Thermador Pro Harmony Série Instructions D'installation page 11

2. Label each of the removed orifices, noting from which
burner they were removed, in the event the appliance
is converted back to natural gas in the future.
For your convenience, note the orifice sizes and
locations in the following table.
Burner location
Left front
Left rear
Center front
Center rear
Right front
Right rear
3. Locate the proper STAR
orifices included with the kit.
Orifices are stamped with the
orifice diameter size on the side.
4. Replace orifices as indicated in the tables beginning
on page 12. Ensure the orifice is completely seated
and tight to the jet holder to avoid possible gas leaks.
NOTE: All of the replacement orifices in the conversion kit
have straight threads (not pipe threads) and do not
require thread sealing compound.
Changing "B" STAR burners (305 models
only) and/or "D" and "F" STAR burners
This procedure can be applied when:
• Converting size "B" burners.
• Preferred by the installer to change orifices of any size
burner ("B", "D", or "F").
• A 7 mm or 9/32'' socket, or ¼'' nut driver is not
available for use when changing the orifices on "D"
and "F" burners.
Orifice size
®
burner
To replace the "B" STAR burner orifices (or any burner
size orifice)
1. From the side of the jet holder, insert a 9/32'' open
end wrench into the space between the metal wire
and the jet holder. Remove the gas orifice from the
STAR burner's jet holder.
a
b
a. Jet holder
b. Metal wire
c. Gas orifice
2. Label each of the removed orifices, noting from which
burner they were removed, in the event the appliance
is converted back to natural gas in the future. (See
table to the left.)
3. Locate the proper STAR burner
orifices included with the kit.
Orifices are stamped with the
orifice diameter size on the side.
4. Replace orifices as indicated in the tables beginning
on page 12. Ensure the orifice is completely seated
and tight to the jet holder to avoid possible gas leaks.
NOTE: All the replacement orifices in the conversion kit
have straight threads (not pipe threads) and do not
require thread sealing compound.
c
Page. 11