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These pilot burner/igniter-sensors provide pilot flame ignition and sensing in intermittent pilot systems. They consist of a target type pilot burner with a combination spark igniter and flame sensor mounted in place of the thermocouple.
Used with: S8600F, S8600H, S8600M, S8610F, S8610H, S8610M, S8610U, S8660D, S8660E, S8670D, S8670E.
Orifices: NE22, KF24, A26, KR14
Features:
- Used with SmartValve™ Systems.
- Replaceable Igniter-Flame Rod Assembly (Q3400A).
- Integral keyed plug provides quick, convenient connection of igniter and sensor to SmartValve™.
- Q3450 has front or 20 degree right, left flame patterns.
- Natural and LP gas orifices available.
- Variety of target styles available.
- Variety of mounting brackets available.
Compatibility & Applications:
- Listed for Carrier HVAC equipment (model-specific compatibility is not provided in the listing details)
- Must only be used where the manufacturer specifies this exact part number: LH680534 (confirm by the unit's model/serial and the applicable service/parts documentation)
User Reviews & Q&A Summary:
- Reviews commonly describe:
- - Perfect/OEM fit and being the correct replacement part
- - Easy installation for those performing the repair
- - Keeping a spare flame sensor (and often an ignitor) on hand for quicker winter repairs (review-reported)
- - Positive feedback on shipping speed, packaging, and overall purchase experience
Maintenance & Troubleshooting:
- The provided sources do not include formal diagnostic procedures for this flame sensor
- Reviews reflect replacement as a practical service repair (OEM part swap), with users reporting successful replacement experiences and restored confidence in having the correct part on hand
Certifications & Compliance:
- Meets ARI 780/790 Standard
User Reviews & Q&A Summary:
- Common theme is "correct part" for the intended replacement, with users reporting it worked as expected after installation
- Review feedback frequently mentions straightforward installation for a direct replacement
- Value and fulfillment are recurring positives (good deal/price and fast shipping)
Product Highlights
Propane, Natural Gas 
Universal MountSpecs
| Fuel Type: | Propane Natural Gas |
|---|---|
| Aeration: | Primary |
| Compression Fitting Size: | 1/4" 1/8" NPT |
| Compression Fitting Length: | 3/4" |
| Tip Style: | Batwing |
| Direction of Front Tip: | Dual Wing |
| Mount: | Universal Mount |
Reviews
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