Model
780NG
780LPG
Gas
Natural Propane
Altitude (Ft.)*
0-4,500 feet*
Input Maximum (Btu/h)
30,000
28,000
Input Minimum (Btu/h)
6,500
14,500
Manifold Pressure (in w.c.)
4.0
10.5
Minimum Supply Pressure
(in w.c.)
5.0
11.0
Maximum Supply Pressure
(in w.c.)
10.0
14.0
Main Burner Injector Marking
850
300
Pilot Injector Marking
51
30
Min. Rate By-Pass Screw
125
125
Burner identi
fi
cation
L
EGEND
G4
4002613-03
©2012, Miles Industries Ltd.
Gas Conversion Kit
780NGK/NPK
Installation Instructions
This appliance is certi
fi
ed for use from 0–4500 feet. For
altitudes above 4500 feet, see local codes.
Kit Contents
1 Pilot injector
1 Burner
1 Main burner elbow injector
1 Set of conversion labels
1 Set of air shutter
1 Air baf
fl
e for rear log support (LPG only)
4 Screws (for LPG air baf
fl
e)
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
• Nut driver 8 mm or 5/16”, to remove burner nuts
• Needle nose pliers, to remove by-pass screw
• Hex (Allen) wrench, 4 mm or 5/32”, to remove pilot
injector
• Manometer, to set pressure when regulator is integral
with valve
Speci
fi
cations
Use with with
Valor Models 780 Heaters ONLY
WARNING
This conversion kit shall be installed by a
quali
fi
ed service agency in accordance with
the manufacturer’s instructions and all appli-
cable codes and requirements of the authority
having jurisdiction. If the information in these
instructions is not followed exactly, a
fi
re, ex-
plosion or production of carbon monoxide may
result causing property damage, personal in-
jury 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 instal-
lation manual supplied with the appliance.
