Description
OEM Ignitor Rod for Lochinvar & A.O. Smith Equipment
The Lochinvar & A.O. Smith 100224099 Ignitor Rod is a genuine OEM replacement part engineered to restore reliable ignition performance in compatible Lochinvar and A.O. Smith heating equipment. Using an authentic OEM ignitor rod ensures proper fit, correct spark gap geometry, and consistent ignition every time — eliminating the guesswork and callbacks that can come with aftermarket substitutes.
Why Choose an OEM Ignitor Rod?
Ignitor rods are a critical component in the combustion sequence of gas-fired boilers and water heaters. A worn, cracked, or fouled ignitor rod can cause nuisance lockouts, failed ignition attempts, and costly service calls. Replacing it with the correct OEM part restores the original ignition arc characteristics the equipment was designed around.
Key Features
- Genuine Lochinvar & A.O. Smith OEM replacement part
- SKU: 100224099 — direct factory replacement
- Engineered for precise fit and correct spark gap alignment
- Restores reliable ignition and reduces nuisance lockouts
- Compatible with applicable Lochinvar and A.O. Smith boiler and water heater models
- Durable ceramic and electrode construction for long service life
Application
Designed for use in Lochinvar and A.O. Smith gas-fired boilers and water heaters that utilize a direct spark ignition system. Always verify compatibility with your specific equipment model number before installation.
Installation Notes
- Disconnect power and gas supply before servicing
- Handle ceramic insulator with care to avoid cracking
- Verify spark gap per equipment service manual after installation
- Consult the original equipment documentation for torque specifications and wiring connections







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