316536602 Frigidaire Oven Ignitor/Orifice Assembly is a combined ignition and gas metering â¤component used in many âŁFrigidaire gas ovens and ranges. The assembly pairs âa glowâtype ignitor âelement (the heated âor âglow barâ that provides the ignition source) with an orifice or jet that meters the gas flow âtoo the burner; mechanically⢠it is a small subassembly that mounts at theâ bake or broil burner and connects to the appliance’s gas manifold and electrical harness. Technically, it is indeed not a control or valve by itself but âa field⤠replaceable component that directly participates inâ the appliance’s combustion subsystem.
Inside⤠the appliance âthe ignitor/orifice assembly is part of the ignition and combustion sequence: the ignitor element heats to⤠a specified temperature and the orifice regulates theâ volumetric âŁflow rate and jet geometry of the incoming gas,together producing âŁa stable burner flame when âŁthe gas valve opens. It therefore â¤interfaces mechanically with the burner and manifold, electrically with the oven control or â˘safety âcircuit (wichâ senses ignitor current or voltage)and functionally⣠with the main gas valve⤠and temperature control system. Proper sizing, installationâ orientationand electrical continuity are important for reliable ignition, flameâ stability, efficient combustionandâ safe operation.
In this article you âwill find a⢠technical overview of âŁthe 316536602 assembly covering how the component functions, the appliance⢠locations and model compatibility where⣠it is typically used, common failure symptoms to recognize (for example long âignition time, failure to light, weak âor yellow flameor open ignitorâ resistance), practical troubleshooting checks⤠a technician âcan âperform (visual âinspection, resistance and current⤠measurements,⢠orifice inspection and cleaningand⣠verification of gas valve operation)and key âreplacement considerations âincluding fitment, sealing, gas shutoff⢠and âleak âtestingand basic safety precautions. â˘the goal is⣠to provide the technical context needed to diagnose issues and â¤determine whether âreplacement or further â¤system-level repair is â˘required.
Table of contents
- Functional Role of the⣠Ignitor/Orifice in Oven Gas Delivery and Ignition control
- How the 316536602 Frigidaire Oven Ignitor/Orifice Assembly Interfaces with theâ Safetyâ Valve, Thermostatand Burner
- Commonâ Failure Symptoms and Diagnostic indicators of Ignitor/Orifice Malfunction
- Replacement Considerations, Installation Proceduresand PostâInstallation Tests for the Ignitor/Orifice âAssembly
- Q&A
- Theâ Way Forward
Functional Role of the Ignitor/Orifice in âOven Gas â¤Delivery and Ignition Control
The 316536602 Frigidaire Oven Ignitor/Orifice Assembly combines the electrical ignitor â¤element and the gas orifice that meters fuel to the oven burner. The⢠ignitor produces heat (visible as âa â˘glow) and draws current in a controlled way so the safety gas valve will â˘see the required electrical characteristics to open; the â˘orifice⢠provides a calibrated restriction that determines âŁthe volumetric flow rate at given manifold pressure.In normalâ operation the ignitor must reach its operating temperature and current draw quickly so the valve receives the â˘electrical signal and the orifice âsupplies the correct gas volume to form a stable, blue burner flame; deviations in ignitor performance or orifice sizing directly change ignition time, flame shapeand combustion efficiency.
Technicians diagnose this assembly by observing ignition behavior and measuring components: a glowing⢠ignitor that fails to open theâ valve indicates reduced current â˘or a faulty âvalve â¤circuit, while a weak or yellow flame suggests a clogged or⤠incorrect orifice or improper manifoldâ pressure. Practical examples include: replacing the assembly with the identical 316536602 unit to restore original flow characteristics after clogging or wearor swapping orifices only when changing gas â¤type â(natural gas vs. LP) and âŁrecalibrating manifold pressure. routine checks include visual flame inspection, continuity/resistance checks of the ignitor,⢠and verifying valve activation voltage; corrective action âŁdepends on⣠whether the failure is electrical (ignitorâ or wiring), mechanical (orifice restriction)or related to supply pressure.
- Common âsymptoms: delayed ignition, continuous glowing without flame, weak or yellow flame, uneven oven temperature.
| Item | Description |
|---|---|
| Ignitor | Heatsâ to draw â¤operating â¤current that enablesâ the gas safety valve to open; degraded output delays or prevents valve actuation. |
| orifice | Fixed orifice size meters gas flowâ to âŁthe burner; sizing and cleanliness affect flame strength and combustion quality. |
How the 316536602 Frigidaire âOven Ignitor/Orifice Assembly Interfacesâ with the Safety Valve, thermostat, âand Burner
The 316536602 Frigidaire Oven⢠Ignitor/Orifice âAssembly integrates the âŁhot-surface ignitor element âwith the gas orifice and mounting hardware â¤so the ignition, gas flowandâ flame shaping⣠occur as a coordinated unit. Electrically, the ignitor is connected to the oven control/thermostat circuit and serves both as a heat source and as a current-draw device thatâ permits the oven’s gas safety valve to open;⤠the safety valve⢠typically requires the⣠ignitor to reach a specified current draw âor temperature â˘profile⢠before the valve will energize. Mechanically, the orifice in the âŁassembly âŁmeters the gas flow toâ the burner ports and positions the âjet relative to the ignitor tip; correct alignment and âorifice sizing are necessary to produce a stable, blue flameâ andâ to âensure reliable interaction with the safety valve âand burner ports during normal and cyclic operation.
- Electrical interface: two-wire ignitor connection to oven control/thermostat⣠and toâ the safety âvalve circuitry.
- Gas interface: factory orifice â¤size and alignmentâ for proper fuel-air mixture at the burner.
- Mechanical fit: mounting points that ensure ignitor-to-burner spacing and sealing with manifold.
- Operational dependency: â˘safety valve opens only after ignitor reaches required current/temperature.
In practice, technicians diagnose issues by checking âthree domains: electrical continuity and proper current draw of the ignitor, correct orifice⢠size âand physical conditionand secure mechanical alignment â˘with the burner. A weak or high-resistance ignitor will heat slowlyâ and ofen â¤fail to bring the⣠safety valve into its open state, producing long âignition times or a no-light condition; conversely, an incorrect orifice (wrong diameter or damaged seat) can cause yellowing, sootingor low heat âŁoutput despite a properly functioning ignitor and thermostat. When replacing the assembly,use the specified part number or confirmed equivalent to preserve theâ intended interactionâ among ignitor,safety valve,thermostat,and burner,and verify operation âby âobserving heat-up behavior,valve actuation,and â˘flame pattern rather than relying⢠solely on visual â¤fit.
| Item | Description |
|---|---|
| Electrical role | ignitor heats and draws⤠current thatâ enables theâ safety valve; controlled by oven âthermostat/PC⤠board. |
| Gas metering | Orifice â˘size determines flow rate to the burner;⣠affects flame shape and âheat output. |
| Service⣠checks | measure continuity/current draw, inspect orifice diameterâ and seat, confirm mounting/alignment. |
Commonâ Failure Symptoms and Diagnostic Indicators of Ignitor/Orifice âŁMalfunction
The 316536602â Frigidaire Oven â˘Ignitor/Orifice Assembly performs two linked functions: the ignitor draws electrical current until⣠it reaches sufficient temperature to allow the safety⣠gas valve to openand â˘the orifice meters the gas flow to produce⤠a stable burner flame. Failures inâ either elementâ produce distinct, measurable âŁbehaviors at the âoven: a weak or nonâexistent glow from the⣠ignitor, repeated valve clickingâ without ignitionorâ a flame that is small, unstableor smoky.⢠Technicians assess compatibility by confirming the âassembly seat and connector type match theâ oven’s valve and mounting; an or⢠else serviceable control board â˘can be ruled out when the ignitor fails toâ reach full luminosityâ under⢠callâ for heat or⢠the orifice âexhibits restricted â¤flow or visible deposits that alter flame shape.
- Ignitor does not glow or glows faintly – âsuggests open or weak ignitor âŁor reduced current under load.
- Long ignition delay or intermittent lighting – âŁindicatesâ marginalâ ignitor output or partial âorifice restriction.
- Yellow, liftingor sooty flame – typicallyâ caused by orifice â¤blockage, damage, âor incorrect orifice sizing.
- Gas odor with âno ignition – risky condition requiringâ immediateâ shutdown and leak/source isolation.
Diagnostic indicators combine visual, electricaland âŁfunctional checks: visually compare ignitor glow intensityâ and flame pattern to known-good references, measure â˘continuity and live current draw during a call for âheatand inspectâ the orifice for clogging or deformation.A practical troubleshooting sequence is to verify proper mains âvoltage to the âignitor circuit, record whether the⣠ignitor achieves âfull bright⤠orange-whiteâ glowâ under loadand then isolate the orifice âŁto check âfor restricted flow or foreign material. âŁReplace the assembly when the ignitor fails to draw rated current under load⢠or âwhen the orifice geometry is altered; if wiring and control outputs measure nominal, those results pointâ directly to â¤the 316536602 assembly as the source of the fault.
| Item | Description |
|---|---|
| Weak/noâ glow | Ignitor hasâ open/low output or âfails under load; verify with live load current test. |
| Sooty or yellow flame | Orifice restriction,contamination,or incorrect size affecting combustion quality. |
Replacement considerations, âInstallation Proceduresand PostâInstallation Tests for the âIgnitor/Orifice assembly
The 316536602â Frigidaire Oven Ignitor/Orifice Assembly combines a âhot-surface ignitor element and a matchedâ gasâ orifice into a single replaceable unit that â˘both initiates combustion⣠and meters the burner flow. The ignitor element must reach its âprescribed emission temperature to reliably drop â¤the oven safety âvalve and allow gas flow; the orifice diameter and thread/mounting geometry determine flowâ rate and compatibility with Natural vs. LP service.before⣠replacement, verify theâ appliance model, âŁgas type, connector styleand âmounting flange dimensions against service literature so the new assembly seats correctly⤠and the orifice size corresponds to⤠the oven’sâ intended fuel.
Installation requiresâ basic appliance service skills, a⣠calibrated multimeterand access to the gas shutoff; follow safe work sequence and gasket placement to ensure a sealed â¤combustion chamber. âAfter mechanical installation and reconnection, perform electrical and functional checks and a pressure/leak verification ratherâ than relying on appearance alone.Typical⣠postâinstallation verifications include confirming ignitorâ continuity and supply voltage, â˘observingâ consistent ignitionâ timing and a stable blue flameand performing a bubble/leak check at â˘the orifice and âfittings; if flame shape showsâ yellow tipping or delayed ignition persists, recheck orifice selection, ventingand safety valve operation.
- Pre-install: shut off gas and âpower, âconfirm part number and gas type, remove old âassembly and⤠inspect mounting surface.
- Install: align flanges,â replace sealing gasket, torque fasteners hand-tight plus a quarterâ turn, reconnect harness and gas line with thread sealantâ appropriate for gas.
- Post-install tests: measure ignitor continuity, apply mains voltage while monitoring âignition time, inspect flame pattern,â and perform a soap-solution leak test on â¤fittings.
| Item | Description |
|---|---|
| Compatibility | OEM replacement for select⤠Frigidaire ranges; confirm 316536602 matches appliance âŁmodel and⢠intended fuel âŁ(natural âor LP) before installation. |
Q&A
What is the 316536602 âFrigidaire Oven Ignitor/Orifice Assembly?
The 316536602 assemblyâ is â˘a replacement part for certain Frigidaire⣠gasâ ovens that combines the hot surface ignitor (the element that glows to ignite gas)â and the burner orifice/nozzleâ that meters⢠the gas. Together they ensure proper ignition and correct gas flow to the bake burner.
How do I know if this part is compatible with my Frigidaire range?
Compatibility depends on your oven â¤model number. Check the model number on the⣠oven frame âorâ owner’s manual and crossâreference it with the part listing from Frigidaire or an âauthorized â¤parts dealer. â¤Do not rely only on appliance age or âappearance – confirm the part number matches⣠the model’s parts diagram.
What areâ the common symptomsâ of âa failing ignitor/orifice assembly?
Typical symptoms âinclude the bake burner not⤠lighting, the ignitor âglowing âweakly or not at âall, long âglow times before ignition, the burner clicking without igniting, â˘uneven or yellow flamesor a âpersistent gas â˘smell. A clogged or incorrect orifice can cause weak or unstable flames even⢠if â˘the ignitor glows normally.
How can a technician test whether the ignitor is bad?
With âpower off, check the ignitor âfor continuity withâ a multimeter; an open circuit indicates failure. During a call for heat, measure voltage at the ignitor harness â¤(typically ~120 VAC on many âmodels)⢠– ifâ voltage⢠is present but the ignitor does ânot glow brightly, the ignitor is bad. â˘If âthe ignitor glows âbutâ theâ gas valve does not⤠open,the problem may be the valve or wiring rather than the ignitor.
Can I replace the ignitor/orifice assembly myselfand what safety steps should Iâ follow?
Replacement is absolutely possible for⢠competent DIYers but requires⢠caution: disconnect electrical power and shut off the gas supplyâ before starting. Avoid touchingâ the ignitor’s ceramic/glass surface with âbare hands (oil can damage it). Remove mounting screws and harness, swap the assembly, reinstall gaskets/seals, restore gas âand powerand⢠test for âleaks â˘with a soapy-water solution. If you’re not comfortable working with gas â˘or âelectrical systems, hire a qualified⤠technician.
Do I need to adjust â¤or calibrate anything after installing the new assembly?
Most direct â˘replacements require no calibration if the correct part is used. After installation,⢠verify that the ignitor glows properly,⢠the burner âlights promptlyand the flame is steady âand blue. If flame characteristics are poor, confirm you installed the correct orifice size and check the regulator/gas pressure and âŁburner ports âforâ blockages.
Howâ long does the ignitor/orifice assembly typically last and what causes premature failure?
Ignitors⢠commonly âlast several years,⤠but lifespan variesâ with usage and operating⣠conditions. Premature failure can be â˘caused byâ power surges, repeated âcycling, physical damage (impact or oil contamination)or excessive bake temperatures. âOrifices can clog from debris or improper gas conversions; incorrect orifice size will cause⣠poor⤠performance.
Any â˘tips for âordering and installing the correct replacement part?
Order by âyourâ oven âŁmodel number and the OEM part number (316536602) to ensure proper fit. Ifâ your âŁappliance has been converted between natural gas and LP, confirm you have the correct orifice for â¤the fuel type. Keep the old part as a reference during install, follow â˘manufacturer torque and sealing instructionsand perform a leak check and⣠functional test after installation. When in doubt, consultâ a licensed appliance technician.
The â¤Way Forward
The 316536602â Frigidaire Oven Ignitor/Orifice Assembly serves a â˘critical function in gas âoven operation by initiating and sustaining the burner flame that enables accurate and consistent âcooking temperatures. As⢠an âintegrated component designed to deliver the correct spark or glow and regulate gas flow âŁat the burner, its reliable performance directly affects oven efficiency, temperature control, fuel usageand âhousehold safety.
Accurate diagnosis is essential when⢠oven ignition problems arise; distinguishing ignitor/orifice failure from related issues such as gas supply interruptions, control board faultsor safety interlock malfunctions prevents unnecessary parts replacement and ensures the underlying cause is addressed. When testing confirms the 316536602 assembly â˘is faultyâ or compromised, timely replacement with the correct, compatible part ârestores âŁproper âoperation and reduces the risk of unsafe âconditions or further âappliance âdamage.
Engaging a âŁqualified technician or⤠following manufacturer-recommended proceduresâ for inspection and replacement helps maintain⤠compliance with safety â˘standards andâ preserves appliance⣠performance. Prioritizing correct diagnosisâ and appropriate replacement-ratherâ than ad hoc repairs-supports âŁlong-termâ reliability, optimal âŁenergy useand the safe operation of the oven.
Professional Appliance Service
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