Gas connection
48
The gas connection must be made in
accordance with local codes or, in
the absence of local codes, with:
National Fuel Gas Code
ANSI Z 223.1 / NFPA No. 54 for the
United States or the current Can /
CGA B 149.1 and 2 Installation
Codes of Gas Appliances for
Canada.
The gas pressure may not under-
shoot or exceed certain values.
Make sure that the maximum gas
pressure upstream of the gas pres-
sure controller does not amount to
more than 1/2 psi (3.5 kPA) for natu-
ral and propane gas.
Make sure that the minimum gas
pressure amounts to a 6“ water head
in the case of natural gas and a
11” (279.4 mm) water head in the
case of propane gas.