Propane To Natural Gas Orifice Conversion Chart

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emoji Greetings MonsterWoodshop readers! Are you considering converting your propane appliance to natural gas? If so, you’re in the right place. In this article, we’ll walk you through everything you need to know about propane to natural gas orifice conversion chart. emoji


emoji What is Propane to Natural Gas Orifice Conversion Chart?

Propane and natural gas are widely used for cooking, heating, and powering appliances. Both fuels have their advantages and disadvantages, but natural gas is generally considered more efficient, affordable, and environmentally friendly. Switching from propane to natural gas can save you money on fuel bills and reduce your carbon footprint, but it’s not always a straightforward process.

Gas appliances are designed to run on a specific fuel type and require different orifice sizes to function properly. Orifices are tiny holes that regulate the flow of gas into the appliance’s burner. Propane orifices are smaller than natural gas orifices because propane has a higher pressure and burns hotter than natural gas. Switching from propane to natural gas requires adjusting the orifices to compensate for the difference in pressure and heat content.

emoji Why do you need a Conversion Chart?

Converting orifices can be challenging, especially if you don’t have the right tools or information. A propane to natural gas orifice conversion chart can make the process easier and more accurate. The chart provides a conversion ratio for each orifice size, which allows you to calculate the correct size for your appliance. The chart also includes technical specifications for different types of orifices and burners, such as drill size, thread size, and BTU rating.

emoji What are the benefits of Propane to Natural Gas Conversion Chart?

A propane to natural gas orifice conversion chart can save you time, money, and frustration when converting your appliances. Here are some of the benefits of using a conversion chart:

  • emoji Accurate sizing: The chart provides precise conversion ratios for different size orifices, ensuring that your appliance functions correctly and safely.
  • emoji Convenience: The chart is easy to use and allows you to convert orifices quickly and easily without requiring technical knowledge or experience.
  • emoji Compatibility: The chart includes information about various types of orifices and burners, making it compatible with a wide range of appliances.
  • emoji Cost-effective: The chart saves you money by helping you avoid costly mistakes and unnecessary expenses associated with the incorrect sizing of orifices.

emoji What are the weaknesses of Propane to Natural Gas Conversion Chart?

While a propane to natural gas orifice conversion chart has several advantages, it’s not a foolproof solution. Here are some of the limitations and challenges you may encounter:

  • emoji Inaccuracy: The conversion chart provides a general conversion ratio that may not be suitable for all appliances or conditions. Factors such as altitude, gas pressure, and appliance type can affect the orifice size needed.
  • emoji Safety risks: Converting orifices incorrectly can cause gas leaks, fire hazards, or appliance damage, leading to expensive repairs or even life-threatening situations.
  • emoji Limited information: Some appliances may require additional information or customization that is not available on the conversion chart, such as special burners or valves. In such cases, it’s best to consult a professional or the appliance manufacturer.

emoji When should you use a Propane to Natural Gas Conversion Chart?

If you’re considering converting your propane appliance to natural gas, using a propane to natural gas orifice conversion chart can be helpful in the following situations:

  • emoji DIY projects: If you’re a DIY enthusiast, you can use the conversion chart to convert orifices yourself, provided you have the necessary tools and skills.
  • emoji Homeowners: If you own a natural gas home and want to add a propane appliance, such as a grill or heater, you can use the chart to convert the orifices to propane safely and efficiently.
  • emoji Professional installers: If you’re a professional installer or technician, you can use the chart to advise your clients or customers on the correct orifice size for their appliance.

Propane to Natural Gas Orifice Conversion Chart Table

Orifice Size Propane Drill Bit Size Natural Gas Drill Bit Size Conversion Ratio
0.039 0.106 0.160 0.30
0.044 0.116 0.173 0.33
0.057 0.142 0.212 0.44
0.070 0.167 0.251 0.51
0.083 0.194 0.290 0.57
0.086 0.201 0.301 0.67
0.106 0.234 0.350 0.67

FAQs About Propane to Natural Gas Orifice Conversion Chart

1. What is an orifice?

An orifice is a small hole that regulates the flow of gas into a burner. It is usually located in the gas valve or the burner itself.

2. How do I know if my appliance is compatible with natural gas?

Check your appliance’s user manual or contact the manufacturer to see if it can be converted to natural gas. Some appliances are not designed for conversion or require special kits.

3. Can I convert my natural gas appliance to propane?

Yes, you can convert a natural gas appliance to propane using a similar process with a conversion chart and the right tools.

4. Should I hire a professional to convert my appliances?

If you’re not confident in your DIY skills or have a complex or high-risk appliance, it’s best to hire a licensed technician or installer to convert your appliances safely and according to local codes and regulations.

5. How do I determine the correct drill size for my orifice?

You can use a drill chart or a conversion chart to determine the appropriate drill bit size for your orifice.

6. Can I use a one-size-fits-all conversion chart for all appliances?

No, different appliances and burners require different orifice sizes and conversion ratios. Always check the manufacturer’s specifications and use a conversion chart that matches your appliance’s needs.

7. What are the most common mistakes when converting orifices?

Some of the most common mistakes when converting orifices include using the wrong drill bit size, not reaming the orifice or burrs, and not checking for leaks or proper ignition.

8. How do I check for gas leaks after conversion?

You can use a gas leak detector spray or a soap solution to check for gas leaks. Spray the solution over the connection points and look for bubbles. If you detect a leak, turn off the gas supply immediately and contact a professional.

9. Is propane or natural gas safer?

Both fuels are safe when used correctly and maintained properly. However, propane is denser than air and can settle in low-lying areas, causing fire or explosions if ignited. Natural gas is lighter than air and can disperse into the atmosphere more quickly.

10. How do I maintain my converted appliance?

Regular maintenance, such as cleaning the burner and orifice, checking for leaks, and replacing worn-out or damaged parts, can prolong the life and efficiency of your converted appliance.

11. What are the environmental benefits of natural gas?

Natural gas releases fewer greenhouse gases and pollutants than other fossil fuels, such as coal or oil. It is also abundant and domestically sourced, reducing dependence on foreign oil.

12. Can I save money on my fuel bills by converting to natural gas?

Yes, natural gas is generally cheaper than propane and other fuels. However, the savings depend on the price of natural gas in your area, your appliance’s efficiency, and your usage patterns.

13. What are the legal requirements for converting appliances to natural gas?

The legal requirements for converting appliances to natural gas vary by state and local regulations. You may need to obtain a permit, hire a licensed installer, or meet specific safety standards. Check with your local authorities before starting the conversion process.


emoji That’s it, folks! We hope this article has shed some light on the advantages and disadvantages of propane to natural gas orifice conversion chart and how to use it safely and effectively. Remember to always follow the manufacturer’s instructions, use the right tools and equipment, and prioritize safety when working with gas appliances. Whether you’re a homeowner, a DIY enthusiast, or a professional installer, a propane to natural gas orifice conversion chart can make your life easier and help you save money, energy, and the environment.

emoji Don’t hesitate to share your thoughts, comments, and feedback with us in the comment section below. We love hearing from our readers and learning from their experiences and tips. emoji


emoji Important Note:

This article is meant for informational purposes only and should not be construed as professional or legal advice. Always consult the manufacturer’s instructions, local regulations, and licensed technicians or installers before attempting to convert your gas appliances. The author and the website are not responsible for any damages, injuries, or losses that may occur as a result of using this article or its content.

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