316237805 Frigidaire Ignitor Orifice Assembly is a service part used on Frigidaire gas cooking appliances; it is a small mechanical assembly that locates the burner orifice and the ignitor relative to one another and provides the calibrated restriction through which fuel is delivered to the burner. In practical terms the assembly typically comprises an orifice jet or holder, mounting bracket and the interface for the ignition element (spark electrode or hot surface ignitor), and is made to withstand the thermal and mechanical stresses present at the burner port.
Inside an appliance the ignitor orifice assembly performs two primary roles: metering the fuel at the point of discharge and ensuring consistent spatial relationship between the gas jet and the ignition source to achieve reliable ignition and stable combustion. It interfaces directly with the appliance’s gas valve and supply piping, the burner head and ports, and the ignition/safety system (ignitor, flame sensor, control board and any safety shutoff valves). Orifice sizing, alignment and condition affect flame shape, BTU delivery at a given inlet pressure, ignition timing and combustion quality, so the assembly is a critical element in both functional performance and safe operation of a gas range or oven.
This article will describe the function of the 316237805 assembly, typical installation locations and model compatibility considerations, common symptoms of wear or failure (for example delayed or no ignition, weak or sooty flame, or gas odor from unburned fuel), and diagnostic areas a technician or knowledgeable owner should evaluate. It will also cover troubleshooting points – such as visual inspection for obstructions, verifying ignitor condition and orientation, and checking that orifice sizing matches fuel type and supply pressure – and replacement considerations like part matching, gasketing, fastener torque and post‑service leak and combustion checks. Safety procedures and adherence to local codes when performing gas‑system service will be emphasized throughout.
Table of Contents
- Function and Role of the Ignitor Orifice Assembly in Burner Ignition and Gas Flow Control
- How the 316237805 Frigidaire Ignitor Orifice Assembly Operates Within the Appliance Gas and Ignition System
- Common Failure Symptoms and Diagnostic Indicators of Ignitor Orifice assembly Malfunction
- Replacement Considerations, Model Compatibility, and Installation Best Practices for the Ignitor Orifice Assembly
- Q&A
- To Wrap It Up
function and Role of the Ignitor Orifice assembly in Burner Ignition and Gas Flow Control
The 316237805 Frigidaire Ignitor Orifice Assembly is a combined metering and ignition component that controls the initial gas flow to a burner while positioning the ignitor electrode for reliable light-off. The orifice element provides a precise restriction that sets the volumetric flow rate at a given inlet pressure; the ignitor electrode or spark gap adjacent to that jet must be correctly located so the gas/air mixture is ignited promptly as it exits the orifice. In practice, correct orifice sizing and clean, unobstructed passages determine flame shape and stability: a partially blocked orifice commonly produces delayed ignition, weak or lifting flames, or excessive sooting, while an undersized orifice can starve the burner and prolong ignition time.
Technically,the assembly must match the appliance’s gas type and pressure characteristics – many Frigidaire units are factory-set for natural gas and require a specific jet size or an LP conversion kit when using propane. Installation requires correct seating, thread engagement, and maintenance of the electrode gap and alignment; loose fittings create leaks, and misalignment moves the ignition source away from the gas stream, causing repeated sparking without lighting.For field diagnosis,technicians typically inspect the orifice for debris,verify inlet pressure,confirm electrode position with the burner head in place,and than replace the assembly with the specified 316237805 part if cleaning does not restore consistent ignition.
- Common symptoms of orifice/ignitor issues: delayed ignition, continuous clicking, small or yellow flame, soot accumulation, or detectable gas odor before lighting.
- Service actions: inspect and clean orifice, check electrode gap/alignment, verify gas pressure, replace with exact part number for compatibility.
| Item | Description |
|---|---|
| Component | Orifice jet integrated with ignitor electrode for metering and ignition |
| purpose | Regulate gas flow and place ignition source for immediate, stable flame |
| gas types | Typically factory-set for natural gas; LP conversion may require different orifice size |
How the 316237805 Frigidaire Ignitor Orifice assembly Operates Within the Appliance Gas and Ignition System
The 316237805 Frigidaire Ignitor Orifice Assembly acts as the calibrated gas metering element located between the appliance manifold and the ignitor/burner inlet. During an ignition cycle, the assembly establishes a precise pressure drop and flow restriction so that the ignitor sees the correct gas volume for prompt lighting and stable flame propagation. In practical terms, this part couples directly to the gas valve and the burner feed and must match the appliance’s manifold pressure and ignitor type; an undersized orifice can cause weak, delayed lighting while an oversized orifice can create excessive flame size or incomplete combustion.
- Calibrated flow control: maintains consistent gas volume for ignition and steady flame.
- Sealing/mounting interface: ensures leak-free connection to the manifold and burner tube.
- Material and tolerance: resists corrosion and preserves orifice geometry under thermal cycling.
| Item | Description |
|---|---|
| Function | Meters gas to the ignitor/burner to achieve correct air-fuel ratio for ignition |
Within the gas and ignition system, the assembly works in concert with the control module and gas valve: when the controller energizes the ignition sequence the gas valve opens and the orifice imposes the designed restriction so the ignitor can light the mixture reliably. Technicians diagnosing intermittent lighting or soft flames should inspect the 316237805 Frigidaire Ignitor Orifice Assembly for partial blockages, deformed orifice edges, or improper replacement parts; cleaning or replacing the assembly and confirming manifold pressure and correct orifice specification typically restores correct ignition behavior without changing other ignition components.
Common Failure Symptoms and Diagnostic Indicators of Ignitor Orifice Assembly Malfunction
The 316237805 Frigidaire Ignitor Orifice Assembly is the gas-metering element that interfaces with the burner/ignitor system to establish the correct fuel flow and initial flame geometry. In properly matched Frigidaire cooktops and ovens the orifice diameter, seat profile, and alignment to the ignitor/spark are engineered to work with the appliance’s valve characteristics and manifold pressure; deviations from the specified assembly alter air-fuel ratio, ignition timing, and flame stability. Technically,the orifice assembly controls volumetric flow at a given upstream pressure,so compatibility with the appliance’s regulator and burner ports is critical-using the incorrect orifice or a partially obstructed orifice will produce measurable changes in flame lift,color,and heat output rather than simply reducing performance by a subjective amount.
Common failure modes present as distinctive operational signatures that guide troubleshooting: partial blockage orifice symptoms differ from incorrect sizing or mechanical misalignment. diagnostic checks should include visual inspection for carbon or debris at the port, timed ignition tests (recording ignition delay in seconds), observation of flame shape and color under consistent burner settings, and verification of manifold pressure with a manometer when ignition anomalies persist.For practical field diagnostics, technicians combine simple visual/functional checks with one or two instrument measurements (resistance/continuity of the ignitor circuit where applicable, and gas pressure) to distinguish orifice-related faults from valve, regulator, or ignitor-electrical failures.
- Delayed ignition (≥2 s): suggests partial blockage or reduced upstream pressure.
- Weak or absent flame: possible oversized orifice mismatch,severe blockage,or closed valve.
- Yellow/orange flame or soot: indicates rich mixture from incorrect orifice sizing or obstructed primary air.
- Intermittent ignition or popping: alignment or spacing issues between orifice and ignitor/spark.
| Item | Description |
|---|---|
| Symptom: Delayed ignition | Orifice partial obstruction or low manifold pressure; verify with timed ignition test and inspect port. |
| Symptom: Yellow flame/sooting | Excess fuel relative to air-check orifice size,burner ports,and primary air shutter alignment. |
| Symptom: No flame despite sparking | Clogged orifice, misaligned seat, or faulty gas valve; confirm gas flow to the orifice with pressure test. |
Replacement Considerations, Model Compatibility, and Installation Best Practices for the Ignitor Orifice Assembly
The 316237805 Frigidaire Ignitor Orifice Assembly is a combined component that locates the orifice plate in the gas flow path and positions the ignitor/electrode relative to the burner for reliable ignition. Functionally, the orifice controls the calibrated gas flow while the ignitor provides the spark or hot surface necessary to light that flow; mismatches in orifice diameter, gas type (natural vs. LP), or ignitor geometry will change flame characteristics, heat output, and safety margins. Technicians should verify the appliance model and service literature before replacement: mating dimensions, connector type, and mounting flange alignment must match the oven or range control valve and burner assembly to avoid misfires, delayed ignition, or excessive carboning on the burner head.
- Confirm appliance model/serial and cross-reference the part in the service manual.
- Verify gas type (NG or LP) and ordered orifice size for pressure compatibility.
- Shut off electrical power and gas supply before removal; ensure venting if combustion gas is present.
- Inspect electrode gap, insulation integrity, and sealing gasket; replace damaged seals to prevent gas leaks.
- After installation, perform a leak check and validate flame pattern and ignition timing per the service procedure.
Installation best practices focus on mechanical alignment, sealing, and post-install verification rather than cosmetic fit. Use the correct fasteners and torque recommended in the service documentation to avoid deforming the orifice plate or stripping threads; over-tightening can distort the gas passage and change calibrated flow. after reassembly, run the appliance through lighting cycles and observe flame geometry and stability; a pale, lifting, or noisy flame indicates lean mixture or misaligned ignitor, whereas yellow tipping or sooting suggests excessive fuel or poor primary air. For conversions or parts substitution, change both the orifice and regulator or follow the manufacturer’s conversion kit instructions to maintain safe operating pressures and combustion characteristics.
| Item | Description |
|---|---|
| Gas type | Natural gas vs. LP determines orifice diameter and regulator settings |
| Electrical interface | Ignitor connector and insulation must match control harness and clearances |
| Mounting | Flange orientation and screw pattern control electrode position and sealing |
| Verification | Leak test, flame pattern observation, and ignition repeatability |
Q&A
What is the 316237805 Frigidaire Ignitor Orifice Assembly and what does it do?
The 316237805 is an ignitor-orifice assembly used on certain Frigidaire gas ranges/ovens. It positions the gas orifice (the small, calibrated hole that meters gas flow) in front of the ignitor/spark source so the gas is ignited reliably. in short, it combines the gas delivery opening and the ignition mounting hardware so the burner or bake/ broil burner lights correctly.
How do I no if the ignitor orifice assembly is failing?
Common symptoms include burners or the oven not lighting, delayed ignition with a strong whoosh when it finally lights, weak or uneven flame, or repeated clicking of the spark ignitor. Visual signs of failure include a clogged or damaged orifice, cracked or broken mounting hardware, or a visibly deteriorated ignitor/connection. always rule out gas supply and control issues first.
Can I test the 316237805 assembly myself? If so, how?
You can do some basic checks safely: (1) Visually inspect the orifice for carbon/clogs and the ignitor wiring for damage or loose connections.(2) Check for continuity of the ignitor using a multimeter to ensure the filament isn’t open; compare to values in the appliance service manual. (3) Confirm spark or glow behavior by observing the ignition sequence (with power on, burner control operated). Do not attempt to test the gas valve electrically or work on the gas line unless you are qualified.
Is replacing the 316237805 something a homeowner can do, or should I hire a technician?
If you are agreeable shutting off the gas and electrical power, using basic hand tools, and following the appliance’s service instructions, a mechanically skilled homeowner can replace the assembly. However, because the part involves gas flow and ignition safety, many owners prefer a qualified appliance technician-especially if the job includes working on the gas regulator/valve or making gas-line connections.
What safety precautions should I take when replacing the ignitor orifice assembly?
Always shut off both the electrical power and the gas supply before starting. Work in a well-ventilated area and avoid open flames. Do not overtighten fittings or modify the orifice; use only the specified part. After installation, perform a leak check (soap solution or approved gas leak detector) on any gas connections and verify correct ignition and flame characteristics. If you detect gas odor or leaks you cannot correct,shut off gas and call a technician or gas utility immediately.
How do I clean or clear a clogged orifice, and is that a recommended fix?
If the orifice is clogged with carbon or debris, you can often remove the assembly and carefully clear the tiny hole with a blast of compressed air or a manufacturer-recommended cleaning tool (not a drill or improvised wire that can change the orifice size). Replace any damaged orifice rather than re-drilling.If in doubt, replace the assembly to ensure correct gas flow and safe ignition.
Will I need additional parts when replacing the 316237805 (gaskets, clips, connectors)?
Sometimes additional small parts such as mounting clips, insulating washers, or replacement screws/gaskets are required, depending on model and condition.When ordering, check the appliance’s parts diagram or the service manual to confirm any auxiliary parts. Using OEM parts or an assembly kit that includes necessary hardware reduces the chance of fitment issues.
How can I be sure the 316237805 I buy is the correct replacement for my Frigidaire range/oven?
Verify compatibility by matching your appliance model number (usually on a tag behind the oven door frame, drawer, or rear panel) to the part number cross-reference in the Frigidaire parts catalog or an authorized parts dealer. Buying from authorized Frigidaire parts suppliers and providing your full model number minimizes the risk of getting an incorrect assembly.
To Wrap It Up
The 316237805 Frigidaire Ignitor Orifice Assembly plays a focused but critical role in appliance operation by ensuring reliable ignition and proper gas flow for compatible Frigidaire units. As a small but precision component, it directly affects appliance safety, ignition consistency, and overall heating efficiency; when functioning correctly it helps maintain expected performance and reduces the risk of misfires or inefficient combustion.
As symptoms of a failing ignitor orifice assembly can mimic other gas or ignition issues, accurate diagnosis is essential. Troubleshooting should include inspection for physical damage, electrical testing of the ignitor, and verification of correct gas flow and valve operation. When diagnostic steps indicate that the 316237805 assembly is worn, damaged, or out of specification, timely replacement with the correct, manufacturer-specified part helps restore safe and reliable operation.
Adhering to manufacturer guidelines, using the proper replacement part, and following recommended installation and testing procedures – or engaging a qualified service technician – minimizes risk and ensures the appliance continues to perform as intended. Routine maintenance and prompt attention to ignition problems preserve safety, extend equipment life, and maintain the efficiency of the appliance.
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