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these two part numbers represent the same technical component and are interchangeable in all documented Lochinvar and A
making it a versatile OEM replacement part for various furnaces
000 BTU/hr capacity while maintaining sensitivity even at extremely low pressure differentials
it typically indicates a mechanical failure within the internal operator or a blockage in the pilot tube connection
always inspect the blower wheel for debris or imbalance during the motor replacement process
Lochinvar & A.O. Smith 100167819 Control Board 30067439-890 these two part numbers representThe Lochinvar & A. O. Smith 100167819 Integrated Control Board is a critical OEM replacement component designed for high efficiency hydronic systems. This board is the direct successor to the RLY30061 and is specifically engineered for use with Knight WB 81 211 wall mount boilers and KBN81 286 heating boilers with serial numbers beginning with H10. As a veteran technician, you know that maintaining the SMART SYSTEM control logic is essential for