CODES

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 A 119.2/NFPA 1192, and CSA Z240 RV
Series, Recreational Vehicle Code, as applicable.

MEXICO INSTALLATION CODES

If there are local codes that apply to portable gas grills,
you must comply with the latest edition of NOM.

CANADIAN INSTALLATION

These instructions, while generally acceptable, do not
necessarily comply with the Canadian Installation codes,
particularly with piping above and below ground. In
Canada, the installation of this appliance must comply
with local codes and/or the latest edition of Standard
CAN/CGA-B149.1 (Natural Gas and Propane Installation
Code).
1
7 2
OUTSIDE HOUSE
5 Reducing coupling 7 Locking shutoff
6
1/2" pipe nipple
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