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As a two-position valve body
It serves as the primary communication hub between the thermostat and high-voltage components
The internal valve insert assembly includes upgraded components to improve seat sealing and operational longevity
It is supplied as a complete kit
Is this a direct replacement for an ECM motor
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
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