WARNING
This conversion kit shall be installed by
a quali
fi
ed service agency in accordance
with the manufacturer’s instructions and
all applicable codes and requirements
of the authority having jurisdiction. If
the information in these instructions is
not followed exactly, a
fi
re, explosion
or production of carbon monoxide
may result causing property damage,
personal injury or loss of life. The
quali
fi
ed service agency is responsible
for the proper installation of this kit. The
installation is not proper and complete
until the operation of the converted
appliance is checked as speci
fi
ed in the
manufacturer’s instructions supplied with
the kit.
Use this manual in conjunction with the
installation manual supplied with the
appliance.
General Notes Regarding Conversion
The conversion may be done before or after the
appliance is installed. However, if the unit has been
installed and wall
fi
nish applied, the burner module
must be removed from the
fi
replace (see page 3).
Note that the gas must be connected to set the
manifold pressure.
1800KNGK / 1800KPGK Gas Conversion Kit
Use with Valor L3 1800K Heater Models ONLY
INSTALLATION MANUAL
L3 Series
4008258-01
©2020, Miles Industries Ltd.
Kit Contents
• 1 Pilot injector
• 1 Main burner injector
• 1 Minimum rate bypass screw
• 1 Set of conversion labels
Tools Required
• 7/16” socket driver with extension to install main
burner injector
• Small (jewelers size)
fl
at blade screwdriver, to set pres-
sure
• Small
fl
at blade screwdriver, to release pressure tap
on valve
• Needle nose pliers, to remove bypass screw
• Hex (Allen) wrench, 4 mm or 5/32”, to remove pilot
injector
• Manometer, to set pressure
• Wrenches, to disconnect gas line (optional step)
• Phillips (+) screwdriver, to remove burner module
(optional step)
• 1/4” inner diameter tubing
Speci
fi
cations
* This appliance is certi
fi
ed for use from 0–4500 feet. For
altitudes above 4500 feet, see local codes.
Model
1800NG 1800LPG
Gas
Natural
Propane
Altitude (Ft.)*
0-4,500 feet*
Input Maximum (Btu/h)
42,000
42,000
Input Minimum (Btu/h)
23,000
23,000
Manifold Pressure (in w.c.)
3.5”
10”
Minimum Supply Pressure (in w.c.)
5”
11”
Maximum Supply Pressure (in w.c.)
10”
14”
Main Burner Injector Marking
DMS#30 DMS#48
Pilot Injector Marking
51
30
Min. Rate By-Pass Screw
260
160