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Hot surface igniters by part number

10 igniter part numbers have pages on HVAC Fitter, from 5 brands: A.O. Smith (4), Ultrafryer (3), Bradford White (1), Heil (1) and 1 more.

Hot surface igniters for gas furnaces.

Each page shows the specs from the maker's and parts sellers' listings for that number. Match them with the label on your old part.

Hot surface igniters by brand

10 part numbers

Part numberPartBrandListed facts
00-424194-00001Ignitor/Flame Sensor AssemblyVulcan Hart3 specs
19A738Ignitor Rod AssemblyUltrafryer5 specs
2400-286IgniterBradford White3 specs
18186IgniterUltrafryer3 specs
18187Ignitor Cable Reference GuideUltrafryer3 specs
1009524Igniter Reference GuideHeil3 specs
100110899Water Heater 100110899 IgniterA.O. Smith5 specs
100112456IgniterA.O. Smith3 specs
100191120IgniterA.O. Smith4 specs
100271888Igniter GuideA.O. Smith3 specs

What to match on your old igniter

  • Volts: must be the same, often 120 V
  • Material: silicon carbide or nitride, as listed
  • Shape and mount: must fit the same bracket

Shop igniters by spec

More part number lists

All part numbers · Part number replacements · Parts by spec · Repair guides

Brand names and part numbers identify the part and show fit. HVAC Fitter is not affiliated with, authorized by, or endorsed by any equipment maker.