AO Smith Water Heater 9004519205 and 100109906


SKU: DB9205

Drop-in hot surface water heater igniter replacement

  • Brand: Direct Brand
  • Replaces: AO Smith 100109906 and 9004519205
  • Quality replacement without paying the OEM price!

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AO Smith 9004519205 and 100109906 Hot Surface Igniter

This water heater igniter replaces AO Smith 9004519205 and AO Smith 100109906 hot surface igniters. This is a high quality replacement part  is made from Silicon Nitrate, rather than Silicon Carbide. This easy to fit direct drop-in upgrade replaces hot surface igniters 9004519205 and 100109906.

Full Product Specifications:

  • 3 Year Warranty
  • Easy to fit
  • Direct drop-in replacement
  • Silicon Nitride construction


  • BTH-120 Thru 250 Old Numbers # 192638 and 192638-B.

Included in the box:

Replacement igniter. AMP Model.