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If flame rectification is not sensed within the 10-second TFI
this is an OEM-specific part for AO Smith and Lochinvar Gen 2 units
Common Questions Is a minimum pressure differential required for this valve to operate
Enhanced Protection: The polyethylene shield prevents accidental grounding and protects the conductive probe from physical debris
Lochinvar & A.O. Smith 100275525 Board 326058-755 If flame rectification is notThe Lochinvar & A. O. Smith 100275525 Interface Control Board is a critical OEM replacement component designed for high efficiency boiler and water heater systems. This user interface control board serves as the primary communication hub between the technician and the appliance, processing input signals and regulating essential heating functions. Engineered for precision, the 100275525 board ensures accurate temperature modulation and system