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This unit is essential for maintaining precise loop temperatures in hydronic systems requiring high-performance mixing valve configurations and long-term mechanical reliability
or failure to open/close completely under normal power conditions
Encased in a rugged aluminum mounting block
This model is designed for 24V low-voltage or 750mV millivolt systems
Lochinvar & A.O. Smith 100167795 Control 320720-756 This unit is essential forThe Lochinvar & A. O. Smith 100167795 Control is a critical integrated control board engineered specifically for high efficiency hydronic systems. This OEM component is the primary interface for Knight XL boiler models KBN601 through KBN801 with serial numbers prior to H10. As a veteran grade replacement control module, it manages the entire firing sequence, including direct spark ignition, flame sensing via the flame sensor circuit, and precise