Can a Portable Generator be Connected to Natural Gas? Here’s How to Do so

By Alex McGill

In a world where convenience is king, the idea of powering essential appliances seamlessly becomes a paramount concern. So, can a portable generator be connected to natural gas? Picture this: the tranquility of your backyard, the hum of a generator ensuring your space stays lit and cozy. It’s not just about electricity; it’s about the uninterrupted warmth during a storm or a camping trip.

Imagine the ease of fueling your generator with the same natural gas that warms your home. Join us on a journey where convenience meets reliability, where a portable generator becomes an integral part of your lifestyle.

Key Points

  • Connecting a portable generator to natural gas offers improved efficiency, reliability, and reduced emissions compared to gasoline or diesel.
  • It provides cost savings due to lower fuel costs and eliminates the need for frequent refueling.
  • The use of proper connectors, adaptors, and valves is essential for a safe and effective natural gas connection.
  • Safety considerations include meeting venting requirements, proper inspection of components and connections, and compliance with local regulations and codes.

Can a Portable Generator Be Connected to Natural Gas?

Yes, a portable generator can be connected to natural gas, but it requires a conversion kit. Portable generators typically run on gasoline or diesel, but with a conversion kit, they can be adapted to run on natural gas. This involves installing a regulator and carburetor jets that are compatible with natural gas.

Connecting a portable generator to natural gas has several advantages. Firstly, natural gas is often more readily available and can be less expensive than gasoline or diesel. Additionally, it’s a cleaner-burning fuel, resulting in lower emissions and reduced environmental impact.

However, it’s important to note that the conversion should be performed by a qualified technician to ensure it’s done safely and in compliance with local regulations. Additionally, some portable generators may not be compatible with natural gas conversion, so it’s crucial to check the manufacturer’s guidelines before attempting the conversion.

Gas Connection Queries: Can a Portable Generator Be Connected to Natural Gas

Why Should You Connect a Portable Generator to Natural Gas?

Connecting a portable generator to natural gas provides a continuous and reliable source of fuel during power outages. Unlike other fuel options with finite reserves, natural gas connections ensure an uninterrupted supply as long as the gas lines remain operational. This is particularly advantageous for extended outages, offering a seamless and sustained power supply without the need for manual fuel refilling.

Moreover, the convenience of a natural gas connection eliminates the hassle associated with storing and managing fuel reserves. There’s no need for fuel storage tanks, and users don’t have to worry about periodic refills or fuel quality issues that can arise with other fuel types. This simplicity in operation translates into a hassle-free experience for homeowners, especially during critical times when power continuity is essential.

In addition to the practical benefits, natural gas generators are often considered more environmentally friendly compared to their counterparts. Burning natural gas produces fewer emissions, contributing to a cleaner and greener power solution. For environmentally conscious individuals, this aspect adds a layer of sustainability to their choice of backup power.

In essence, connecting a portable generator to natural gas offers a reliable, convenient, and eco-friendly power solution. The continuous fuel supply, coupled with ease of operation, positions natural gas as a valuable choice for those seeking a seamless backup power experience during unexpected outages.

Can a Portable Generator Be Connected to Natural Gas

How to Connect a Portable Generator to Natural Gas?

Connecting your portable generator to natural gas can be a game-changer for seamless, uninterrupted power during emergencies. Below, we’ll delve into the step-by-step process to ensure a safe and efficient connection.

Step 1: Gather Necessary Tools and Materials

To kickstart the conversion process, you’ll need to assemble the crucial tools and materials. Here’s a detailed list:

  1. Portable Generator:
    • Select a generator suitable for your power needs and equipped for conversion to natural gas.
  2. Natural Gas Conversion Kit:
    • Acquire a conversion kit compatible with your generator model. This kit typically includes components like a gas regulator and necessary fittings.
  3. Wrench Set:
    • Ensure you have a set of wrenches in various sizes. These will be essential for disconnecting and reconnecting components during the conversion.
  4. Pipe Sealant:
    • Use a high-quality pipe sealant suitable for gas connections. This ensures airtight seals and prevents gas leaks.
  5. Screwdrivers:
    • Have both flat-head and Phillips-head screwdrivers on hand. These tools will be necessary for removing panels or covers from the generator.
  6. Safety Goggles:
    • Prioritize safety by wearing goggles to protect your eyes during the conversion process. This is especially important when working with tools or in tight spaces.
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Step 2: Prepare the Generator

Before beginning the conversion, take the following preparatory steps to ensure a smooth process:

  1. Turn Off the Generator:
  2. Disconnect from Power Sources:
    • Unplug the generator from any electrical outlets or connections. This is a critical safety measure to prevent electrical accidents during the conversion.
  3. Remove Existing Fuel Sources or Connections:
    • If your generator previously ran on propane or gasoline, disconnect these fuel sources. Use the wrench set to carefully remove any existing fuel lines connected to the carburetor.
  4. Clear the Workspace:
    • Create a clutter-free and well-lit workspace around the generator. This ensures easy access to components and reduces the risk of accidents during the conversion.

Following these steps sets the stage for a safe and efficient conversion process. Once you have gathered the necessary tools and prepared the generator, you can move on to the subsequent steps of connecting your portable generator to natural gas.

Step 3: Locate the Carburetor

Locating the carburetor is a crucial task in the conversion process, as it serves as a key component in the operation of your generator. Follow these detailed steps:

  1. Identify the Generator Model: Refer to your generator’s manual to determine the specific location of the carburetor. This information is crucial for a precise and efficient search.
  2. Remove Cover or Panel: Depending on your generator model, you may need to remove a cover or panel to gain access to the carburetor. Use the appropriate tools, such as screwdrivers or wrenches, to carefully detach any securing elements.
  3. Visual Inspection: Once the carburetor is exposed, visually inspect the area for any signs of damage or wear. This is also an excellent opportunity to familiarize yourself with the carburetor’s components.

Step 4: Install the Natural Gas Conversion Kit

a) Disconnect Existing Fuel Lines:

  1. Safety First: Prioritize safety by wearing safety goggles and gloves. Ensure the generator is turned off and disconnected from any power sources.
  2. Identify Fuel Lines: Using the wrench set, identify and carefully disconnect any existing fuel lines attached to the carburetor. Be cautious to contain any spilled fuel in a suitable container.

b) Attach the Conversion Kit:

  1. Review Manufacturer’s Instructions: Thoroughly review the manufacturer’s instructions provided with the natural gas conversion kit. Ensure you understand each step before proceeding.
  2. Secure Attachment: Following the guidelines, securely attach the natural gas conversion kit to the generator. This typically involves connecting a new gas line to the carburetor.
  3. Adjust Carburetor Settings: Make any necessary adjustments to the carburetor settings as specified in the instructions. This step is crucial for optimal performance with natural gas.

c) Secure Connections:

  1. Apply Pipe Sealant: To prevent leaks and ensure airtight connections, apply pipe sealant to the threads of the connections. This step is vital for the long-term reliability of the natural gas conversion.
  2. Tighten Connections: Using the wrench set, tighten all connections securely. Double-check each connection point to ensure there are no loose fittings.

By following these detailed steps for locating the carburetor and installing the natural gas conversion kit, you can successfully adapt your generator for use with natural gas, enhancing its functionality and reliability.

Step 5: Test the Generator

Before fully relying on your generator, it’s essential to conduct a thorough test to ensure a smooth transition to natural gas operation.

  1. Add Natural Gas to the Fuel Tank:
    • Using a suitable container or a funnel, add a small amount of natural gas to the generator’s fuel tank. Be cautious not to overfill, as this could lead to operational issues.
  2. Follow Manufacturer’s Instructions:
    • Consult the manufacturer’s guidelines for starting the generator. Different models may have specific startup procedures, and it’s crucial to adhere to these instructions to prevent damage and ensure optimal performance.
  3. Start the Generator:
    • Initiate the generator following the recommended startup procedure. This may involve priming the engine, engaging the choke, and activating the ignition. Refer to the user manual for detailed instructions on your specific model.
  4. Observe and Listen:
    • Pay close attention to the generator’s operation. Listen for any unusual noises and observe the exhaust for consistent output. A smooth and steady operation indicates a successful connection to natural gas.
  5. Runtime Verification:
    • Allow the generator to run for a brief period to confirm its stability. This step ensures that the natural gas conversion is functioning correctly and that the generator can sustain the load it may encounter during an actual power outage.
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Step 6: Safety Checks

Once the generator has been tested, it’s time to perform comprehensive safety checks to guarantee secure and reliable operation.

  1. Inspect all Connections:
    • Carefully examine all connections, including those from the natural gas conversion kit. Look for any signs of leaks, loose fittings, or irregularities. Tighten connections if necessary.
  2. Check Fuel Lines and Hoses:
    • Inspect the fuel lines and hoses for wear, damage, or aging. Replace any components that show signs of deterioration to prevent potential hazards.
  3. Ventilation Assessment:
    • Ensure the generator is placed in a well-ventilated area. Generators emit carbon monoxide, a colorless and odorless gas that can be dangerous in enclosed spaces. Adequate ventilation is crucial to prevent the buildup of harmful gases.
  4. Secure Exhaust System:
    • Verify that the exhaust system is securely attached. A loose or damaged exhaust system can pose safety risks and impact the generator’s performance.
  5. Compliance with Safety Protocols:
    • Adhere to all safety protocols outlined in the generator’s user manual. This includes recommended clearances around the generator, proper grounding, and any additional safety guidelines provided by the manufacturer.

By diligently following these steps, you can ensure that your portable generator is not only successfully running on natural gas but also doing so in a safe and reliable manner.

Different Types of Natural Gas Connectors

When it comes to powering generators, natural gas connectors play a vital role in ensuring a seamless and reliable fuel supply. Understanding the different types of connectors available is essential for proper installation and optimal generator performance.

Connector TypeDescription
Quick-Connect FittingsQuick-connect fittings provide an efficient and secure way to connect and disconnect natural gas lines swiftly. They are often used for portable generators and applications requiring frequent setup.
Flexible ConnectorsFlexible connectors are made of durable materials and provide some degree of movement, making them suitable for installations where vibration or slight movement may occur.
Rigid Pipe ConnectorsRigid pipe connectors are sturdy and offer a more permanent solution for connecting generators to natural gas lines. They are commonly used in fixed or standby generator installations.
Flared ConnectorsFlared connectors utilize a tapered design to create a tight seal, preventing gas leaks. They are known for their reliability and are commonly employed in both residential and industrial settings.

Understanding the characteristics of each natural gas connector type is crucial for selecting the most appropriate option based on your generator’s requirements and installation environment.

Pros and Cons of Switching to Natural Gas

Switching to natural gas for generators presents both advantages and drawbacks, influencing the decision-making process for individuals or businesses looking to enhance their power solutions.


  • Natural gas is often more cost-effective than other fuel sources, providing potential long-term savings.
  • Connected to a gas line, generators can run for an extended period without interruption, ideal for prolonged outages.
  • Natural gas is a cleaner-burning fuel, contributing to reduced emissions and environmental impact.


  • Natural gas generators are less portable compared to some other options, restricting usage in certain scenarios.
  • Reliance on a gas supply infrastructure means interruptions in the gas line can affect the generator’s functionality.
  • The initial investment for a natural gas generator and installation may be higher than other alternatives.

Troubleshooting Common Natural Gas Connection Issues

Natural gas is a reliable fuel source for generators, but issues may arise that interrupt the connection. Here’s a guide to troubleshoot common problems:

  • Check Gas Supply: Ensure that there’s an adequate supply of natural gas to the generator. Gas service interruptions or low pressure can affect its operation.
  • Inspect Gas Lines: Examine the gas lines for any visible damage or leaks. Use a gas leak detector solution to identify leaks by applying it to connections and watching for bubbles.
  • Verify Valve Positions: Confirm that the gas shut-off valve between the gas source and the generator is fully open. Closed or partially closed valves can impede gas flow.
  • Clean Gas Regulator: Over time, gas regulators can accumulate dirt or debris, affecting pressure. Regularly clean the regulator to maintain optimal gas flow.
  • Check for Obstructions: Ensure that there are no obstructions in the gas line. Debris or insects can block the line, preventing the generator from receiving an adequate gas supply.
  • Inspect Pilot Light: If the generator has a pilot light, check to see if it’s lit. A extinguished pilot light can disrupt the gas flow, preventing the generator from starting.
  • Consult Gas Provider: If troubleshooting steps don’t resolve the issue, contact your natural gas provider. They can check for any system-wide outages or address issues with the gas supply.

Remember, safety is paramount when dealing with gas connections. If you’re uncertain or uncomfortable with any troubleshooting steps, it’s advisable to seek professional assistance to ensure proper and safe resolution.

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Tips for Running Natural Gas Generators Smoothly

Running a generator on natural gas offers a reliable and continuous power supply. To ensure optimal performance and longevity, consider the following tips:

  • Regular Maintenance:
    • Schedule routine maintenance checks to inspect for any issues and ensure all components are functioning correctly.
    • Change oil and filters as recommended by the manufacturer to keep the engine running smoothly.
  • Check for Gas Leaks:
    • Periodically inspect the gas lines and connections for any leaks.
    • If you detect a gas leak, immediately turn off the generator and address the issue before restarting.
  • Proper Ventilation:
    • Ensure the generator is located in a well-ventilated area to prevent the buildup of carbon monoxide.
    • Adequate ventilation also helps maintain the generator’s temperature within acceptable limits.
  • Load Management:
    • Avoid overloading the generator by connecting only essential appliances.
    • Managing the load helps maintain a steady power supply and prevents unnecessary strain on the generator.
  • Run at Moderate Loads:
    • Running the generator at moderate loads instead of constantly operating at maximum capacity can enhance efficiency and prolong its lifespan.
  • Monitor Engine Temperature:
    • Keep an eye on the generator’s engine temperature to prevent overheating.
    • If the temperature exceeds recommended levels, take immediate action to avoid damage to internal components.
  • Invest in a Quality Regulator:
    • Use a high-quality pressure regulator to maintain consistent gas flow to the generator.
    • A reliable regulator ensures optimal combustion and overall performance.
  • Emergency Shutdown Procedures:
    • Familiarize yourself with the emergency shutdown procedures outlined in the generator’s manual.
    • Knowing how to quickly and safely shut down the generator can prevent potential hazards.
  • Professional Inspection:
    • Periodically enlist the services of a professional technician to conduct thorough inspections.
    • Professionals can identify and address potential issues before they escalate, ensuring the generator’s smooth operation.
  • Follow Manufacturer Guidelines:
    • Adhere to the manufacturer’s guidelines and recommendations for your specific natural gas generator model.
    • Following these guidelines ensures that you are operating the generator within its intended parameters.

Implementing these tips will contribute to the smooth operation of your natural gas generator, providing you with reliable backup power when you need it most.


In conclusion, the option to connect a portable generator to natural gas opens a realm of possibilities for convenient and sustainable power generation. This integration not only provides a reliable energy source but also contributes to reducing environmental impact. However, it’s imperative to ensure compatibility and follow proper installation protocols.

As you explore this innovative power solution, let this guide serve as your compass, guiding you towards a more efficient and eco-conscious approach to portable power generation. Embracing natural gas as a fuel source for your portable generator is a forward-thinking choice that aligns with both convenience and environmental responsibility.


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Frequently Asked Questions

How Much Does It Cost to Connect a Portable Generator to Natural Gas?

The cost of installing a portable generator to natural gas can vary depending on the type and size of the generator. Fuel efficiency is also an important factor to consider, as it affects the long-term costs. Generally, professionals recommend seeking expert advice for installation, as this can save money in the long run.

Is It Safe to Leave a Portable Generator Connected to Natural Gas While Not in Use?

Leaving a portable generator connected to natural gas can be risky, as if not monitored and managed correctly, the consequences can lead to damaging outcomes. To ensure safety, it is essential to set timers for checking valves and the setting each time it is used. With consistent monitoring of these elements, one can gain a sense of belonging knowing their generator is safely connected.

Is a Professional Needed to Connect a Portable Generator to Natural Gas?

Connecting a portable generator to a gas supply can result in economic running costs, however it is recommended that professional assistance is sought for the connection process as incorrect installation could be dangerous. Knowledgeable professionals possess the necessary experience and expertise to ensure safe and secure connections.

How Long Will It Take to Connect a Portable Generator to Natural Gas?

Connecting a portable generator to natural gas can be done relatively quickly, and the running costs are usually lower than other fuel sources. However, installation costs should also be taken into consideration when planning out the project.

Are There Any Special Requirements for Connecting a Portable Generator to Natural Gas?

Connecting a portable generator to natural gas requires consideration of the type of gas, fuel supply, and safety regulations. Special requirements may also include additional hardware or tools for secure installation. Knowledgeable professionals can provide guidance on how to properly connect a generator to natural gas for optimal performance.

Can you use natural gas on a portable generator?

Many portable generators are versatile and can run on natural gas, propane, diesel, or gasoline. These adaptable generators, known as dual-fuel or tri-fuel generators, offer flexibility in choosing the fuel source.

How long can you run a portable generator on natural gas?

Portable generators are designed for shorter durations, typically lasting between 6 to 18 hours. They prove useful for camping trips in RVs or powering essential home appliances during emergencies. However, they are not recommended for prolonged use during extended power outages.

Can you hook up a natural gas line to a generator?

To enhance convenience during inclement weather, homeowners often opt to connect a gas line from their house to the generator outside. This setup ensures a seamless fuel supply for the generator, providing a reliable source of energy for increased safety and comfort during events like winter storms.

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