Wolf Cooktop Uneven Flame Repair Guide

A Wolf cooktop with an uneven flame is usually a clogged-port or gas-mixture issue, but Wolf's dual-stacked sealed burners — with separate inner and outer flame rings for independent control — add a couple of Wolf-specific culprits, like a fouled ring or a damaged simmer spreader. This guide ranks the causes for these professional cooktops.

The likely culprit#

Most likely: clogged ports in the dual-stacked burner. Wolf burners have separate inner and outer ring port arrays, and carbonized grease from high-BTU cooking clogs individual ports — especially on the outer ring where the flames are most intense — so one ring burns weak or uneven. Clean each port with a straight pin without enlarging it, and soak the burner head to soften the carbon. If the ports are clean, check the gas pressure and cap next.

Safety first#

Turn off the gas supply and disconnect power before removing burner parts. On built-in Wolf cooktops the breaker is the safe electrical disconnect.

Never use a toothpick to clear a port — it can break off and permanently block it — and treat a bad LP conversion as a fire hazard needing immediate correction.

Ranked causes at a glance#

Working through each cause#

1. Clogged dual-stacked ports (most common)#

Wolf's dual-stacked burners use separate inner and outer ring port arrays for independent flame control, and carbonized grease from high-BTU cooking clogs individual ports — most often on the hotter outer ring — so that ring burns weak or uneven. Remove the burner head, soak it in hot soapy water for several minutes to soften the carbon, and clear each port with a straight pin. Don't enlarge the holes; just open them so both rings burn evenly.

2. Gas pressure out of spec (common)#

The gas pressure regulator sets the inlet pressure to the burner orifices, and Wolf cooktops require about 5-7 inches of water column for natural gas (higher for LP). Pressure outside that range causes weak, yellow-tipped, or sooty flames across the burners. Test with a manometer at the regulator's outlet test port; an undersized supply line or a shared manifold that drops pressure under load is a common cause and may need a plumber to correct.

3. Burner cap misaligned (occasional)#

The burner cap must sit flat and aligned on the base for proper gas distribution and ignition, and after cleaning it's easy to reseat it slightly rotated or tilted, directing the gas-air mixture away from the ports and electrode. Lift the cap, clean both mating surfaces, and reseat it so any alignment tabs engage and it sits flat. On these sealed burners a properly seated cap is essential for an even flame.

4. Wrong LP conversion orifice (occasional)#

Cooktops shipped for natural gas need an LP conversion kit — smaller brass orifices plus a regulator adjustment — when connected to propane, and if the wrong orifice size is fitted a burner may not ignite (too small), or burn yellow and sooty (too large). Confirm each burner's orifice matches your gas type, since each burner has a specific size. An incorrect conversion is a fire hazard and needs correcting before use.

5. Damaged simmer ring (less common)#

The simmer ring, or flame spreader, is a secondary ring inside the burner that distributes gas for low-flame cooking, and a corroded, warped, or cracked one causes uneven low flames, blowouts at simmer, or an inability to hold a stable low flame. Remove the cap and inspect the simmer ring for corrosion or warping. Replace it if it's damaged so the low-flame settings work properly again.

The short version#

• Clogged ports — most common; clean inner and outer ring ports with a straight pin.
• Gas pressure — common; needs about 5-7 inches WC, test with a manometer.
• Cap misaligned — occasional; reseat flat with the tabs engaged.
• Wrong LP orifice — occasional; match the orifice to the gas type.
• Damaged simmer ring — less common; an unstable low flame, replace the spreader.

What the repair usually involves#

A Wolf uneven-flame repair starts with cleaning the dual-stacked ports and reseating the cap — often the whole fix — then checks manifold pressure with a manometer and confirms the orifices match the gas type, with the simmer ring inspected if the low flame is the problem. Because these are gas appliances, pressure and conversion work is best confirmed by a professional. We see this reported across Wolf cooktop models such as the CG365P, CT36G, CG304P, and CT15G.

Keeping it from coming back#

Wipe up boil-overs and grease promptly so the dual-stacked ports stay clear, reseat caps flat after cleaning, and have the gas pressure checked if flames go yellow across all burners. Keeping the ports and simmer ring clean preserves the precise high-and-low flame control these burners are built for.

When to call a professional#

Call a technician if cleaning and reseating don't restore even flames, if the gas pressure is out of spec or an LP conversion needs correcting, or if a simmer ring or burner head needs replacing. The cost depends on whether it's a cleaning, a pressure or conversion correction, or a part plus labor, and a tech can confirm before starting.

Flames uneven? Book an EasyBear technician — we service Wolf cooktops and can restore clean, even flames on the dual-stacked burners these professional cooktops use.