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provided the correct burner orifices and gas valve adjustments are maintained according to the boiler's rating plate
Precise 3000 RPM Calibration: Maintains the exact static pressure required to close the air pressure switch and initiate the ignition sequence
it utilizes a 240Vac power supply and features a NEMA 4X enclosure
Precision Sensing: Utilizes a 20
Lochinvar & A.O. Smith 100167824 Control Board 321042-401 provided the correct burner orificesThe Lochinvar & A. O. Smith 100167824 Control Board is a critical integrated component designed for high efficiency Knight XL heating boilers, specifically the KBN501 series. As a direct replacement for the obsolete RLY30066, this OEM control board manages essential system parameters including hot surface ignition, flame sensing, and temperature regulation. It ensures precise HVAC system timing and safety protocols by monitoring the air pressure
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