15
15
Typical natural gas supply installation. Figure 12.
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.
■
Gas piping may be copper tubing, type K or L;
polyethylene plastic tube, with a minimum wall
thickness of .062 inch; or standard weight (schedule
40) steel or wrought iron pipe.
■
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.
Test connections
All connections and joints must be thoroughly tested for
leaks in accordance with local codes and all listed
procedures in the latest edition of ANSI Z223.1.
Figure 12
The quick disconnect is
installed above ground
Gas supply
Shut off
Locking
shut off
Quick Disconnect
Male fitting
To barbecue
Outside wall
Inside wall
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 injur y or death, and damag e
to property.
Figure 13
Step 12
Check that all burner valves are off
You will need: one burner control knob.
Valves are shipped in the OFF position, but you should
check to be sure. Put the knob on each valve. Check by
pushing down and turning clockwise. If they do not turn
they are off, proceed to the next step.Figure 13.