316237704 Frigidaire Ignitor/Orifice Assembly is an integrated ignition and gas metering component used in Frigidaire gas cooking appliances. it combines a hot-surface or spark⢠ignitorâ element with a metered orifice that interfaces directly with the burner and manifold; as a hardware assembly it⣠provides both the energy source to initiate combustion and the sized âpassage âthat controls gas⤠flow âŁto the burner.
Inside a gas oven, rangeor cooktop⤠this assembly plays a primary⤠role in starting and⢠maintaining aâ controlled flame. the ignitor element heats to a temperature sufficient to ignite the gas released through âthe orificeand the âorifice diameter âtogether with manifold pressure determines the fuelâ flow and resultant âBTU input. Functionally⣠it interacts with the appliance control system, gas valve and manifold,⢠safety interlocks (such as flame sensing or thermocouple devices)and âtheâ burner geometry; â¤its condition directly âŁaffects ignition⣠timing, flame stability, âcombustion âŁefficiency and temperature regulation across âthe cooking cavity.
In thisâ article readers âwill find a technical overview of the 316237704 assembly covering how it⣠operates within the gas delivery and ignition subsystems, criteria for compatibility and gas-type âŁconsiderations, common failure âŁsymptoms to âdistinguish ignitor versus orifice problems, diagnostic checkpoints âŁand non-invasiveâ troubleshooting conceptsand practical replacement considerations such as correct part matching, sealing and leak-check expectationsand safety and code-related notes for gas work. âThe focus is on providing technicians, engineersand informed appliance owners with⢠the contextual information needed âŁto assess performance and make informed service decisions.
Table of Contents
- Functional Role andâ gas Flow Dynamics â˘of the Ignitor/Orifice Assembly
- How the 316237704â Frigidaire Ignitor/Orifice Assembly â˘Works Inside the Appliance
- Common Failure Modes and Diagnostic Symptoms âof the Ignitor/Orifice Assembly
- Compatibility, Replacement Considerationsand Installation Procedures⣠for Ignitor/Orifice Assemblies
- Q&A
- Final Thoughts
Functional Role and Gas Flow Dynamics of the Ignitor/Orifice Assembly
The 316237704 Frigidaire⣠Ignitor/Orifice Assembly combines the ignition element and the gas metering jet into aâ single replaceable unit that controls both where and how fuel is delivered and ignited at the⣠burner. The âignitor supplies the energy needed to initiate combustion while the orifice establishes the⣠volumetric flow at âa âŁgiven manifold pressure; together their relative positioning determines flame shape, stabilityand combustion efficiency. Any change in orifice bore,ignitor âŁheat-upâ time,or mounting orientation will âalter flow dynamics and can cause symptoms such as delayed ignition,weak flames,or incomplete combustion.
Service and compatibility hinge⢠on matching the orifice size and ignitor electrical rating to the â˘appliance’s gas type and regulator⤠settings-verify gas type (Natural vs LP) and the assembly’s âjet specification before installing. Practically, âtechnicians confirm⢠correct operation by observing ignitionâ timing and flame characteristicsâ and by inspecting âfor partial blockage, â¤damaged wiringor⢠poor sealing; replacing⢠the assembly typically requires ensuring correct alignment, a⤠leakâtight connection to the valveand that the ignitor draws its specified current so the valve timing and gas flow remain synchronized⤠for reliable ignition.
- Delayed ignition or repeated valve cycling â- commonly caused by aâ weak or â¤slow-to-heat ignitor âor â¤partial orifice blockage.
- Yellow, sootyor lifting flame – â˘indicators âof incorrect orifice âsize, restricted primary airor incomplete âcombustion.
- Low⣠or uneven⤠flame distribution – may â˘resultâ from restricted flow through⢠the orifice âor misalignment ofâ the ignitorâ relativeâ to the burner port.
- No ignition despite valveâ opening – often â˘anâ electrical open circuit⤠in the⢠ignitor or âa connector issue.
| Item | Description |
|---|---|
| ignition element | Generates the heat⢠or spark to ignite the gas; must meetâ the appliance’s voltage/current specification. |
| Orifice jet | Precision bore that meters fuel flow; bore diameter must match âthe gas type and manifold pressure for⣠correct combustion. |
How⢠the 316237704 Frigidaire Ignitor/orifice Assembly Works Inside the appliance
316237704 Frigidaire Ignitor/orifice Assembly âis a combined ignition and gasâmetering unit that mounts to the burner manifold and providesâ both theâ ignition source and a precision orifice for controlling gas flow to a specific burner. In operation the ignitor generates the spark or hot surface energy required to ignite the gas while the orifice ârestricts and shapes the gas flow so the resulting flame has the correct size and shape for stable combustion. The assembly interfaces directly with the appliance electrical harness and the manifold â¤feed; compatibility is determined by the mounting flange, gas-thread fittingsand the electrical connector type, so replacements âmust match those physical and gasâtype specifications (natural â¤gas âvs. â¤LP) âŁto maintain safe operation.
The component’s behavior under fault conditions yields diagnosable symptoms: a failed ignitor element will produce no spark or weak heatand a clogged â˘or incorrectly sized orifice will produce small, yellowor lifting flames and delayed ignition. Practical troubleshooting steps include visual inspection for carbon or debris in the orifice,â measuring â¤ignitor continuity or observing spark behavior with the control energizedand confirming the â˘orifice size and manifold fitting against⤠the appliance’s service specification before replacing.Technicians should⤠shut off â˘gas and powerâ before servicingand verify⣠flame â¤characteristics and leak â˘tightness after installation to confirm proper function.
- No ignition or repeated sparking at the burner
- Weak or yellow flame indicating ârestricted flow or wrong orifice
- Intermittent ignition caused by âdamaged electrode or wiring
- Visible soot or debris at the orifice causing â˘reduced gas flow
| Item | Description |
|---|---|
| Function | Provides ignition energy and âmeters gas flow for a single burner |
| Interfaces | Manifold gas fitting, mounting flangeand appliance electrical connector |
| Common failure modes | Ignitor open/short, electrode wearorificeâ clogging, incorrect orifice for gas type |
| Service âŁtip | Match orifice size and connector type to⢠the appliance model; verify flame and check forâ leaks âafter âreplacement |
Commonâ Failureâ Modes and Diagnostic Symptoms of âthe Ignitor/Orifice Assembly
The 316237704 Frigidaire Ignitor/Orifice Assembly combines the âŁhot-surface ignitor element and the gas orifice into a single âserviceable unit that both initiates combustion and metersâ gas⣠flowâ for â˘a burner. In operation the ignitor must reach⤠a specified temperature/currentâ draw to allow the gas valveâ to open or to reliably ignite the mixture at the orifice; the orifice size and orientation determine the localized jetâ velocity and flame shape, so compatibility with the ârange model and correct mounting alignment are critical for expected combustion performance. Mechanical wear, heat-induced embrittlement of the ignitor coatingor mismatched orifice diameter are common causes of altered behaviorâ and reduced reliabilityand these are âŁbest resolved by matching the OEM part number and verifying the assembly’s physical â¤and electrical âspecifications against the appliance service data.
Technically,failure modes fall into twoâ categories: electrical faults in the hot-surface ignitor (open circuit,short,or reduced emissionâ due to coating⣠breakdown)⣠and âŁflow problems at the orifice (partial blockage,wrong size,or deformation).Practical diagnostics include a visual inspection for â¤cracks, carbon trackingor deposits; measurement of ignitor continuity and its operational current draw under powered conditions; and observation of flame pattern and ignition timing. If you detect a persistentâ gas odor, shut off the gas supply immediately and ventilate⣠the area before continuing diagnostics. Common observable symptoms and likely causes are summarized below to âŁguide troubleshooting.
- No â˘glow from ignitor â¤- open circuit or failed heater element preventing ignition.
- Ignitor glows but no⤠ignition / long light-off delay⤠– degraded emission (reduced current draw) or gas â¤valve not seeing required drive; check current and valve operation.
- Weak, liftingor âŁyellow flame – âŁrestricted or incorrectly sized orifice, contaminated âŁburner portsor âŁair-gasâ mixture imbalance.
- Intermittent ignition⣠or cycling – thermal fatigue, intermittent electrical connection,⣠or misaligned assembly.
- Gas odor or flashback/stuttering flame -⤠severe blockage,damaged orifice,or unsafe combustion; stopâ use⤠and isolate gas.
| Item | description |
|---|---|
| Ignitorâ open / no continuity | Electrical âŁfailure of the heater element; oven willâ not light and ignitor shows no resistance path. |
| Reduced current draw | Ignitor still glows but cannot reach⣠required temperature; causes⢠long ignition times or failure to open the safety valve. |
| Clogged orifice / incorrect size | Restricted gas flow or improper âŁBTU output; results in weak or sooty flames and poor heating. |
Compatibility, Replacement Considerationsand Installation Procedures for Ignitor/Orifice Assemblies
Theâ 316237704 Frigidaire Ignitor/orifice Assembly combines an ignition element âwith a precisely sized gas orifice to control combustion at⣠a single burner port. The ignitor provides the energy source-either a spark or hot-surface heat-while the orifice⣠meters fuel flow; together they determine ignition reliability,flame shape,and heat output. Compatibility depends âon mechanical mounting, electrical â˘connector typeorifice bore diameter and the appliance’s fuel type (natural gas vs LP). Swapping âassemblies between models without confirming those parameters can produce weakâ or sooty flames, delayedâ ignitionor continuous sparking as electrode position, insulator clearance, âand orifice⢠size all affect flame propagation and â˘ionization characteristics.
Replacement and installation require correct part selection, safe â˘isolation of âŁsupply linesandâ post-installation functional checks. Begin service only after shutting off gas and electrical power, then access⢠the burner assembly,⤠inspect â¤the electrode gap and mounting âsurfaces, âŁreplace the ignitor and orifice with the âmatching part number or a verified equivalentand torque fittings to manufacturer guidance to avoid thread damage. after âinstallation perform a⢠pressure/leak check, verify a stable blue flame across heat settingsand confirm the ignitor cycles⢠and senses flame as expected; persistent yellow tipping, delayed ignitionor continuous clicking indicate⢠either improper orifice sizing, incorrect electrode âspacingor a failing control system rather than a â˘simple hardware fit issue.
- Basic replacement checklist: isolate â¤gas/electric, removeâ burner components, â˘note connector orientation and electrode gap, swap in new assembly, tighten fittings,â perform leak test, energize andâ verify â˘flame quality.
| Item | Description |
|---|---|
| 316237704 Frigidaire Ignitor/Orifice âAssembly | OEM assembly combining ignition element⤠and matched orifice; intended for specific âFrigidaire range models and gas type-verify bore size â¤and electrical connector before replacement. |
Q&A
What⤠is the 316237704 Frigidaire Ignitor/Orifice Assembly and what does it do?
The 316237704 is an ignitor/orifice assembly used⢠on certain Frigidaire gas ranges/ovens.The ignitor component provides the spark⢠or hot-surface action needed to ignite the âburner gas, while the orifice (jet)â controls the amount and flow of gas to â˘the burner.Together⣠they ensure reliable ignition and correct flame size⢠for the burner or oven âburner circuit â¤they serve.
Which Frigidaire⤠models âis this part⣠compatible with?
Compatibility depends on the specific Frigidaire model and âproduction date. âThe best way to â¤confirm fitment is to check your â˘appliance model number â(usually on a tag inside âthe oven door frame, behind⣠the kick plateor on the backâ of the range)⤠and cross-reference it with⢠the Frigidaire parts catalog or an authorized parts supplier. Do not assume interchangeability between similar-looking parts without aâ model check.
What symptoms indicate the ignitor/orifice assembly needs replacing?
Common symptoms⣠include: oven or âcooktop burnerâ failing to⤠light, repeated clicking without ignition, a weak âor irregular flame, long ignition âdelayor burners that light intermittently. âA visible crack, corrosionor â¤soot onâ the ignitor/orifice assembly is also an indicator. If you smell gas without ignition, stop and get professional help immediately.
Can I âtest the ignitor/orifice assembly to confirm it’s âbad?
Technicians often use aâ multimeter to â¤check ignitor⣠continuity (for hot-surface ignitors) or observe spark behavior for spark-type ignitors. They also inspect the orifice for clogging or damage. These tests require â˘proper electrical isolation âand safe handling of gas components. If you are not âexperienced with electrical orâ gas-system testing, have âa qualified technician perform the diagnosis to avoid safety risks.
Is this a part I âŁcan â¤replace myselfor should I hire âa technician?
replacing the assembly can be a moderate-to-advanced â˘repair: itâ typically requires turning off the gas andâ electrical⣠power,â accessing internal panelsand making secure gas and wire⣠connections. If you are experienced with appliance repairs and understand gas⣠safety procedures, you may perform the replacement. If âyou have any doubt,â or if⢠your appliance still has a gas smell or other safety concerns,⣠hire a qualified appliance technician.
Are there â¤any⣠safety âprecautions I should take when handling or replacing âthis part?
Always shut off the appliance’s â˘electrical power and the gas supply before⤠working on gas components. Avoid using an orifice of the wrong size or modifying⣠the orifice – incorrect gas flow can produce unsafe⣠combustion. After replacement, check for gas leaks and proper ignition; if you detect a âsmell of gas, evacuate the area â˘and contact your gas utility or a technician.When⢠in doubt, use a certified service technician.
Will replacing the ignitor/orifice assembly fix issues â˘like a gas smell or poorâ flame quality?
Replacing a worn or damaged ignitor/orifice assembly can resolve ignition failures and many flame-quality â¤problems⣠caused by a faulty ignitor or a clogged/damaged orifice. However, gas smells or persistent combustion âissues may âŁalso stem âŁfrom loose fittings, gas regulator faultsor other burners/components. If problems persist⢠after replacing the part, have a technician âperform a full inspection.
Where can I buy âŁa genuine 316237704 âpart â˘and how do I ensure I get the right item?
Buy from Frigidaire-authorized parts dealers, major applianceâ parts websitesor directly from the â˘manufacturer to ensure you receive a genuine OEM part.Confirm the appliance model number and the part ânumber when ordering. Keep the seller’s return policy and warranty informationand avoid used â˘orâ modified orifices/ignitors when dealing with gas components.
Final Thoughts
The 316237704 âŁFrigidaire ignitor/orifice assembly is a key component inâ gas-fired appliances where it controls ignition reliability and the proper delivery of fuel toâ the⤠burner. By combining âthe ignitor’s âŁrole âin creating a consistent spark or glow with the orifice’s â˘role in metering âgas⣠flow, this assembly directly influences combustion efficiency, stable operation and overall appliance âperformance.Proper functioning of this part helps maintain expected heating performance⢠while reducing the risk of intermittent starts,â incomplete combustion or nuisance shutdowns.
Because â¤symptoms of a â¤failing ignitor/orifice assembly can overlap with other electrical âor gas-flow issues,accurate âdiagnosis is â¤essential before replacement. Selecting the correct 316237704 assembly and following establishedâ service procedures-or using a qualified technician-helps ensure a durable repair, preserves appliance safety and restores intended efficiency. Timely, well-diagnosed replacement minimizes downtime and reduces the likelihood of⢠repeat service⢠visits, supporting âreliable operation over the âappliance’s remaining service âlife.
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