Convert Propane Stove to Natural Gas: Easy Guide

Imagine it’s a cold evening and the warm smell of a delicious stew is spreading through your kitchen. Now think about how great it would be if this were also cheaper and better for the environment because you switched your stove from propane to natural gas.

conversion process from propane to natural gas stove

This guide explains the propane stove-to-natural gas conversion process, providing step-by-step insights that ensure a safe, efficient, and successful transition. Whether you’re a seasoned DIY enthusiast or considering professional installation, your journey toward a more sustainable and economical kitchen begins here.

Understanding the Basics of Stove Conversion

Before undertaking the task of converting your propane stove to natural gas, it’s essential to understand the fundamental differences between these two fuels. Propane delivers more British Thermal Units (BTUs) than natural gas, which means it burns hotter.

This difference necessitates different orifice sizes in your stove. Propane typically operates at a higher pressure (about 10 to 15 pounds per square inch) compared to natural gas (usually under 0.25 pounds per square inch). Therefore, a conversion kit specific to your stove model is critical to accommodate these variations.

the basics of stove conversion

The equipment needed for this DIY gas stove conversion includes a natural gas conversion kit (Buy Natural Gas Conversion Kit from Amazon), which contains all the necessary gas orifices and a compatible gas appliance regulator.

Additional tools required are standard household tools like wrenches and screwdrivers, along with specialty items such as pipe dope to seal connections, ensuring a safe transition from propane to natural gas.

Preparation for Conversion

Proper preparation is key to successfully converting your propane stove to natural gas. Begin by confirming the availability of a natural gas supply in your home. If natural gas lines are not already installed, you’ll need professional installation before proceeding.

Next, purchase the correct natural gas conversion kit for your stove. These kits are specific to the make and model of your stove to ensure compatibility and safety. The kit typically includes detailed instructions on the gas stove retrofit process tailored to your appliance.

Lastly, gather all necessary tools for the job. This includes various wrenches to fit different connections, screwdrivers for opening the stove panels, and pipe dope for securing the gas fittings. Ensuring you have the right tools on hand will streamline the conversion process, helping you safely convert your propane stove to a natural gas stove.

Step-by-Step Conversion Process

Converting a propane stove to natural gas involves several critical steps to ensure the safety and optimal function of your appliance. Here’s a detailed guide on how to convert propane to natural gas stove:

step-by-step process of converting a stove from propane to natural gas

Step 1: Disconnecting the Propane Supply

Safety first—ensure that the propane supply is completely shut off before starting any work. Disconnect the propane tank and carefully detach all connections to the stove. It’s crucial to avoid any leaks or residual gas in the line.

Step 2: Replacing the Propane Orifices with Natural Gas Orifices

The orifices used for propane are different from those required for natural gas because of the variance in pressure and BTU output. Use the orifices provided in your natural gas conversion kit, which are specifically designed to match your stove model. Replace each propane orifice with its natural gas counterpart, following the kit’s detailed instructions.

Step 3: Adjusting the Regulator

Adjust the stove’s pressure regulator to be compatible with natural gas. Most modern stoves use a convertible regulator, which can switch from propane to natural gas by turning a cap or making a similar adjustment. Consult your stove’s manual or the conversion kit instructions for specific details.

Step 4: Connecting the Stove to the Natural Gas Line

With the new orifices and regulator in place, connect the stove to your home’s natural gas supply line. Ensure all fittings are tight and secure to prevent leaks. Use pipe dope or Teflon tape on threads where recommended to create airtight seals.

Step 5: Checking for Leaks

After everything is connected, it’s imperative to check for leaks. Apply a soapy water solution along all connections. Turn on the natural gas supply and watch for bubbles forming at the connections, which indicate a leak. If you find any leaks, shut off the gas supply immediately, tighten the connections, and check again.

What Happens If You Use Propane on a Natural Gas Stove

Using propane on a natural gas stove without proper conversion can lead to several safety risks and operational issues. Natural gas appliances are designed for lower gas pressure compared to propane, which means propane’s higher pressure can cause the stove’s burner to produce a much larger and hotter flame than intended.

This excessive heat can damage the stove’s components, including the burners and valves, and also poses a serious fire hazard.

the potential dangers of using propane in a natural gas stove

Moreover, the improper combustion caused by using propane in a natural gas setup can lead to incomplete burning of the fuel. This results in the production of higher levels of carbon monoxide, a dangerous, odorless gas that can pose severe health risks without adequate ventilation.

Carbon monoxide poisoning can cause symptoms like headaches, dizziness, nausea, and in extreme cases, it can be fatal.

Additionally, using propane on a natural gas stove will generally void any manufacturer’s warranty and could violate local safety codes, potentially leading to legal issues. It is essential to convert your stove properly or consult with a professional if you intend to switch from natural gas to propane to ensure safe and efficient operation.

Post-Conversion Checks and Adjustments

After converting your propane stove to natural gas, performing thorough checks and adjustments is crucial to ensure your stove operates efficiently and safely.

professional technician performing post-conversion checks and adjustments on a stove that has been converted from propane

Testing the Stove’s Functionality

Once the conversion is complete, test the stove by lighting each burner. Observe the flame color and height; a blue flame with a slight yellow tip is ideal. If the flames are predominantly yellow or uneven, further adjustments may be needed. This can indicate incomplete combustion, often caused by incorrect air-to-gas ratios.

Adjusting the Air Shutter

To optimize combustion, adjust the air shutters on each burner. These shutters control the air mix with natural gas, which is essential for achieving a clean, efficient burn. Refer to your stove’s manual or the conversion kit’s instructions for guidance on making these adjustments. Fine-tuning these settings will help you achieve the best performance from your newly converted natural gas stove.

Professional Inspection

Even if your initial tests are successful, having a professional technician inspect your installation is recommended. This ensures all aspects of the conversion meet local safety codes and regulations. A professional can also perform a carbon monoxide test to ensure the appliance is safely operating.

Credit: Frank Hamilton-Propane and Gas Conversion Basics (How to)

Common Mistakes and Troubleshooting

When undertaking a DIY project like converting a propane stove to natural gas, common pitfalls can occur. Being aware of these can help you avoid mistakes and address issues swiftly.

illustrating common mistakes and troubleshooting during stove conversion from propane to natural gas

Common Conversion Mistakes

  • Forgetting to adjust the regulator: This oversight can lead to improper gas flow and pressure, affecting stove performance.
  • Using incorrect orifice sizes: Ensure the orifices match the specifications for natural gas. Incorrect sizes can cause dangerous conditions.
  • Improper sealant application: Always use the appropriate thread sealant for gas fittings (e.g., pipe dope), ensuring it’s applied correctly to prevent leaks.

Troubleshooting Tips

  • Low flame or uneven heating: Check if the orifices are installed correctly and are of the right size. Also, adjust the air shutters to fine-tune the air-to-gas ratio.
  • Gas smell after conversion: This is a serious safety concern. Immediately turn off the gas supply and check all connections for tightness and correct sealant application. If the smell persists, contact a professional.

By following these guidelines, you can successfully manage the conversion of your propane stove to natural gas. Proper preparation, careful execution, and attention to detail during the conversion process are key to ensuring a safe and effective upgrade to your kitchen’s cooking capabilities.

The Risks of Using Propane on a Natural Gas Stove

Using propane in a natural gas stove without proper modification poses significant safety risks and performance issues. It’s crucial to understand why this practice is dangerous and what potential consequences it may have:

High Pressure and Improper Combustion

Propane operates at a much higher pressure than natural gas—typically around 10 to 15 pounds per square inch (psi), compared to natural gas, which operates under 0.25 psi. When propane is fed through a system designed for the lower pressure of natural gas, the increased pressure can lead to excessive flame heights and uneven heating. This not only affects cooking performance but also increases the risk of fire and burn injuries.

Damage to Stove Components

Natural gas appliances are not designed to handle the higher pressure and heat output of propane. Using propane in a natural gas stove can cause damage to the burners and other components, potentially leading to costly repairs or the need for a complete replacement of the stove.

Increased Risk of Gas Leaks

The fittings, valves, and connectors in a natural gas stove may not provide a secure connection for propane, which can lead to gas leaks. These leaks are not only hazardous to your health (increasing the risk of carbon monoxide poisoning) but also pose a significant explosion risk.

Legal and Safety Considerations

Converting a propane stove to natural gas is not only a technical task but also one that involves specific legal and safety considerations to ensure compliance and safety.

Legal Requirements

  • Permits: Before you begin the conversion, check with your local building inspector or government office to determine if you need a permit. The requirement for permits varies by location but generally involves ensuring the work complies with local building codes.
  • Inspections: After the conversion, an inspection by a certified professional might be necessary to officially approve the installation. This ensures your stove meets all safety standards and can help avoid legal complications in the future.

Safety Measures

  • Professional Help: While DIY kits are available, hiring a qualified technician to either perform or verify your installation can prevent common mistakes and dangers associated with improper installation.
  • Carbon Monoxide Detectors: Ensure that your home is equipped with working carbon monoxide detectors near the kitchen and in sleeping areas, as natural gas appliances can pose risks if not properly installed or maintained.
  • Emergency Procedures: Familiarize yourself with the proper procedures in case of a natural gas leak, including knowing how to turn off your gas line and notifying your gas company immediately.


Converting your propane stove to natural gas can offer many benefits, including lower fuel costs and increased efficiency. However, it’s crucial to approach this project with careful planning and consideration of all safety and legal aspects. Here’s a quick recap of the steps involved:

  1. Preparation: Verify the availability of a natural gas supply and obtain the correct conversion kit and tools.
  2. Conversion Process: Follow detailed steps to replace orifices, adjust the regulator, and connect to the natural gas supply, checking for leaks thoroughly.
  3. Post-Conversion: Test the stove’s functionality, make necessary adjustments, and seek professional inspection.

While DIY projects can be rewarding, the conversion of a propane stove to natural gas should be approached with caution. It is advisable to consult with a professional to ensure your converted stove operates safely and effectively. Remember, this change not only enhances your kitchen’s functionality but also aligns with broader energy efficiency and cost-saving measures.

FAQs on Converting a Propane Stove to Natural Gas

Can I convert any propane stove to natural gas?

Answer: Most modern propane stoves can be converted to natural gas with the right conversion kit. However, it’s important to check the manufacturer’s specifications or consult with a professional to ensure that your specific model is compatible.

What is included in a natural gas conversion kit?

Answer: A typical natural gas conversion kit includes natural gas orifices, a natural gas regulator, and sometimes additional hoses and fittings. It should also come with detailed instructions for your specific stove model.

How long does it take to convert a stove from propane to natural gas?

Answer: The time it takes can vary depending on your experience and the specifics of your stove model, but generally, the conversion process can be completed in a few hours.

Is converting to natural gas more economical than using propane?

Answer: In many areas, natural gas is cheaper than propane, leading to lower ongoing fuel costs. Additionally, natural gas is a more convenient option if your home is already connected to a municipal line.

What should I do if I detect a gas leak after conversion?

Answer: If you smell gas or suspect a leak, immediately turn off the gas at the source, evacuate the area, and call your gas supplier or a professional technician. Do not attempt to fix the leak yourself.

Will converting my stove affect its warranty?

Answer: Converting your stove could void the warranty. Check your warranty details or contact the manufacturer before proceeding with the conversion.

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