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P a g e
Gas Hookup and Information
A.
Fuel
Before making gas connections, ensure the appliance
being installed is compatible with the available gas type.
B.
Gas Pressure
Proper input pressures are required for optimum
performance. Gas line sizing requirements need to be
made following NFPA54
Pressure requirements for appliance are shown in table
below. Minimum pressures must be met when other
household gas appliances are operating.
Pressure
Natural gas
Propane
Minimum Inlet Pressure
3.5 in w.c.
25 psi
Maximum Inlet Pressure
10.5 in w.c.
250 psi
The appliance and its individual shutoff valve must be
dis-connected from the gas supply piping system during any
pressures in excess of 1/2 psi /3.5 kpa.
The 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.
C.
Gas Connection
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Note: A listed (and Common wealth of Massachusetts
approved) 3/8 in. T-handle manual shut-off valve and
flexible gas connector are connected to the 3/8 in.
Control valve inlet. If substituting for these
components, please consult local codes for compliance.
WARNING
Fire Risk
Explosion Risk
verify inlet pressures.
●
High pressures may cause overfire
condition.
●
Low pressures may cause explosion.
●
Verify minimum pressures when other
household gas appliances are operating.
Install regulator upstream of valve if line pressure is greater
than 1/2 psi.
A small amount of air will be in the gas supply line. When
first lighting appliance it will take a short time for air to
purge from lines. Subsequent lighting of the unit will not
require such purging. Never allow the ON / OFF valve to
remain in the open position without pressing and
continuing to hold igniter button FIRST.
Note: Have the gas supply installed in accordance with local
building codes, if any. If not, follow ANSI 223.1. Installation should
be done by a qualified installer approved and/or licensed as
required by locality. (in the Common wealth of Massachusetts
installation must be performed by a licensed plumber or gas fitter.
●
Incoming gas line should be piped to the 3/8 inch
connection on the manual shutoff valve.
WARNING
Fire Risk
Explosion Risk
●
Gas build-up during line purge may
ignite.
●
Purge should be performed by qualified
technician.
●
Ensure adequate ventilation.
●
Ensure there are no ignition sources
such as sparks or open flames.
WARNING
CHECK FOR GAS LEAKS
Fire Risk
Explosion Risk
Asphyxiation Risk
●
Check all fittings and connections.
●
Do not use open flame
●
After the gas line installation is
complete, all connections must be
tightened and checked for leaks with a
commercially available leak-check
solution. Be sure to rinse off all leak
check solution following testing.
Fittings and connections may have loosened during shipping
and handling.