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Gas Conversion
If you move to a region that uses a different type of gas or if the local gas supply is
converted,replacement of the gas manifold and adjustment of the appliance will be necessary.
This work must be performed by either Noritz or a qualified service agency and will be charged for
even during the warranty period. The qualified installer will also be responsible for purchasing the
gas conversion kit directly from the manufacturer.
For more information, contact Noritz America Technical Support at 866-766-7489.
The following parts are supplied in the conversion kit. These items will replace the existing parts that
are currently installed in the unit. Make sure that all parts are replaced and properly installed by a
qualified service agency.
* A Noritz remote controller and a digital gas manometer are required to complete the installation.
Do not proceed if this equipment is not immediately available.
* A qualified service agency is any individual, firm, corporation, or company which either in person or through
a representative is engaged in and is responsible for the connection, utilization, repair or servicing of gas
utilization equipment or accessories; who is experienced in such work, familiar with all precautions required,
and has compiled with all of the requirements of the authority having jurisdiction.
The gas conversion kit shall be installed by a qualified service agency* in accordance with
the manufacturer’s instructions and all applicable codes and requirements of the authority
having jurisdiction. The information in the instructions must be followed to minimize the risk
of fire or explosion or to prevent property damage, personal injury, or death. The qualified
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 specified in
the manufacturer’s instructions supplied with the kit.
Before the gas conversion is performed, verify the proper gas conversion kit with your
water heater model on the table provided below.
After the necessary parts have been replaced on the unit, the remote controller is then used to adjust
the settings on the water heater for use with the proper gas type.
The gas pressure values at both the gas supply inlet fitting and at the manifold inlet on the unit are
verified by the installer. Proper adjustments will be made to ensure safe and efficient operation.
Once this is completed, a final gas leak check will be performed to confirm that all parts have been
securely installed.
If you notice the smell of gas at any time after the installation has been completed, turn the water
heater off and contact your gas supplier immediately.
Conversion Kit Conversion Type
CK-29 Propane to Natural Gas
CK-30 Natural Gas to Propane
Manifold Plate
O-Ring
Conversion Kit Label
Damper
WARNING
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