Lochinvar & A.O. Smith 100109944 Ignition Board L99H008 meeting strict fire and safety

meeting strict fire and safety codes for installation in ceiling cavities

Precise 2 RPM Output: Delivers consistent

hair-line fractures in aged plastic traps

utilizing a 1/2-inch bore for seamless integration with compatible PSC and ECM motors

Lochinvar & A.O. Smith 100109944 Ignition Board L99H008 meeting strict fire and safetyThe Lochinvar & A. O. Smith 100109944 Ignition Board is a critical OEM replacement part engineered for high performance commercial gas water heaters. Designed for precision ignition control, this integrated circuit manages the HSI (Hot Surface Ignition) sequence, ensuring consistent flame sensing and gas valve timing for specific BTN and BTR 500 series units. As a verified factory replacement board, it eliminates the timing issues and terminal