Updated August 27, 2023

How To Connect Generator To Natural Gas Line Installation – (10 Steps)

While portable generators are a popular choice they often require a steady supply of fuel which may not be readily available during critical situations. This is where connecting a generator to a natural gas line can offer a reliable and convenient solution. read on how to connect generator to natural gas line?

In this blog post, we will explore the process of hooking up a generator to a natural gas line providing you with 10 ways and valuable insights to help you navigate this endeavor with confidence. By tapping into your existing natural gas supply,


How To Install Natural Gas Line For Generator?



So, How to Connect Generator To Natural Gas Line Installation?


Here is a detailed step-by-step guide to connecting a generator to a natural gas line. Please note that this guide is intended just for informational purposes and that for your particular installation, it is strongly advised that you speak with a licensed professional.


1. Generator Compatibility and Fuel Requirements


Verify that your generator is designed to run on natural gas. Refer to the generator’s specifications or consult the manufacturer’s documentation. Ensure the generator’s fuel regulator and carburetor can handle natural gas.

If your generator is not compatible with natural gas. Consider purchasing a dual-fuel generator that can run on both natural gas and propane. However, you can use a conversion kit for the generator to allow both of the fuel.

Related : (8 Steps) Generators Run on Natural Gas Converting Process?


2. Consult with a Professional


Contact a licensed technician generator installer or a qualified plumber experienced in gas line installations. Provide them with the necessary details about your generator gas line and the installation location.

The professional will evaluate the feasibility of connecting your generator to the natural gas line and guide you through the process.


3. Obtain Permits and Familiarize Yourself with Local Regulations


Check with your local authorities regarding permits and regulations for connecting generators to natural gas lines.

Work with your professional installer to acquire the necessary permits and ensure compliance with local codes.


4. Gas Line Sizing and Pressure Requirements


The professional will evaluate the capacity of your existing gas line and determine if it can accommodate the additional load of the generator.

They will consider factors such as gas line diameter material and distance from the source to ensure it meets the generator’s fuel demands.

The gas pressure should meet the specifications provided by the generator manufacturer for optimal performance.

If modifications are needed such as increasing the line size or installing a separate line the professional will plan accordingly.


5. Plan the Installation


Select the location for the generator ensuring it meets the necessary clearance requirements and is easily accessible for maintenance and repairs.

Determine the route for running the new gas line from the natural gas source to the generator location. Account for any necessary fittings, valves, and regulators along the route.


6. Install the Gas Line


The professional will install a dedicated gas line from the natural gas source to the generator location. They will follow local building codes and safety standards using appropriate materials and techniques.

Gas pipes will be securely fastened and all connections will be properly sealed to prevent leaks. Shut-off valves and regulators will be installed to control gas flow and pressure to the generator.


7. Test and Inspect


The professional will conduct tests to ensure proper gas flow pressure and leak-free connections. They will inspect the entire installation including fittings and seals to ensure everything meets safety standards.

Related: How to Connect Gas Cylinder to the Generator?


8. Work with Your HVAC Contractor


  1. Work with your HVAC contractor to ensure that your generator is properly sized for your home and needs.
  2. Choose a location for your generator that is close to your natural gas line.
  3. Have your HVAC contractor install a shut-off valve near the generator.
  4. Install a flexible gas connector from the shut-off valve to the generator.
  5. Make sure that the connection is secure and does not leak gas.
  6. Test the connection by starting up the generator and running it for a few minutes.
  7. Shut down the generator and disconnect the gas line when you are finished using it.

9. Install Shutoff Valves Outside and Inside of the Unit


  • Turn off the gas at the propane tank or meter.
  • Disconnect the black steel pipe from the existing flex line.
  • Remove any tape or wrap from the threads of both shutoff valves and lightly coat threads with joint compound.
  • Hand-tighten each valve a few turns onto its corresponding pipe end.
  • Tighten each valve another 1/4 turn with a wrench, being careful not to overtighten and damage valves or pipes.
  • Reconnect the black steel pipe to the flex line, making sure that the connection is secure and will not leak gas.

10. Maintenance and Monitoring


Regularly maintain and inspect both the generator and the gas line to ensure proper functioning and safety.

Monitor for any signs of gas leaks, unusual odors, or performance issues, and contact a professional immediately if you encounter any problems.

Remember, working with natural gas involves potential risks, so it is crucial to engage professionals who are experienced in generator installations and gas line connections. They’ll make sure the procedure is done safely and in accordance with local laws.


Conclusion: Generator Gas Line Installation Process


The easiest way to connect the generator to the natural gas line is by using the method of connecting the generator to the natural gas line. The process of connecting the generator to the natural gas line is very simple and safe.

All you need to do is follow the step-by-step instructions provided by us and enjoy the benefits of a natural gas generator.


FAQs: How To Hook Up a Generator to Natural Gas Line?


Can I connect any generator to a natural gas line?

Not all generators are designed to be connected to a natural gas line. However, there are specific models known as dual-fuel or tri-fuel generators that can be connected to both natural gas and other fuel sources like propane or gasoline.

What equipment do I need to connect a generator to a natural gas line?

To connect a generator to a natural gas line, you will need a dedicated natural gas connection point a compatible dual-fuel or tri-fuel generator, and a gas regulator specifically designed for natural gas.

Do I need a professional to connect my generator to the natural gas line?

It is highly recommended to hire a licensed professional or a qualified technician to connect your generator to the natural gas line. They have the necessary expertise and knowledge to ensure a safe and proper installation, which may involve dealing with gas lines and potentially hazardous situations.

Are there any safety considerations when connecting a generator to a natural gas line?

Safety is paramount when dealing with gas lines. It is essential to follow all safety guidelines provided by the generator manufacturer and adhere to local building codes. Additionally, ensure proper ventilation and avoid installing the generator in confined spaces to prevent the accumulation of dangerous gases.

What are the benefits of connecting a generator to a natural gas line?

Connecting a generator to a natural gas line offers several advantages. First of all the availability of natural gas as a fuel source avoids the need to refuel or store huge amounts of petrol or propane. Secondly, it provides a continuous fuel supply allowing for extended operation during power outages. Lastly, natural gas is generally more cost-effective compared to other fuel options making it an economical choice for long-term generator usage.

About Saad Ahmed
Hi am Saad Ahmed and as you can see that i have been a generator mechanic for the past 12 years of experience in this industry. But now i am Full time digital marketer and affiliate blogger.