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Furnace Igniter & Flame Rod for Q3400A1024, Q3400A1040, AFN643

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SKU:
AFN643
UPC:
793713635187
MPN:
AFN643
Condition:
New
Availability:
Restocking Frequently – Order Now Before It’s Gone
$29.38

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Description

Furnace Igniter & Flame Rod Assembly – Replaces Honeywell Smart Valve Series (AFN643)

Restore safe and reliable ignition in your gas furnace with this brand-new igniter and flame rod assembly. Designed to replace Honeywell SmartValve series components, the AFN643 is a direct-fit solution for pilot ignition and flame sensing in systems using SV9500 and SV9600 Smart Valves.

⚙️ Product Features:

  • Voltage: 24V AC
  • Includes: Igniter-flame rod assembly, 30″ wiring harness with keyed plug, mounting clip
  • Function: Igniter lights pilot burner; flame rod verifies pilot flame
  • Connector: Keyed plug fits SV9500/SV9600 SmartValve systems only
  • Condition: Brand New – Unused

Replaces These Part Numbers:

  • AFN643
  • 1009524
  • 1149856
  • 42640001
  • Q3400A
  • Q3400A1016
  • Q3400A1024
  • Q3400A1040
  • Q3450
  • Q3480
  • Q3620

✅ Compatible With:

  • Honeywell SmartValve systems: SV9500, SV9600
  • Used in pilot hardware Q3400A, Q3450, Q3480
  • Common in Goodman, Amana, and other OEM gas furnaces

️ Installation Tips:

  • Disconnect power and shut off gas supply before servicing
  • Remove access panel and locate pilot burner assembly
  • Detach old igniter/flame rod and unplug harness
  • Install new assembly using included clip and plug in harness
  • ✅ Confirm proper flame sensing and ignition sequence before reassembly

⚠️ Installation Disclaimer:

This igniter-flame rod assembly is designed for Honeywell SmartValve systems only. Buyer is responsible for verifying compatibility with their specific furnace model prior to purchase. Installation should be performed by a licensed HVAC technician. Returns not accepted on installed or damaged items due to the fragile nature of igniters.

Reliable ignition. Verified flame. Built for Honeywell SmartValve systems.

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