How to Replace Burners on Nexgrill 720-0773 720-0783 Gas Grill

Are you struggling to replace the burners on your Nexgrill 720-0773 or 720-0783 gas grill? Don’t worry, we’ve got you covered!

In this article, we will guide you through the step-by-step process of replacing the burners on your grill. With just a few simple tools and materials, you’ll have your grill up and running in no time.

So let’s get started and get your grill back in top shape!

Tools and Materials Needed

To replace the burners on the Nexgrill 720-0773 720-0783 gas grill, you’ll need a few tools and materials. Before starting, make sure the grill is turned off and cool to avoid any accidents.

First, grab a pair of gloves to protect your hands from any sharp edges or grease. You’ll also need a screwdriver, preferably a Phillips or flathead depending on the screws used to secure the burners. Additionally, have a wire brush or grill brush handy for cleaning the grill grates and burner tubes.

Now, let’s talk about the materials you’ll need. It’s always a good idea to have replacement burners on hand, just in case. You can find these at your local hardware store or order them online from the manufacturer. It’s also important to have a clean and clear workspace, so make sure you have a clean towel or rag to wipe down any surfaces.

Before replacing the burners, it’s a good idea to troubleshoot any issues you may be experiencing. Check for any blockages or clogs in the burner tubes. Use the wire brush or grill brush to gently clean out any debris or grease that may be causing the problem. This can help improve the performance of your grill and prevent future issues.

Step 1: Disconnect the Gas Supply

First, make sure you disconnect the gas supply before proceeding. Proper gas disconnection is crucial for your safety when replacing burners on your Nexgrill 720-0773 or 720-0783 gas grill. Follow these safety precautions to ensure a smooth and secure process.

To disconnect the gas supply, start by turning off the gas valve on the propane tank. Rotate the valve clockwise until it is fully closed. This step is essential to prevent any gas leakage during the burner replacement.

Next, locate the gas line that connects to the burners. It is usually located at the back of the grill. Using a wrench, carefully loosen the connection between the gas line and the grill. Slowly unscrew it until the gas line is disconnected. Be cautious while doing this to avoid damaging the gas line or any other parts of the grill.

Once the gas supply is disconnected, you can proceed with replacing the burners on your Nexgrill gas grill. Remember to follow the manufacturer’s instructions and guidelines for a seamless burner replacement process.

Step 2: Remove the Cooking Grates and Heat Plates

When it comes to maintaining your grill, there are a few key points to keep in mind.

First, you’ll want to follow some grill maintenance tips to keep your grill in top shape.

Next, it’s important to know the proper way to remove the burners for cleaning or replacement.

Lastly, you’ll want to take safety precautions during disassembly to ensure a smooth and accident-free process.

Grill Maintenance Tips

Make sure you regularly clean the grill grates to prevent buildup and ensure even cooking. Here are some grill maintenance tips to keep your grill in top shape:

  • Clean the grates: Remove any leftover food debris by brushing the grates with a grill brush. For tough buildup, use a mixture of warm water and dish soap to scrub the grates thoroughly.

  • Check for gas leaks: Inspect the gas connections and hoses for any signs of leakage. Apply a solution of soapy water to the connections and look for bubbles, which indicate a leak.

  • Clean the burners: Remove the burners and clean them with a wire brush to remove any clogs or debris. Make sure the burner holes are clear for proper gas flow.

  • Troubleshoot common grill issues: If your grill is not heating evenly, check for obstructions in the burner tubes or venturi tubes. Also, make sure the gas regulator is properly connected and functioning.

Proper Burner Removal

To properly remove the burners from your grill, start by turning off the gas supply and disconnecting the propane tank. This is an important safety step to prevent any accidents while working on the burners.

Once the gas supply is off, locate the burner knobs and turn them to the ‘off’ position.

Next, remove the cooking grates and heat shields to access the burners.

Using a screwdriver or wrench, carefully loosen and remove the screws holding the burners in place. Take note of the position and orientation of the burners for easier installation later.

Gently lift the burners out of the grill and set them aside.

Now you are ready to proceed with grill burner replacement or any other maintenance tasks you need to perform.

Safety Precautions During Disassembly

Now that you know the proper way to remove the burners from your Nexgrill 720-0773 or 720-0783 gas grill, it’s important to prioritize safety during the disassembly process. By following a few simple precautions, you can ensure a smooth and accident-free burner replacement.

Here are some disassembly precautions and burner replacement safety tips to keep in mind:

  • Always make sure the grill is turned off and the propane tank is disconnected before starting the disassembly process.
  • Wear protective gloves to prevent any potential burns or injuries while handling hot components.
  • Use caution when removing screws or any other fasteners to avoid damaging the grill or injuring yourself.

Step 3: Remove the Old Burners

You’ll want to start by disconnecting the gas supply before removing the old burners. This is an important step to ensure your safety during the process. Once the gas supply is disconnected, you can proceed with removing the old burners.

Here’s a step-by-step guide to help you with the process:

  1. Locate the burners: The burners are usually located at the bottom of the grill, beneath the cooking grates. They are connected to the gas supply line.

  2. Remove the cooking grates: Before you can access the burners, you’ll need to remove the cooking grates. Lift them off the grill and set them aside.

  3. Disconnect the burners: The burners are connected to the gas supply line with screws or clips. Use a screwdriver or pliers to disconnect the burners from the gas line. Make sure to keep track of the screws or clips for later use.

  4. Remove the old burners: Carefully lift the old burners out of the grill, taking note of their positioning. If you’re replacing multiple burners, it’s a good idea to label them to ensure proper installation later.

Step 4: Install the New Burners

Once you have successfully disconnected the gas supply and removed the old burners, it’s time to install the new ones. Follow these burner installation tips for a smooth and hassle-free process:

  1. Position the burners: Place the new burners in the grill, aligning them with the mounting brackets or screw holes. Ensure they are securely positioned and level.

  2. Connect the gas supply: Reconnect the gas supply line to the burners, making sure the fittings are tight and secure. Double-check for any leaks by applying soapy water to the connections. If bubbles form, tighten the fittings further to eliminate the leak.

  3. Test the burners: Turn on the gas supply and ignite each burner to check if they are functioning properly. Observe the flame color and intensity. A blue flame indicates proper combustion, while a yellow or orange flame may indicate a problem. If the flame is uneven or weak, there could be an issue with the gas flow or burner alignment.

If you encounter any issues during the burner installation, troubleshoot the problem by checking the gas supply, connections, and alignment. Ensure all parts are properly installed and tightened before operating the grill.

Following these tips will help ensure a successful burner installation and optimal performance of your Nexgrill gas grill.

Step 5: Reassemble the Grill

When it comes to reassembling your grill, there are a few key steps to follow to ensure everything goes back together properly.

First, make sure to refer to the owner’s manual for specific instructions on reassembly.

Next, take your time and be meticulous in putting all the parts back in their correct places.

Proper Reassembly Steps

To properly reassemble the burners on the Nexgrill 720-0773 720-0783 gas grill, follow these steps:

  1. Align the burner tubes with the corresponding gas ports on the grill. Make sure they fit securely to ensure proper gas flow.

  2. Reattach the burner brackets by sliding them over the burner tubes. Use the provided screws to secure them in place. Tighten the screws for a stable connection.

  3. Once the burners are in place, reconnect the gas supply line to the grill. Ensure it is tightly secured.

  4. Before using the grill, perform a thorough cleaning to remove any debris or grease buildup. This will prevent clogs and ensure proper burner function.

  5. If you encounter any issues with the burners, such as inconsistent flames or no ignition, check for blockages or obstructions in the burner ports and tubes.

  6. Cleaning or replacing these parts may resolve the problem.

Common Reassembly Mistakes

Make sure you don’t forget to securely attach the burner brackets over the tubes and tighten the screws to avoid any unstable connections.

When reassembling your grill, it’s important to be aware of common mistakes that can occur during burner installation. Here are some troubleshooting tips to help you avoid these mistakes:

  • Ensure the burners are aligned properly with the gas ports on the grill.
  • Double-check that the gas supply valve is open before igniting the burners.
  • Clean the burner tubes and ports regularly to prevent clogging and uneven flames.
  • Inspect the gas hoses for any leaks or damage before connecting them to the burners.
  • Test the burners after assembly to ensure they are producing a steady and even flame.

Step 6: Test the Burners

You’ll know the burners are working properly when you see a consistent blue flame.

After completing the burner replacement troubleshooting and reassembly process, it’s crucial to test the burner performance. To do this, turn on the gas supply and ignite the burners one at a time. Observe the flame color and shape.

Start with the first burner and check for a steady blue flame. The flame should be even and reach the burner’s full length. If the flame is yellow or orange, it indicates a problem with the air-to-fuel ratio. This could be due to a clogged or misaligned burner, or a problem with the gas supply. In such cases, you may need to disassemble the burners again and ensure they are clean and properly aligned.

Next, move on to the second burner and repeat the process. Continue checking the flame color and shape for each burner. If any burner produces an inconsistent or abnormal flame, it may need further troubleshooting or adjustment.

Testing the burner performance is crucial to ensure proper functioning of your gas grill. A consistent blue flame indicates that the burners are operating efficiently and providing even heat distribution for cooking.

Maintenance Tips for Nexgrill 720-0773 720-0783 Gas Grill

When cleaning your grill, remember to remove any leftover food residue and grease to prevent build-up and ensure optimal performance. Regular maintenance is essential for keeping your Nexgrill 720-0773 or 720-0783 gas grill in top shape.

To start, make sure to clean the cooking grates thoroughly after each use. Use a grill brush to remove any stuck-on food particles, and then wipe the grates with a damp cloth. For tougher stains, you can soak the grates in warm soapy water and scrub them clean.

Additionally, don’t forget to clean the burner tubes and the flame tamers. Use a wire brush to remove any debris or corrosion, and check for any clogs that may affect the gas flow.

If you notice any issues with your grill, such as uneven heat distribution or low flame, try troubleshooting common grill issues. This may involve checking for gas leaks, inspecting the ignition system, or adjusting the burner air shutters.


In conclusion, replacing the burners on your Nexgrill 720-0773 720-0783 gas grill is a straightforward process that can be completed with a few simple steps. By following the instructions outlined in this article, you can easily disconnect the gas supply, remove the old burners, and install the new ones.

Once reassembled, don’t forget to test the burners to ensure they are functioning properly. By regularly maintaining your grill, you can prolong its lifespan and enjoy delicious grilled meals for years to come.