Transform Your Propane Heater to Natural Gas in 5 Easy Steps

To convert a propane heater to natural gas, hire a professional and licensed plumber with experience in gas appliances and lines. If you’re looking to switch from propane to natural gas, you may need to convert your propane heater to accommodate the new fuel source.

This can be a daunting task for the average homeowner, as natural gas is piped in at a different pressure than propane and requires different fittings. Furthermore, it’s not wise to attempt to convert the heater yourself, since messing with gas lines and connections can be dangerous and even deadly if not done properly.

So, if you want to ensure a safe and successful conversion, it’s best to hire a licensed plumber who specializes in gas appliances and lines. In this article, we’ll provide you with all the information you need to know about converting your propane heater to natural gas and what steps are involved in the process.

Introduction: Why And How This Guide Can Help You Make The Switch

Are you tired of the hassle and cost of using propane heating for your home or business? Switching to natural gas can be an excellent solution. In this guide, we will explore why natural gas is a better option than propane, the benefits of converting to natural gas, important considerations to keep in mind before making the switch, and an overview of the step-by-step guide for converting your propane heater to natural gas.

Why Natural Gas Is The Better Option Over Propane Heating

Natural gas is a cleaner and more efficient form of energy than propane. Here are a few reasons why natural gas is the better option over propane:

  • Natural gas is less expensive than propane, making it more cost-effective in the long run.
  • Natural gas is delivered through pipelines, which eliminates the need for storage tanks that can take up space and require regular refills.
  • Natural gas is a cleaner-burning fuel than propane, resulting in fewer emissions and less pollution.

Key Benefits Of Converting To Natural Gas

Making the switch to natural gas can offer several benefits, including:

  • Saving money on your energy bills
  • Enjoying a more reliable source of energy with no need for refills
  • Reducing your carbon footprint and contributing to a more sustainable environment

Important Considerations Before Making The Conversion

Before you make the switch from propane to natural gas, it’s important to keep these key considerations in mind:

  • Ensure that natural gas is available in your area and that you have access to a natural gas line.
  • Hire a professional to assess your heating system to determine if it’s compatible with natural gas.
  • Obtain any necessary permits or approvals from your local government or utility company.

Overview Of The Step-By-Step Guide

Converting your propane heater to natural gas requires a few steps, including:

  • Turning off the propane supply to your heating system
  • Installing a natural gas line to your home or business
  • Replacing the propane burner with a natural gas burner
  • Adjusting the air to gas ratio
  • Testing the system to ensure it’s working correctly

By following these steps and working with a qualified professional, you can successfully convert your propane heater to natural gas and enjoy the benefits of this clean, cost-effective, and reliable form of energy.

Step 1: Assessing Your Propane Heater And System Compatibility

What To Look For In Your Propane Heater Before Converting

Before converting your propane heater to natural gas, you need to assess its current condition to determine its compatibility with the new system. Here’s what to look for:

  • Check the age of your propane heater to ensure it’s still in good condition and won’t need costly repairs.
  • Look for information on the propane heater that will help you determine its brand, model, and specifications.
  • Inspect the propane heater for any visible damages, such as cracks or corroded metal.

Compatibility Check: Gas Lines, Safety Features, And Other Requirements

Converting your propane heater to natural gas requires more than just changing the fuel source. You need to ensure that the gas lines, safety features, and other requirements are all compatible with the new system. Here’s what you should double-check:

  • Verify whether your home is connected to a gas line and if it’s compatible with natural gas.
  • Check if the propane heater’s manufacturer recommends natural gas conversion and that it won’t void the warranty.
  • Ensure that all the safety features of the propane heater are compatible with natural gas, such as the flame sensor and pressure switch.
  • Verify whether the size of your heater’s orifices corresponds to the natural gas supply pressure in your area.
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Tools And Supplies You May Need For The Conversion Process

Converting propane heaters to natural gas requires some tools and supplies. You must have the right equipment for a safe and successful conversion. Here’s what you may need:

  • A natural gas conversion kit, which typically includes new orifices, valves, and connecting lines.
  • A wrench and screwdriver for removing propane parts and installing the natural gas conversion kit.
  • A manometer for measuring the gas pressure and ensuring it’s within the safe range.
  • Thread sealant to prevent gas leaks from occurring.

By following these steps, you’ll be able to safely convert your propane heater to natural gas. Remember, if you’re not confident in your skills or you’re unsure about any of the steps, it’s always best to hire a professional to do the job.

Step 2: Turn Off And Disconnect The Propane Source

Why It’s Important To Turn Off And Disconnect The Propane Source

Before beginning the conversion from propane to natural gas for your heater, it’s crucial to turn off and disconnect the propane source to avoid any accidents or injuries. Some reasons why it’s important to turn off and disconnect the propane source include:

  • Safety is a top priority: Propane is highly combustible and can be dangerous, so shutting off the propane source eliminates potential risks, reducing the chance of accidents or injuries.
  • Prevent gas leaks: Turning off and disconnecting the propane source ensures that no propane gas leaks out of the hose or tank, which could be harmful if inhaled or ignite and cause an explosion, resulting in damages to your property or system.
  • Protect the environment: Propane gas is not an environmentally-friendly energy source. Properly disconnecting the propane source can keep the gas from leaking and prevent the negative consequences that could arise from releasing propane gas into the environment.

Steps To Take To Properly Shut Off The Propane System

Shutting off the propane system is an essential step in the conversion process. Follow these steps to ensure the system is turned off correctly and without mishaps:

  • Locate the propane tank: Propane tanks are typically located in a nearby outdoor area. Find the tank and make sure that it’s in an open space that allows for proper ventilation.
  • Turn off the gas valve: Locate the valve on the propane tank, turn it clockwise until it’s closed and tight. This process will effectively shut off the flow of gas.
  • Disconnect the hose: Use a wrench tool to loosen the connection between the hose and the propane tank. Be careful as gas may escape during this step. Remove the hose and store it in a safe place.

Safety Precautions To Keep In Mind During The Disconnection Process

Conversion from propane to natural gas involves some risks. Follow these safety precautions to reduce the potential hazards:

  • Eliminate any potential ignition sources: Before starting the disconnection process, make sure there are no potential ignition sources nearby, such as lit cigarettes, candles, or other open flames.
  • Wear protective gear: Always wear protective gloves, goggles, and clothing on your hands, eyes, and body to protect yourself from any potential injury.
  • Check for gas leaks: Once you’ve shut off the propane source and disconnected the hose, check for gas leaks using a gas leak detector or a sniff test. If you detect any gas leaks, turn off the gas supply to your home or property and contact a professional service technician immediately.

Turning off and disconnecting the propane source is a crucial part of converting from propane to natural gas for your heater. By following these steps and safety precautions, you can keep yourself and your property safe during the process.

Step 3: Connecting Your Propane Heater To Natural Gas

Overview Of The Conversion Process

Converting your propane heater to natural gas can seem intimidating, but with the proper steps, it is a task that can be accomplished with ease. Below is an overview of the conversion process:

  • Converting the fuel orifices
  • Modifying the gas valve
  • Replacing any necessary parts
  • Connecting the gas line to the natural gas source

With these four steps, your propane heater can become a natural gas heater, which can increase energy efficiency and save you money in the long run.

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Converting The Fuel Orifices

The first step in converting your propane heater to natural gas is to change the orifices. Orifices are small, threaded metal fittings that distribute gas to the heater’s burner. The orifices for propane and natural gas are different sizes, so you will need to switch out the propane orifices with natural gas orifices.

Here are the steps to follow:

  • Turn off the propane supply and disconnect the heater from the gas line.
  • Locate the orifices on the burner and remove them using a wrench.
  • Clean the orifices with compressed air or a wire brush to remove any debris.
  • Install the natural gas orifices by screwing them into place with a wrench.
  • Reconnect the heater to the gas line.

Modifying The Gas Valve

The gas valve controls the flow of gas to the burner and is designed specifically for propane or natural gas use. If you’re converting your propane heater to natural gas, you will need to modify the gas valve to fit the new fuel type.

Follow these steps for modifying the gas valve:

  • Turn off the gas supply and disconnect the heater from the gas line.
  • Locate the gas valve and remove it from the heater.
  • Carefully remove the regulator from the valve casing.
  • Replace the regulator with a natural gas regulator.
  • Reinstall the gas valve and reconnect the heater to the gas line.

Replacing Any Necessary Parts

In some cases, when you convert your propane heater to natural gas, some parts may need to be replaced. Check your heater’s manual or speak to a professional before beginning the conversion process. Here are some parts that may need to be replaced:

  • Burner
  • Valves
  • Pilot light assembly
  • Vent pipes
  • Pressure regulator

Connecting The Gas Line To The Natural Gas Source

Once you have converted your propane heater to natural gas, you will need to connect it to the natural gas line. Here is a step-by-step guide on how to connect your gas line to the natural gas source:

  • Turn off the natural gas supply and disconnect any old connections.
  • Install a new shut-off valve and gas line to your natural gas supply.
  • Connect the gas line to the new shut-off valve using a wrench.
  • Connect the other end of the gas line to the heater’s gas inlet using a wrench.
  • Make sure all connections are tight and secure.
  • Turn on the natural gas supply and test the heater for any gas leaks.

Now that you have successfully converted your propane heater to natural gas, you can enjoy the cost savings and increased energy efficiency of your new setup. Remember to always follow proper safety precautions and consult with a professional if needed.

Step 4: Fine-Tuning The System And Testing For Safety

Adjusting Gas Pressure And Air Intake To Optimize Your New Heating System

To convert propane heater to a natural gas system, it’s essential to fine-tune the gas pressure and air intake. This will not only ensure that the system operates optimally, but it will also help extend its lifespan and keep energy costs down.

Here’s how to make the necessary adjustments:

  • Adjust the gas regulator to match the pressure requirements of your heating system.
  • Observe and make necessary adjustments to the air shutter to control the flame’s intensity and size.
  • Ensure that the flame is blue with little to no yellow. A yellow flame indicates incomplete combustion and could corrode your system’s components.

How To Test The System For Leaks And Other Safety Concerns

After completing all the necessary adjustments, it’s crucial to test your new heating system for leaks and other safety concerns. Here are the steps to follow:

  • Turn off the gas supply and turn on all the valves to empty the gas line.
  • Put a little soapy water in a spray bottle.
  • Spray soapy water on all fittings, joints, and pipes.
  • Turn the gas supply back on and turn on your heating system.
  • Check for any soap bubbles, which indicate gas leaks.
  • If there are no leaks, use co detectors to ensure that the system’s carbon monoxide levels are within safe limits.

What To Do If There Are Issues With The System After Installation

Installing a new heating system can be challenging, and it’s not uncommon to experience some issues after installation. Here’s what to do if your system isn’t working correctly:

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  • Check to ensure that all pipes and fittings are correctly installed and tightened.
  • Ensure that the main gas supply valve is open.
  • If the pilot light keeps going out, check the air shutter for blockages or other obstructions.
  • Call a professional if you notice any gas leaks or if you can’t diagnose and fix the problem.

By following these steps, you can convert your propane heater to natural gas and enjoy a more energy-efficient heating system. Just remember to prioritize safety and always call a professional for help if you’re unsure about anything.

Step 5: Enjoying Your New Heating System And Economy Friendly Bill

Leveraging The Cost Savings And Environmental Benefits Of Natural Gas Heating

Utilizing natural gas as the primary source of heating in your home can save you a lot of money in the long run. Here are some of the key advantages that come with making the switch to natural gas:

  • One of the biggest benefits of natural gas heating is cost savings. Natural gas is usually less expensive than propane, and it is a much more efficient way to heat your home, often resulting in lower utility bills.
  • Additionally, natural gas is considered a cleaner source of energy. It produces fewer emissions than propane, making it a more eco-friendly option for your home.
  • Natural gas is piped directly into your home, meaning you don’t have to worry about refilling a propane tank. This can save you time and hassle, while also providing a more dependable source of heat.

Tips For Maintaining Your New Heating System

Here are some crucial tips to keep your new natural gas heating system in optimal condition:

  • Regularly schedule maintenance checks for your heating system, ideally once a year, to ensure that everything is working correctly, and to identify any potential problems early on.
  • Stay on top of filter replacements. Dirty filters reduce airflow, causing your heating system to work harder and lead to more significant bills.
  • Adjust your thermostat according to the seasons. In the winter months, keep your thermostat at a lower temperature when you’re away from home and at night to save on utility bills.
  • Additionally, avoid closing off a few rooms in your home to restrict heat distribution. It can result in your system working harder and costing more energy.

Future Opportunities For Optimizing Energy Efficiency Using Natural Gas

Apart from the cost savings and environmental benefits that come with natural gas heating, here are some future opportunities to optimize energy efficiency and save more money:

  • Consider purchasing an energy star® rated natural gas furnace. Energy star® rated appliances are designed to consume significantly less energy, resulting in lower utility bills and a considerable environmental impact.
  • Install a programmable thermostat that can adjust automatically according to certain time intervals and days of the week. It comes in handy when you’re away from home because it helps save energy and cut down your utility bill.
  • Invest in a whole-home insulation system that can considerably reduce heat loss and gain, thereby reducing your energy usage and cutting down your heating and cooling costs.

When converting from propane to natural gas heating, it’s essential to understand the benefits, maintain your system effectively, and identify future opportunities to optimize energy efficiency. Now that you’ve taken care of all these factors, you can sit back and enjoy your new heating system and environment-friendly utility bill.


After carefully going through the steps on how to convert a propane heater to natural gas, it is evident that the process is straightforward and easily achievable. With the right tools and guidelines, you can safely switch from propane to natural gas without causing damages to the heater or endangering your safety.

However, it is crucial to remember that you may need to seek professional help if you’re not confident in your DIY skills. If you’re looking to save money and start enjoying the numerous benefits of natural gas in your home, then this article has provided you with the necessary information to achieve that.

It is essential to follow the guidelines carefully and take safety precautions to avoid any accidents. In the end, converting propane to natural gas is not only cost-effective but also environmentally friendly, so go ahead and make the necessary changes today.

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