Lochinvar & A.O. Smith 100109944 Ignition Board Els PW 29614 featuring the correct 48Y frame

featuring the correct 48Y frame size and base mounting and shaft specifications

Why choose a Long Radius (LR) elbow over a Short Radius (SR)

This kit is a universal-fit solution for many gas dryers and small heating units

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 featuring the correct 48Y frameThe 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