Lochinvar & A.O. Smith 100109944 Ignition Board Els PW 29614 always verify the boiler's rating

always verify the boiler's rating plate and the valve's technical data before attempting a conversion

which allows for versatile installation across multiple bracket types

providing seamless diagnostic integration with control boards

Verify the flame sensor is positioned within the pilot flame envelope and check for at least 0

Critical Safety Shutdown: Triggers an immediate safety shutdown if the flame is extinguished

Lochinvar & A.O. Smith 100109944 Ignition Board Els PW 29614 always verify the boiler's ratingThe 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