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Heat & Glo • Crescent II • 2083-902 Rev. G • 9/05
25
NOTE: Have the gas supply line 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 the locality. (In the
Commonwealth of Massachusetts installation must be
performed by a licensed plumber or gas fitter.)
A. Fuel Conversions
WARNING
Fire Risk.
Explosion Hazard.
High pressure will damage valve.
• Disconnect gas supply piping BEFORE
pressure testing gas line at test pressures
above 1/2 psig.
• Close the manual shutoff valve BEFORE
pressure testing gas line at test pressures
equal to or less than 1/2 psig.
B. Gas Pressures
C. Gas Connection
WARNING
Verify inlet pressures.
• High pressure may cause overfire
condition.
• Low pressure 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 psig.
Proper input pressures are required for optimum appliance
performance. Gas line sizing requirements need to be made
following NFPA51.
Gas Information
9
NOTE: Gas line may be run from either side of the
appliance
provided the hole in the outer wrap does NOT
exceed 2-1/2
inches in diameter and does not penetrate
the firebox.
NOTE: A listed (and Commonwealth of Massachusetts ap-
proved) 1/2 inch (13mm) T-handle manual shut-off valve and
flexible gas connector are connected to the 1/2 inch (13mm)
control valve inlet.
• If substituting for these components, please consult
local codes for compliance.
Pressure requirements for appliance are shown in the table
below. Minimum pressures must be met when other
household gas appliances are operating.
Pressure Natural Gas Propane
Minimum 5.0 inches 11.0 inches
Inlet Pressure w.c. w.c.
Maximum Inlet 14.0 inches 14.0 inches
Gas Pressure w.c. w.c.
Manifold 3.5 inches 10.0 inches
Pressure w.c. w.c.
Before making gas connections ensure that appliance
being installed is compatible with the available gas type.
Any natural or propane gas conversions necessary to meet
the appliance and locality needs must be made by a quali-
fied technician using Hearth & Home Technologies speci-
fied and approved parts.
Refer to Reference Section 16 for location of gas line ac-
cess in appliance.
WARNING
Gas Leak Risk
• Support control when attaching pipe to
prevent bending gas line.