L1 Series
Gas Conversion Kit
1500-1600NGK, 1500PGK, 1600PGK
Use with Valor Models 1500 and 1600 Heater ONLY
Installation Instructions
This appliance is certifi ed for use from 0–4500 feet. For
altitudes above 4500 feet, see local codes.
Kit Contents
1 Pilot injector
1 Main burner elbow injector
1 Set of conversion labels
1 Air shutter (NG only)
1 bypass screw
1 burner injector gasket
Tools Required
• Wrenches, to disconnect gas line
• Phillips (+) screwdriver, to remove burner module &
pilot shield
• 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 by-pass screw
• Hex (Allen) wrench, 4 mm or 5/32”, to remove pilot
injector
• Manometer, to set manifold at the valve
WARNING
This conversion kit shall be installed by a
qualifi 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 qualifi 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 specifi ed in the manufacturer’s
instructions supplied with the kit.
Use this manual in conjunction with the installation manual supplied with the appliance.
Specifi cations
Models
Gas Natural Propane Propane
Altitude (Ft.)* 0-4,500 feet*
Input Maximum (Btu/h) 30,000 28,000 26,000
Input Minimum (Btu/h) 18,000 18,500 18,500
Manifold Pressure (in w.c.) 4.0 9.5 10.0
Minimum Supply Pressure
(in w.c.)
Maximum Supply Pressure
(in w.c.)
Main Burner Injector
Marking
Pilot Injector Marking 51 30 30
Min. Rate By-Pass Screw 220 160 160
4002880-04
© Copyright Miles Industries Ltd., 2017
1500NG
1600NG
5.0 11.0 11
10.0 14.0 14
850 300 260
1500LPG 1600LPG
General notes regarding conversion
The conversion may be done before or after the
appliance is installed into the cavity. Ideally before
the wall fi nish is applied, otherwise the burner
module must be removed. The gas must be
connected in order to set the manifold pressure.
Prepare the appliance
1. If the fi replace is already installed, remove the
side hinged doors, plinth, window, fuel bed,
platform, and platform middle supports.
2. Disconnect the gas inlet pipe from the inlet
elbow fi tting on the valve.
Remove the burner module
1. Remove the screw at the right end of the burner.
Remove screw
4. Verify that you use the correct injector before you
install it on the module tray—see Specifi cations
table on page 1. Note: the air shutter is used only
on NG models; set its position central to the slot as
shown.
2. Slide the burner to the right to disengage it from the
orifi ce and lift it out of the fi rebox.
Replace the main injector
1. Remove the burner support to gain access to the
injector nut (3 screws).
Remove burner support
(3 screws)
2. Disconnect the burner elbow injector nut from the
injector using a 11/16” (17 mm) wrench. Pull the pipe
downward out of the injector elbow.
3. Remove the burner gasket and release the locknut to
remove the injector.
Locknut
5. Reinstall the locknut and new gasket.
6. Reconnect the injector elbow to the pipe and tighten
the nut.
Convert the pilot injector
1. Remove the pilot shield (2 screws).
Remove Pilot
shield
(2 screws)
2. Remove the pilot hood by pulling it upwards.
Injector
Burner gasket
3. Unscrew the pilot injector using an Allen key. Discard the
Injector nut
pilot injector. Replace with the
appropriate pilot injector—see
Specifi cations table on page 1.
Screw the new injector into assembly and tighten.
4. Refi t the pilot head by pushing
down on it. Ensure that it snaps into position with
the correct orientation (there is a keyed slot).
2
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