Furnace Igniter & Flame Rod for Q3400A1024, Q3400A1040, AFN643

<div style="font-family: Arial, sans-serif; font-size: 16px; line-height: 1.6;"> <h2 style="color:#0046be;"> Furnace Igniter &amp; Flame Rod Assembly – Replaces Honeywell Smart Valve Series (AFN643)</h2> <p>Restore safe and reliable ignition in your gas furnace with this <strong>brand-new igniter and flame rod assembly</strong>. 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.</p> <h3 style="color:#333;">⚙️ Product Features:</h3> <ul> <li>Voltage: <strong>24V AC</strong></li> <li>Includes: <strong>Igniter-flame rod assembly, 30″ wiring harness with keyed plug, mounting clip</strong></li> <li>Function: <strong>Igniter lights pilot burner; flame rod verifies pilot flame</strong></li> <li>Connector: <strong>Keyed plug fits SV9500/SV9600 SmartValve systems only</strong></li> <li>Condition: <strong>Brand New – Unused</strong></li> </ul> <h3 style="color:#333;"> Replaces These Part Numbers:</h3> <ul style="columns:2;"> <li>AFN643</li><li>1009524</li><li>1149856</li><li>42640001</li> <li>Q3400A</li><li>Q3400A1016</li><li>Q3400A1024</li><li>Q3400A1040</li> <li>Q3450</li><li>Q3480</li><li>Q3620</li> </ul> <h3 style="color:#333;">✅ Compatible With:</h3> <ul> <li>Honeywell SmartValve systems: SV9500, SV9600</li> <li>Used in pilot hardware Q3400A, Q3450, Q3480</li> <li>Common in Goodman, Amana, and other OEM gas furnaces</li> </ul> <h3 style="color:#333;">️ Installation Tips:</h3> <ul> <li> Disconnect power and shut off gas supply before servicing</li> <li> Remove access panel and locate pilot burner assembly</li> <li> Detach old igniter/flame rod and unplug harness</li> <li> Install new assembly using included clip and plug in harness</li> <li>✅ Confirm proper flame sensing and ignition sequence before reassembly</li> </ul> <h3 style="color:#c00;">⚠️ Installation Disclaimer:</h3> <p><strong>This igniter-flame rod assembly is designed for Honeywell SmartValve systems only.</strong> 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.</p> <p><strong>Reliable ignition. Verified flame. Built for Honeywell SmartValve systems.</strong></p> </div>

• 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