Lochinvar & A.O. Smith 100167821 Board 326058-757 As a two-position valve body

As a two-position valve body

The Bard 8602-064 Solid State Enthalpy Sensor is engineered to deliver just that

For high-pressure steam boiler water feeding

Upgrade and maintain system integrity with the York S1-331-03009-000 Control

Lochinvar & A.O. Smith 100167821 Board 326058-757 As a two-position valve bodyThe Lochinvar & A. O. Smith 100167821 Integrated Control Board is a critical OEM component designed for high efficiency gas fired boilers and water heaters. As a direct replacement furnace circuit board, this module manages essential system sequences, including hot surface ignition, flame rectification, and manifold gas valve actuation. It serves as the central processing hub, utilizing real time sensor data to modulate thermal output and optimize