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.
780MNGK / 780MPGK Gas Conversion Kit
Use with Valor G4 780M Heater Models ONLY
INSTALLATION MANUAL
G4 Series
4007968-02
©2021, Miles Industries Ltd.
Kit Contents
• 1 Pilot injector
• 1 Main burner injector elbow
• 1 Air shutter
• 1 Pilot shield
• 1 Minimum rate bypass screw
• 1 Set of conversion labels
Tools Required
• Wrenches, to disconnect gas line
• Phillips (+) screwdriver, to remove burner module
• Small (jewelers size)
fl
at blade screwdriver, to set
pressure
• 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
Speci
fi
cations
*
b
This appliance is certi
fi
ed for use from 0–4500 feet. For
altitudes above 4500 feet, see local codes.
Model
780MN
780MP
Gas
Natural
Propane
Altitude (Ft.)*
0-4,500 feet*
Input Maximum (Btu/h)
28,000
28,000
Input Minimum (Btu/h)
14,000
14,000
Manifold Pressure (in w.c.)
3.2”
10.5”
Minimum Supply Pressure (in w.c.)
5”
11”
Maximum Supply Pressure (in w.c.)
10”
14”
Main Burner Injector Marking
850
300
Pilot Injector Marking
51
30
Min. Rate By-Pass Screw
185
125
