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NATURAL GAS INSTALLATION
The installation must conform with local codes or, in the absence of local codes, with either the
national Fuel Gas Code, ANSI Z223.1/NFPA 54, or CAN/CGA-B149.1, Natural Gas Installation Code or
CAN/CGA-B149.2, Propane Installation Code.
1. This gas appliance and its individual shutoff valve must be disconnected from the gas supply piping
system during any pressure testing of that system at the test pressures in excess of 1/2 psi (3.5 kPa).
2. This appliance must be isolated from the gas supply piping system by closing its individual manual
shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or
less than 1/2 psi (3.5 kPa).
If the gas grill is factory built for Natural Gas, the regulator supplied is set for 4" water column.
The regulator is convertible to 10" water column for plumb-in system LP application. Do not use with a
20-lb LP cylinder. Make sure that the regulator is set for the correct gas type. To check, remove the brass
hex cap. You will find the conversion plastic pin attached to the cap to the underside of the cap. If the disc
(1/2 in. diameter) of the pin is close to the cap, then the regulator is set for Natural Gas. If the disc is at the
tip of the pin, away from the brass cap, the regulator is set for system LP application. To convert to
Natural Gas, remove the plastic conversion pin and invert and replace it back in a manner such that the
disc is close to the brass cap. For both Natural and LP, the maximum inlet pressure is 14" water column.
A typical Natural Gas installation is shown below. Make sure that the factory-supplied regulator is
used and installed with the arrow mark on the regulator pointing towards the gas grill. Do not use any
replacement regulator other than that specified by DELTA HEAT. Use only pipe sealants that are
approved for use with Natural and LP gases. An installer-supplied gas shutoff valve must be installed in
an accessible location.
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