Lochinvar & A.O. Smith 100109944 Ignition Board 322838-753 Technicians should note that this

Technicians should note that this specific control board is designed for 2-stage systems

This EMERSON potential relay is rated for 336V and is frequently used in high-torque applications

this valve provides the necessary reliability for demanding HVACR environments

Proper handling is vital

operating pressure

Lochinvar & A.O. Smith 100109944 Ignition Board 322838-753 Technicians should note that thisThe 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