How do I know when grill burners need replacing?

Replace burners when you see rust holes or cracks in the tubes, when flames come out in the wrong places or in a weak, uneven pattern that cleaning does not fix, or when one section of the grill will not heat. Burner tubes are consumables that corrode from the inside out over years of grease and moisture, and a tube with holes burns unevenly and can be unsafe. If clearing the ports and cleaning restores an even flame, the burner is fine; if the metal is thin, flaking, or perforated, it is time for new ones.

Do I need brand-specific burners or will universal ones work?

For the best fit, match the burner to your grill's brand and model, since the length, the valve-orifice end, and the crossover tab all have to line up. Manufacturer replacement burners are guaranteed to fit; quality universal or aftermarket kits work well and cost less, but you must confirm the length and the orifice-end shape match, and some are adjustable or need trimming. Measure your old burner and note how it seats over the gas valve orifice before ordering, and keep the old one to compare against the new part.

How do burner tubes seat over the gas orifice?

The open end of each burner tube slides over a small brass orifice at the valve, with a gap so air mixes with the gas (the venturi effect) for a clean flame. Getting this seating right is critical: if the tube is not centered over the orifice, or the air shutter is misadjusted, you get a yellow, sooty, or weak flame, or gas escaping outside the tube. After installing, confirm each tube is fully and squarely seated over its orifice and that the crossover or carryover tube between burners lines up so ignition passes from one to the next.

Do I have to leak-test after replacing burners?

Yes, every time you disturb anything in the gas path. Even though burner replacement is downstream of the tank connection, you should reconnect the tank, open the valve slowly with the knobs off, and brush soapy water on the tank and regulator connections, watching for bubbles. Then light each burner and watch the flame pattern: a steady blue flame across all ports means good seating; yellow, uneven, or flames outside the tube mean re-seat the burner. Never skip the leak check when reconnecting the propane tank.

Can I replace burners myself or should a pro do it?

Replacing burner tubes is a straightforward DIY repair for most people, needing only hand tools and about an hour, because you are swapping a component inside the firebox, not touching the gas line or the regulator plumbing. What is not DIY is modifying the gas supply, converting fuel types, or repairing the regulator or valves, which are gas-fitter tasks. If after replacing burners the flames are still wrong and re-seating does not help, or you smell gas you cannot trace, stop and have the valves or regulator checked professionally.

How to Replace Gas Grill Burners (DIY, Step by Step)

Written & researched by Derek Holt Home & Appliances Editor

Updated August 2026

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Replacing gas grill burners is an easy, roughly one-hour DIY repair with hand tools, and new burners cost just $20 to $60. You are swapping a component inside the firebox, not touching the gas line, so it is well within homeowner territory. The essentials: disconnect the propane tank before you start, match the new burner to your grill, seat each tube squarely over its valve orifice, and run a soapy-water leak check when you reconnect the tank. Never modify the gas line or regulator — that is a gas fitter's job.

Weber Spirit E-210 Burner Replacement How-To

Before you start: disconnect the gas and match the part

Close the propane tank valve and disconnect the tank entirely. Remove and measure your old burner, noting its length and how the open end seats over the brass orifice, then confirm the replacement matches your brand and model (or a verified universal fit). Keep the old burner to compare side by side before installing the new one.

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Step-by-step replacement

Disconnect the tank. With the tank valve closed, uncouple the regulator from the propane tank so no gas can flow while you work.
Remove the cooking components. Lift out the grates and the flavorizer bars or heat tents to expose the burner tubes.
Free the old burners. Remove any cotter pins, screws, or clips holding the burner tubes at the back of the firebox, then slide each tube off its orifice and out. Note how the crossover tube connects the burners.
Compare and prep the new burner. Hold the new burner against the old one to confirm length and orifice-end match. Adjust an adjustable universal burner to the correct length if needed.
Install the new burners. Slide each new tube so its open end seats squarely over the brass valve orifice, then refit the retaining pins, screws, or clips at the back. Line up the crossover so ignition passes between burners.
Reinstall the internals. Replace the flavorizer bars or heat tents and the cooking grates.
Reconnect and leak-test. Reconnect the propane tank hand-tight, open the valve slowly with knobs off, and brush soapy water on the tank and regulator connections. Bubbles mean a leak to fix before lighting.
Light and check the flame. Light each burner and confirm a steady blue flame across all ports. Yellow, weak, or misplaced flames mean re-seat the tube over its orifice.

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Tools and materials

You need a screwdriver, pliers or a nut driver for the retaining hardware, the matching replacement burners, and a spray bottle of soapy water for the leak check. This repair goes hand in hand with regular upkeep — our gas grill cleaning guide covers the burner-port cleaning that often postpones a full replacement, and our grill assembly guide shares the same leak-test discipline. If the firebox itself is rusting through and burners are only part of the problem, compare replacements in our gas grill picks or the charcoal grill roundup.

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Mistakes to avoid

Not seating the tube over the orifice. A misaligned tube burns yellow or lets gas escape. Confirm each is square and centered.
Wrong-length burner. A tube that does not reach the orifice will not light right. Match length before installing.
Ignoring the crossover. If the carryover tube is misaligned, only one burner lights. Line it up.
Skipping the leak test. Reconnecting the tank means a mandatory soapy-water check before lighting.

Gas safety and when to stop

Only ever connect at the tank valve and the grill's regulator — never modify, splice, or extend the gas line or repair the regulator yourself. After reconnecting, always leak-test with soapy water. If, after correctly seating new burners, the flame is still yellow and erratic, or you smell gas you cannot trace, shut off the tank and have the valves or regulator checked by a professional. Converting a grill between propane and natural gas is a gas-fitter task, not part of a burner swap.

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How to Replace Gas Grill Burners