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General Specifications for
Piping
American National Standards Institute (ANSI)
Recommendations for gas supply installations:
Connections:
■ This barbecue is designed to operate at 7 inches
of water column pressure (.2526 psi).
■ A manual shut-off valve must be installed
outdoors, immediately ahead of any connections
or change in pipe material.
■ An additional manual shut-off valve indoors should
be installed in the branch fuel line in an accessible
location near the supply line.
■ The point of tie into the branch line should be
carefully selected to avoid a drip leg or be
downstream of a valve controlling another
appliance.
■ Pipe compound should be used which is resistant
to action of natural gas when connections are
made.
■ The outdoor connector must be firmly attached to
rigid, permanent construction.
Gas line piping
■ If the length of line required does not exceed 50
feet, use a 5/8" O.D. tube. One size larger should
be used for lengths greater than 50 feet.
■ Indoor and above ground piping can be steel or
copper.
Steel
New standard weight (Schedule 40) steel pipe with
malleable iron fittings.
Copper
New copper tubing type K or L.
Copper tubing must meet requirements of ASTM B88
latest edition.
Use flared fittings. Metallic ball sleeve compression
fittings must not be used.
Copper tube joints may be soldered or brazed with
material having a melting point in excess of 1,000°F.
Outside underground piping
Outside underground piping may be copper tubing,
type K or L (ASTM B88) or polyethylene plastic tube
PE3306 (Minimum wall thickness .062") meeting
ASTM 2513, latest specifications.
Steel pipe is not recommended for underground use
unless it is protected with an approved coating,
insulated from hose piping and cathodically protected.
It is recommended that copper tubing be corrosion
protected with a satisfactory material such as TC
Mastic.
All buried fittings should be corrosion protected with a
satisfactory material such as TC Mastic.
Underground piping must have a minimum of 10"
cover.
Plastic tubing
Plastic tubing is suitable only for outside underground
use.
■ The transition from metallic pipe to plastic pipe
should be made outside and at least 10"
underground.
■ When compression or crimp type mechanical
joints are used with plastic pipe, it is advisable to
use an internal rigid stiffener in conjunction with
the fitting.
■ The stiffener should be assembled flush with the
end of the tube and extend at least to the outside
edge of the compression fitting.
Testing connections
You will need a soap and water solution and a rag or
brush to apply it.
All connections and joints must be thoroughly tested
for leaks after gas has been turned into the line.
Notice Before Installation
Contact your local municipality for any building codes regulating outdoor barbecue installations. In
absence of local codes, you must conform to the latest edition of ANSI Z223.1.
WE RECOMMEND THAT THIS INSTALLATION BE DONE BY A PROFESSIONAL.
ƽ DANGER
Do not use an open flame to check for
gas leaks. Be sure there are no sparks
or open flames in the area while you
check for gas leaks. This will result in
a fire or explosion which can cause
serious bodily injury or death, and
damage to property.
Wet the fitting with a soap and water solution. Any
bubbles that form or grow indicate a leak. If bubbles
occur shut off gas, tighten the fitting, and retest.
ƽWARNING: If a leak persists after tightening the
fitting, turn gas off at the supply. DO NOT
OPERATE YOUR BARBECUE. Contact Weber-
Stephen Customer Service.