IHP.us.com 1
NCVM-42O GAS CONVERSION KIT, MILLIVOLT, PROPANE/LP GAS TO NATURAL GAS
[FOR USE WITH APPLIANCE MODELS ODYSSEY42, VRE3042, SAVANNAH42]
P/N 127208-01
Rev. B, 03/2017
HEARTH PRODUCTS
KITS AND ACCESSORIES
Cat. No. Model Description
F1137 NCVM-42O LP-NG Gas Conversion Kit
NCVM-42O GAS CONVERSION KIT
PROPANE GAS TO NATURAL GAS
KIT CONTENTS
1 ea. Pilot Orifi ce NG (#51)
1 ea. Main Burner Orifi ce NG (#29)
1 ea. Air-Mixer Brass NG
1 ea. Gas Valve Regulator NG
1 ea. Conversion Label, English
1 ea. Conversion Label, French
1 ea. Conversion Information Label
1 ea. Instruction Sheet
REQUIRED TOOLS AND SUPPLIES
7/8” Open End Wrench or Adjustable Wrench
3/4” Open End Wrench or Adjustable Wrench
Torx T20 or Slotted Screwdriver
5/32” Allen Wrench
#2 Short Phillips Screwdriver
Thread Sealant (Resistant to Propane/LP)
TURN OFF THE GAS SUPPLY TO THE APPLIANCE. DISCONNECT
ELECTRICAL POWER SUPPLY.
READ ALL THE STEPS BEFORE STARTING THE CONVERSION. IN-
STALLER NOTICE: THESE INSTRUCTIONS MUST BE LEFT WITH THE
APPLIANCE.
When installing gas components use pipe joint compound or
Tefl on tape on all pipe fi ttings before installing (Do not use pipe
joint compounds on fl are fi ttings).
THE APPLIANCE MUST BE OFF AND COLD BEFORE PERFORMING
THE GAS CONVERSION.
ALL WARNINGS, PRECAUTIONS AND INSTRUCTIONS IN THE INSTAL-
LATION AND OPERATION MANUAL PROVIDED WITH THE APPLIANCE
APPLY TO THESE INSTRUCTIONS.
GENERAL INFORMATION
Gas conversion kits are available to adapt the appliance from the
use of one type of gas to the use of another. These kits contain all
the necessary components needed to complete the task including
labeling that must be affi xed to ensure safe operation.
WARNING
This conversion kit shall be installed by a qualifi ed
service agency in accordance with the manufac-
turer'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 performing this installation is responsible
for the proper installation of this kit and assumes
responsibility for this conversion. The installation
is not proper and complete until the operation of the
converted appliance is checked as specifi ed in the
manufacturers instructions supplied with the kit.
IMPORTANT LE CANADA SEULEMENT
La conversion devra être effectuée conformément aux
recommandations des autorités provinciales ayant
juridiction et conformément aux exigences du code
d'installation CAN/CSA B149.1.
IMPORTANT CANADA
The conversion shall be carried out in accordance with
the requirements of the provincial authorities having
jurisdiction and in accordance with the requirements
of the CAN/CSA B149.1 Installation code.
AVERTISSEMENT
Cet équipement de conversion sera installé par
une agence qualifi ée de service conformément aux
instructions du fabricant et toutes exigences et codes
applicables de l'autorisés avoir la juridiction. Si
l'information dans cette instruction n'est pas suivie
exactement, un feu, explosion ou production de
protoxyde de carbone peut résulter le dommages
causer de propriété, perte ou blessure personnelle de
vie. L'agence qualifi ée de service est esponsable de
l'installation propre de cet équipment. L'installation
n'est pas propre et compléte jusqu'à l'opération de
l'appareil converti est chéque suivant les critères
établis dans les instructions de propriétaire provi-
sionnées avec l'équipement.
127208-01B2 IHP.us.com
Orifice
Log/Grate
Assembly
Air
Shutter Pilot
Burner
Compression
Nut/Sleeve
ACCESSING FIREPLACE
The gas control valve is located under fi rebox fl oor of appliance. Main
burner orifi ce is located under log/grate assembly and pilot orifi ce is
located in pilot burner to right of chassis assembly.
IMPORTANT
The burner orifi ce provided in this kit are only for use at
elevations of 0 to 2,000 feet (610 M) in the USA and 0 to
4,500 feet (0-1372 M) in Canada. At higher elevations
the BTU input must be de-rated by 4% for every 1,000
feet (305 M) to maintain the proper ratio of gas to air. If
the installer must convert the unit to adjust for varying
altitudes, a deration information sticker must be fi lled
out by the installer and adhered to the appliance at the
time of the conversion. Contact your local gas supplier
for deration requirements for your area.
CAUTION
The gas supply shall be shut OFF prior to discon-
necting the electrical power, before proceeding with
the conversion.
ATTENTION
Avant d’effecteur la conversion, coupez d’abord
l’alimentation en gaz, ensuite, coupez l’alimentation
electrique.
Figure 1 - Opening Glass Doors
Figure 2 - Removing Orifi ce for Conversion
2. Using 2 adjustable wrenches, loosen compression nut from orifi ce
by turning wrenches in opposite directions. Remove compression
nut from orifi ce.
3. Loosen orifi ce from air shutter using wrench. Remove orifi ce from
air shutter.
4. Apply a light amount of propane/LP resistant sealant to threaded
end of NG orifi ce supplied with kit. Thread NG orifi ce into air shutter
and tighten with wrench.
5. Apply a light amount of propane/LP resistant sealant to other end
of NG orifi ce. Thread compression nut/sleeve onto NG orifi ce and
tighten holding both compression nut and orifi ce with adjustable
wrenches.
6. Adjust air shutter to 3/16” open position.
7. Lower log/chassis assembly and reposition in fi replace.
FULLY OPEN
PILOT ORIFICE CONVERSION
The pilot is located to the right of log/grate assembly (see Figure 2).
1. For better access, rotate assembly clockwise to pull right side closer
to opening in fi replace.
2. Remove pilot hood by pulling up until it disengages from barrel. Do
not remove retainer clip (see Figure 3).
3. Remove pilot orifi ce from inside barrel using a 5/32" allen wrench
to unscrew orifi ce.
4. Replace pilot orifi ce with NG orifi ce supplied with this kit. The number
51 is stamped on sleeve for identifi cation. Insert small end of new
pilot orifi ce into barrel and thread until tight with allen wrench.
5. Line up notch on pilot hood to positioning tab on barrel and snap
back into position.
IMPORTANT: Be careful not to bend or kink aluminum tubing during
conversion. Make sure pilot hood and orifi ce are properly mated and
aligned after fi nishing this conversion.
6. Reposition log/grate assembly in fi replace.
CONVERSION INSTRUCTIONS
Burner Orifi ce Conversion
The burner orifi ce is located under grate/log assembly.
1. Carefully lift front of grate/log assembly. Place object about 6" in
height under front portion of grate to hold assembly up for access
to air shutter.
IHP.us.com
127208-01B 3
Gas Control Valve Conversion
Convert gas control valve by changing valve regulator portion of the
gas valve. Valve is located under fi rebox fl oor.
1. Grasp ring on top of access panel and pull up to remove (see Figure
4). Valve is tilted up toward fi rebox fl oor.
2. Using a Torx T20 or slotted screwdriver, remove and discard three
mounting screws, pressure regulator tower and diaphragm/spring
components (see Figure 5).
Figure 5 - Removing Mounting Screws, Pressure Regulator
Tower, and Diaphragm/Spring Components
Figure 6 - Installing Pressure Regulator Assembly
HI
LO
O
F
F
P
I
L
O
T
O
N
Mounting Screws
Pressure
Regulator
Tower
Diaphragm/Spring
Components
HI
LO
O
F
F
P
I
L
O
T
O
N
Mounting Screws
Rubber
Gasket
Identification
Label
Figure 4 - Removing Access Panel from Fireplace Floor
Access Panel
Access Panel
Barrel Clip
Pilot Hood
Pilot Orifi ce
5/32" Allen Wrench
Pilot Bracket
Figure 3 - Converting Pilot Orifi ce
3. Ensure that rubber gasket is properly positioned on new pressure
regulator assembly. Install NG pressure regulator assembly to valve
using new mounting screws supplied with kit. Tighten screws securely
(approximately 25 in-lbs.) (see Figure 6).
4. Install identifi cation label enclosed with gas valve regulator to valve
body where it can be easily seen (see Figure 6).
5. Replace access panel in fi rebox fl oor.
Conversion Labeling and Placement
1. With permanent ink, print previous model number on the label in
space provided (see Figure 7). Apply conversion label over existing
certifi cation label (see Figure 8). Existing certifi cation label is located
on the lighting instruction plate inside gas valve compartment area.
2. After fi lling in data required on conversion information label (see
Figure 9 on Page 4), affi x it to fl oor of appliance where it is easily
seen when access panel is removed.
4
Figure 8 - Applying Conversion Label Over Existing Certifi cation
Label on Lighting Instruction Plate
Figure 7 - Print Previous Model Number on Conversion Labels
Figure 9 - Conversion Information Label
CONVERSION INFORMATION LABEL
This appliance was converted on
___ - ___ - ___ to ______________ gas
with Kit No. _______________________
by _____________________________
_____________________________
_____________________________
(name and address of organization making
this conversion), which accepts the
responsibility that this conversion has been
properly made.
106080-01
56060
Day Month Year
OUTDOOR FIREPLACE
OUTDOOR FIREPLACE
Conversion Kit Model
Type of Gas
Previous Model #
PFS
®
Conversion
Label
Lighting
Instruction
Plate
2. Close screen before operating fi replace.
3. Using a manometer, test the inlet and manifold gas pressures.
Inspect for proper burner fl ame appearance (see Figure 11).
The conversion is now complete. To operate your fi replace, refer to
Operating Fireplace in your appliance owner’s manual.
WARNING
• Test all gas piping and connections for leaks after
installation or servicing. Correct leaks at once.
• Never use an open fl ame to check for a leak. Apply
noncorrosive leak detection fl uid to all joints. Bubbles
forming show a leak. Correct all leaks at once.
• Fireplace must be operated only with doors fully
opened.
Figure 10 - Inspect for Proper Burner Flame Appearance
No Blue Flame
Center
Soot at
Flame Tip
Dark Orange
Flame
IMPROPERLY
BURNING FLAME
Soot above
Flame Tip No Soot at
Flame Tip
PROPERLY
BURNING FLAME
Semi-Transparent
Yellow Flame
Blue Flame
Center
REFERENCE INFORMATION
Inlet Gas Supply Pressure
Fuel # Minimum Maximum
Natural Gas 5.0" WC (1.25 kPa) 10.5" WC (2.62 kPa)
Manifold Gas Supply Pressure
Fuel # Pressure
Natural Gas 3.5” WC (.87 kPa)
Main Burner Orifi ce Sizes
Fireplace Model Drill Size
Natural Gas
Odyssey42, VRE3042 and Savannah42 #29
BTU Input
Models Natural Gas
High Rate Low-rate
Odyssey42, VRE3042 and Savannah42 47,000 32,000
Final Preparation
1. Leak check the gas control and any connections you've made before
operating the appliance. Refer to Checking Gas Connections in
owner’s manual.
Printed in U.S.A. © 2014 Innovative Hearth Products
P/N 127208-01 Rev. B 03/2017
IHP reserves the right to make changes at any time, without notice, in design, materials, specifi ca-
tions, prices and also to discontinue colors, styles and products. Consult your local distributor
for fi replace code information.
1508 Elm Hill Pike, Suite 108 • Nashville, TN 37210
CUS
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