STEP 5
CONNECTING THE COOKTOP TO GAS
Because hard piping restricts
5-6. When using test pressures greater than
movement of the cooktop, the us
½ psig to pressure test the gas supply
of an A.G.A. certified flexible metal
system of the residence, disconnect the
appliance connector is recommended
range and individual shut-off valve
unless local codes require a hard-
from the gas supply piping. When
piped connection.
using test pressures of ½ psig or less to
test the gas supply system, simply
Never use an old connector when
isolate the range from the gas supply
installing a new product.
If the hard
system by closing the individual shut-
piping method is used, you must
off valve.
carefully align the pipe; the cooktop
cannot be moved after the connection
is made.
To prevent gas leaks, put pipe joint
compound on, or wrap pipe thread
*Teflon: Registered trademark of Dupont.
with Teflon* tape all around male
(external) pipe threads.
5-1. Install a manual gas shut-off valve
in the gas line in an easily accessed
location outside the cooktop. Make
sure everyone operating the cooktop
knows where and how to shut off the
gas supply to the cooktop.
5-2. Install male ½” flare union adapter
to the ½” NPT internal thread at
inlet of the 90° elbow. Use a backup
wrench on the elbow fitting to avoid
damage.
5-3. Install male ½” or ¾” flare union
adapter to the NPT internal thread
of the manual shut-off valve, taking
care to use a wrench to back-up the
shut-off valve to keep it from turning.
5-4. Connect flexible metal appliance
connector to the adapter on the cooktop.
Position cooktop to permit connection at
the shut-off valve or vise versa.
5-5. When all connections have been made,
make sure all cooktop controls are in the
off position and turn on the main gas
supply valve. Use a liquid leak detector
at all joints and connections to check
for leaks in the system.