If you own a natural gas fryer and are considering switching to propane, you may be wondering if it’s possible to convert your fryer. The short answer is yes, but it’s important to understand the process and potential challenges involved.
Converting a natural gas fryer to propane requires a few modifications to the appliance’s internal components. This is because natural gas and propane have different combustion properties and require different amounts of air and fuel for efficient and safe operation.
One of the main differences between natural gas and propane is the pressure at which they are supplied. Natural gas is delivered at a lower pressure, typically around 0.25 psi, while propane is delivered at a much higher pressure, usually around 10-11 psi. This means that the burner orifices, which control the flow of gas into the fryer, need to be changed to accommodate the higher pressure of propane.
In addition to changing the burner orifices, other modifications may be required, such as adjusting the air-fuel mixture and installing a different regulator. It’s important to note that these modifications should only be done by a qualified professional who is familiar with the specific make and model of your fryer.
Before attempting to convert your fryer, it’s also important to check with the manufacturer to see if they offer a conversion kit. Some manufacturers may have specific kits available that are designed to facilitate the conversion process and ensure that it is done safely and correctly.
Overall, converting a natural gas fryer to propane is possible, but it should only be done by a professional who is experienced in working with commercial fryers. It’s important to follow all safety guidelines and consult the manufacturer for guidance to ensure that the conversion is successful and does not void any warranties.
Understanding the Basics
Before attempting to convert a natural gas fryer to propane, it is important to understand the basics of these two fuel sources.
Natural gas:
Natural gas is a fossil fuel that is primarily composed of methane. It is commonly used for residential and commercial purposes, including cooking. Natural gas is delivered through pipelines and is typically supplied by local utility companies. The pressure of natural gas is lower than that of propane, and it requires specific equipment designed to handle its unique properties.
Propane:
Propane, on the other hand, is a liquefied petroleum gas (LPG) that is stored in tanks. It is usually supplied by propane dealers or gas stations. Propane has a higher pressure than natural gas and burns hotter. It is commonly used for outdoor cooking, heating, and powering appliances. Converting a natural gas fryer to propane requires specific adjustments to accommodate the higher pressure and different fuel properties.
Conversion process:
When converting a natural gas fryer to propane, several key steps must be followed. These include:
- Inspecting the fryer: Before starting the conversion process, it is essential to inspect the fryer and check if it is designed for dual fuel or if it can be converted. Some fryers may have conversion kits available, while others may not be compatible.
- Adjusting the gas orifice: The gas orifice controls the amount of fuel that flows into the fryer. In a natural gas fryer, the orifice is larger compared to a propane fryer. During the conversion process, the orifice needs to be replaced or resized to accommodate the higher pressure of propane.
- Adapting the burner: The burner in a natural gas fryer may need to be modified to ensure proper combustion when using propane. This may involve changing the air-to-gas ratio or adjusting the ventilation to provide sufficient oxygen for complete combustion.
- Testing and certification: After the conversion is complete, it is important to thoroughly test the fryer to ensure it is functioning safely and efficiently. It is also advisable to seek professional certification or inspection to ensure compliance with local regulations and standards.
Note: It is crucial to follow the manufacturer’s instructions and guidelines when converting a natural gas fryer to propane. Incorrect conversion or improper adjustments can result in hazardous conditions, such as gas leaks or incomplete combustion.
By understanding the basics of natural gas and propane, as well as the conversion process, you can make informed decisions about converting a natural gas fryer to propane. If you are unsure or lack experience, it is always recommended to consult a professional to ensure safety and compliance.
Differences between Natural Gas and Propane
When it comes to fueling appliances such as fryers, it’s important to understand the differences between natural gas and propane. Both are commonly used for cooking, heating, and powering various appliances, but they have distinct characteristics that set them apart.
Natural Gas
Natural gas is a fossil fuel that is primarily composed of methane. It is extracted from underground reserves and is delivered to homes and businesses through pipelines. Natural gas is widely available in many areas and is often the preferred choice for residential heating and cooking.
One key characteristic of natural gas is that it is lighter than air, which means that it dissipates quickly in case of a leak. This makes it relatively safer compared to other fuels. Additionally, natural gas is cheaper than propane in many parts of the world, making it a more cost-effective option.
However, there are some limitations to using natural gas. It requires a connection to a natural gas pipeline, which may not be available in all areas. This means that if you want to convert a natural gas fryer to propane, you may need to install a propane tank and make the necessary modifications to the appliance.
Propane
Propane, on the other hand, is a liquefied petroleum gas that is produced as a byproduct of natural gas processing and crude oil refining. It is stored and transported in tanks or cylinders, making it a versatile fuel that can be used in areas without a natural gas infrastructure. Propane is commonly used in rural areas or for camping and outdoor activities.

One advantage of propane is its higher energy content. It provides more BTUs (British Thermal Units) per volume compared to natural gas, which means that it can generate more heat in a shorter amount of time. This makes propane an ideal choice for appliances that require high heat, such as outdoor fryers.
However, propane is heavier than air, which means that it can accumulate in enclosed spaces if a leak occurs. This increases the risk of fire or explosion, so it is important to handle propane with caution and ensure proper ventilation.
In conclusion, both natural gas and propane have their own advantages and limitations. Understanding these differences is essential when considering converting a natural gas fryer to propane, as it may require additional equipment and modifications to ensure safe and efficient operation.
Safety Considerations
Converting a natural gas fryer to propane requires careful consideration of safety measures. Here are some important factors to keep in mind:
1. Manufacturer Recommendations
Before attempting any conversion, it is essential to consult the manufacturer’s guidelines and recommendations. They will provide specific instructions and precautions for converting the fryer.
2. Qualified Technician
It is strongly advised to hire a qualified technician to perform the conversion. They have the knowledge and expertise necessary to ensure that the conversion is done safely and correctly.
3. Fuel Compatibility
Propane and natural gas have different combustion characteristics, so it is crucial to ensure that the fryer is designed to handle propane safely. Using an incompatible fuel can lead to a hazardous situation.
4. Gas Supply System
The gas supply system should be properly installed and maintained. This includes checking for leaks, ensuring proper ventilation, and following local building codes and regulations.
5. Pressure Regulation
Propane and natural gas operate at different pressures, so it is necessary to adjust the pressure regulator accordingly during the conversion. Incorrect pressure regulation can lead to equipment malfunction or even accidents.
6. Leak Testing
After the conversion, a thorough leak test should be performed to ensure that there are no gas leaks. This involves checking all connections and using a leak detection solution or a gas detector.
By considering these safety measures and following proper procedures, it is possible to convert a natural gas fryer to propane safely. However, it is always recommended to consult a professional to ensure that the conversion is done correctly and to mitigate any risks involved.
Professional Conversion vs. DIY
When it comes to converting a natural gas fryer to propane, you have two main options: seeking professional assistance or attempting a do-it-yourself (DIY) approach. Both options have their advantages and disadvantages, so it’s important to carefully consider which one is right for you.
Professional Conversion
Having your natural gas fryer professionally converted to propane is often the recommended choice. Professional conversion services are typically offered by experienced technicians who are knowledgeable about the specific requirements and safety measures involved in the process.
One of the main advantages of opting for professional conversion is the assurance that the job will be done correctly. These professionals have the expertise and tools needed to ensure that the fryer is safely and effectively converted to run on propane. They can also provide additional guidance and advice on propane usage and maintenance.
However, professional conversion services do come at a cost. Hiring a technician to perform the conversion can be more expensive compared to a DIY approach. Additionally, you may need to wait for an available appointment, which can delay the use of your fryer.
DIY Conversion
If you have experience with mechanical work and feel confident in your abilities, you may consider converting your natural gas fryer to propane yourself. This option can be more cost-effective, as you won’t have to pay for professional services.
Converting the fryer yourself also allows you to have more control over the process and timeline. You can work at your own pace and make adjustments as needed. Additionally, it can be a learning experience, as you gain firsthand knowledge of the inner workings of your fryer.
However, there are risks associated with a DIY conversion. Without proper knowledge and experience, there is a higher chance of making mistakes or not following safety guidelines. This can result in damage to your fryer or potential safety hazards. It may also void any warranty or insurance coverage you have on the appliance.
Final Considerations
Before deciding which option to choose, weigh the pros and cons of professional conversion versus a DIY approach. Consider factors such as your budget, level of expertise, and the importance of safety. If you are uncertain or not comfortable with handling the conversion yourself, it is best to opt for professional assistance to ensure the job is done properly and safely.
Always consult the manufacturer’s guidelines and any relevant codes and regulations before attempting any modifications or conversions. This will help you make an informed decision and ensure compliance with safety standards.
Steps for Converting a Natural Gas Fryer to Propane
Converting a natural gas fryer to propane requires a few simple steps to ensure a safe and efficient conversion. Follow these steps carefully to successfully convert your fryer:
1. Obtain a Conversion Kit: Contact the manufacturer of your fryer and request a conversion kit specifically designed for your model. The kit should include all the necessary components and instructions for the conversion process.
2. Turn off and Disconnect: Before starting the conversion, make sure the fryer is turned off and disconnected from the power source. This is essential for safety purposes.
3. Access the Burner Compartment: Open the fryer and locate the burner compartment. In most fryers, this compartment is located at the bottom of the fryer and can be accessed by removing a panel or cover.
4. Replace the Gas Jets: Use the instructions provided in the conversion kit to replace the natural gas jets with the propane jets. This step is crucial for ensuring the correct fuel-to-air mixture for combustion.
5. Adjust the Gas Valve: Locate the gas valve and use a wrench or pliers to adjust it according to the instructions provided in the conversion kit. This step is necessary for regulating the propane flow and pressure.
6. Test for Leaks: After completing the conversion, it’s important to test for gas leaks. Apply a mixture of soapy water to all connections and joints. If bubbles form, there is a leak that needs to be addressed before using the fryer.
7. Test the Fryer: After ensuring there are no leaks, turn on the fryer and test it with a small amount of food. Monitor the fryer closely during the initial use to ensure it is operating correctly.
8. Follow Maintenance Guidelines: Once the conversion is complete, it’s important to follow the manufacturer’s guidelines for regular maintenance and cleaning of the fryer. This will help optimize its performance and longevity.
Note: Converting a natural gas fryer to propane should only be done by a qualified professional or under the guidance of the manufacturer. Improper conversion can result in serious safety hazards. Always prioritize safety and consult the appropriate resources before attempting any modifications.
Q&A
Can I convert a natural gas fryer to propane?
Yes, it is possible to convert a natural gas fryer to propane. However, it is important to note that this should be done by a professional who is qualified and experienced in performing such conversions. They will need to change the burner orifices, adjust the gas pressure, and make other necessary modifications to ensure safe and efficient operation.
Is it safe to convert a natural gas fryer to propane on my own?
No, it is not recommended to attempt converting a natural gas fryer to propane on your own. Converting gas appliances requires specialized knowledge and skills to ensure that the conversion is done safely and correctly. A professional technician will have the expertise to make the necessary adjustments and modifications to ensure the fryer operates safely and efficiently on propane.
How much does it cost to convert a natural gas fryer to propane?
The cost of converting a natural gas fryer to propane can vary depending on several factors, such as the type of fryer, the complexity of the conversion, and the labor costs in your area. On average, it can cost anywhere from $100 to $300 for a professional technician to perform the conversion. It is recommended to obtain quotes from different service providers to get an accurate estimate for your specific fryer and conversion needs.