BTH/SUF/HCG Boiler Igniter w/ 1.75" Neck Replaces AO Smith, 100110899, DS017KX

Surface Igniter DS017KX Boiler Igniter – Replaces AO Smith 100110899

Brand New – High Efficiency Igniter for Natural & Propane Gas Boilers

Restore reliable ignition performance in your AO Smith commercial boiler with this premium hot surface igniter. The DS017KX features a 1.75" neck and includes an insulated gasket for secure, leak-free installation. Designed for high-efficiency operation across natural and propane gas systems.

⚙️ Product Features:

• Model: DS017KX
• Fits: AO Smith BTH, SUF, HCG Series
• Fuel Type: Natural Gas & Propane
• Neck Length: 1.75"
• Includes: Insulated mounting gasket
• Ignition Type: Hot Surface Ignitor (HSI)
• Condition: Brand New Replacement

Replaces These Part Numbers:

• 100110899
• 60-120
• 100-150
• 100-199
• 100-250
• 9006101205
• N45-573

✅ Compatible Models:

• AO Smith BTH Series
• AO Smith SUF Series
• AO Smith HCG Series

Built for commercial-grade performance. Whether you're servicing a Polaris water heater or a high-efficiency AO Smith boiler, this igniter delivers consistent ignition and long-term reliability.

⚠️ Always verify compatibility with your unit’s model and original part number before purchase. Professional installation recommended.