Description
The Lochinvar & A.O. Smith 100338898 is an OEM replacement Spark Ignitor Gasket designed to maintain a proper seal at the spark ignitor port on compatible Lochinvar and A.O. Smith water heaters and boilers. Replacing a worn or damaged ignitor gasket helps prevent combustion gas leaks, preserves ignition reliability, and supports safe, efficient unit operation.
Product Highlights
- OEM replacement part for Lochinvar and A.O. Smith equipment
- Provides a secure, leak-resistant seal at the spark ignitor port
- Helps maintain proper ignition performance and combustion integrity
- Supports safe operation by preventing combustion gas bypass
- Direct replacement for straightforward installation
Compatibility
- Designed for use with compatible Lochinvar and A.O. Smith water heaters and boilers
- Consult your equipment manual or contact Jackson Systems to confirm fitment for your specific model
Part Information
- Brand: Lochinvar & A.O. Smith
- Part Number: 100338898
- Part Type: Spark Ignitor Gasket







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