Smeg PGF75BE-2 - Manual (Page 10)

Instructions for the installer
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2.6 Gas connection
Connection to the gas mains may be made with a rigid copper pipe or
with a flexible pipe conforming to the provisions defined by standard
regolations in force.
After connection operations, check for leaks using a soapy solution.
The hob has been inspected for G20 natural gas (2H) at a pressure of 20
mbar. For use with other types of gas, see chapter “3. ADJUSTMENT TO
DIFFERENT TYPES OF GAS. The hose connection at the rear of the
appliance has a ½” internal thread (ISO 228-1).
Connection with rigid copper pipe:
the connection to the gas mains must
not provoke stress of any kind on the
appliance.
Connection may be made by using
biconicaladapter D with insertion of
gasket C supplied.
Connection with flexible steel pipe:
use only flexible stainless steel pipes
conforming to standard regulations, in
force inserting gasket C supplied
between the fitting A and the flexible
pipe B.
The flexible pipe must be installed so that pipe length does not exceed 2
meters of maximum extension. Make sure that the pipes do not touch
any moving parts or become crushed.
2.7 Connection to LPG
Use a pressure regulator and make the connection to the tank according
to the provisions of standard regolations in force. Make sure that feed
pressure conforms to the levels shown in the table in paragraph “3.2
Burner and nozzle characteristics table