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Close view of the burner of a newly installed stainless gas cooking surface, one round burner cap sitting visibly crooked on its brass head with a gap on one side, the white ceramic igniter tip beside it, cast iron grates around it, every burner off, soft daylight.

Igniter Clicking After a Gas Hookup: Air in the Line or a Wet Cap

An igniter clicking after a gas hookup keeps sparking on a new burner or oven that is slow to light, lights unevenly or does not light at all.

(844) 638-8309

Mon–Sat, 8am–8pm

  • 5 checks before you book
  • 5 questions that narrow it
  • 6 causes, cheapest first

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What it
usually means.

A newly connected gas appliance has a line full of air between the shutoff valve and its burners, and the first attempts to light push that air out before any gas arrives. For the first several tries a burner may click for a few seconds before it catches; that is expected. Clicking that goes on, or a burner that lights only on some attempts, points to something the installation can put right. Burner caps and heads are often packed separately or shift in delivery, and a cap that sits a little off its base leaves gas escaping in the wrong place for the spark to reach. The spark electrode can be wet from cleaning or from a spill test. A valve opened only partway starves the burners, especially several at once. On a propane supply, an appliance still set for natural gas, or one whose conversion was only half done, burns with the wrong mix and can refuse to light or light with a lifting flame. A clicker that sparks on every burner at once while one burner is lit is how many ranges are designed. Clicking that never stops with every knob off is a switch issue for our sister repair site.

Close view behind a new stainless gas range pulled out from the wall, a technician's gloved hands seen from the wrists down brushing leak-test solution from a small bottle onto the flare nut of a new yellow-coated flexible gas connector where it meets a wall shutoff valve, the burners above out of frame and unlit, soft daylight. The 6 causes, cheapest first

Answer these first

01

Is this the first day of use, with air still coming out of the new line?
02

Does one burner click and not light, or do all of them?
03

Are the burner caps sitting flat and centered on their bases?
04

Is the house on propane, and was the conversion kit fitted before the first light?
05

Does the clicking stop when the knob is turned off?

Check these
before you book.

Igniter clicking after a gas hookup: 5 checks, and none of them costs anything.

01

Light one burner at a time and hold the knob until it catches; give the new line several tries.

02

With every knob off and the surface cool, set each burner cap flat and centered.

03

Wipe the area around each electrode dry, and remove any packing from under the grates.

Also worth checking

  • If the house is on propane, confirm the conversion kit was fitted before the first light.
  • If you smell gas that lingers, stop and follow the gas smell steps: out first, then call.

How soon does it need a visit?

Clicking alone is not an emergency. If a burner clicks without lighting for more than a few seconds, turn it off and wait a minute before trying again, and if a gas smell lingers, leave the house and call from outside.

The causes,
cheapest first.

6 things igniter clicking after a gas hookup: air in the line or a wet cap turns out to be, from air still purging from the new line to a switch that keeps sparking with the knob off.

The cost guide
  1. 01 no installation

    Air still purging from the new line

    The first lights after a hookup push air out ahead of the gas. Lighting one burner at a time, holding each until it catches, clears the line within a few tries.

    No installation: check it yourself
  2. 02 no installation

    A burner cap off its seat

    A cap shifted in delivery or set back crooked leaves the gas escaping away from the spark. With every knob off and the surface cool, each cap is lifted and set flat and centered on its head.

    No installation: check it yourself
  3. 03 lowest

    A wet or packed electrode

    Water from cleaning or packing residue around the spark electrode stops a clean spark. The area is dried with everything off, and packing material is removed from around the burner heads.

    Fixed by gas hookup and leak check On a cooking appliance
  4. 04 lowest

    A shutoff valve only partly open

    A valve left partway open supplies enough gas for one burner but not several, and the others click. It is opened fully, and the leak check on the joints is repeated.

    Fixed by gas hookup and leak check On a cooking appliance
  5. 05 low

    Orifices not set for propane

    An appliance on propane that still has natural gas orifices, or whose regulator was not set, burns badly and lights poorly. The maker's conversion kit is fitted and each flame is read.

    Fixed by gas hookup and leak check On a cooking appliance
  6. 06 moderate

    A switch that keeps sparking with the knob off

    Clicking with every knob off points to a spark switch or a module, not the installation. On a new unit that is the maker's warranty, and outside it, our sister repair site.

    Book a diagnostic visit

The makes
it happens on.

37 makes on this site; igniter clicking after a gas hookup: air in the line or a wet cap can show up on any of them. Each mark opens that make's own page.

All 37 brands

Igniter Clicking After a Gas Hookup: Air in the Line or a Wet Cap,
where we come out.

9 metros, each with its own page.

All service areas

Tampa BayFL · 31 areas

OrlandoFL · 30 areas

Miami / South FloridaFL · 47 areas

New York MetroNY · 75 areas

HoustonTX · 36 areas

ChicagoIL · 50 areas

Los AngelesCA · 95 areas

San DiegoCA · 31 areas

San Francisco Bay AreaCA · 74 areas

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Questions about
igniter clicking after a gas hookup: air in the line or a wet cap.

How many tries does a new burner need before it lights?
On the first day, a few clicks per burner is normal while air leaves the line. After the first several lights, a burner should catch within a few seconds.
Is it normal for every igniter to spark while only one burner is being lit?
On many cooking appliances all the igniters are wired to spark together whenever any knob is turned to light. It stops once the knob is turned to a flame setting.
Can I hold a match to a burner that will not light?
Makers describe a manual lighting method for a power outage, and it is in the manual. For a burner that clicks without lighting on a new hookup, it is better to find the reason than to light it by hand.
Could a flame that hovers above its ports come from the hookup?
A flame that lifts or roars often means the orifices do not match the fuel, typically natural gas orifices on a propane supply. The conversion kit fixes it, and the burner is not used until it is fitted.

Back to your everyday

Still seeing igniter clicking after a gas hookup: air in the line or a wet cap?

Book with what you checked above — 5 answers save the technician the first part of the visit.

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