Lochinvar & A.O. Smith 100275525 Board 326058-755 for proper operation and safety

for proper operation and safety interlocking

Common Questions Is a minimum pressure differential required for this valve to operate

The York S1-025-27727-002 temperature control is a precision-engineered SPST (Single Pole Single Throw) inductive switch designed for consistent thermal regulation in York

The 1/2" round shaft adapter and die-cast aluminum housing provide a rugged

Enhanced Protection: The polyethylene shield prevents accidental grounding and protects the conductive probe from physical debris

Lochinvar & A.O. Smith 100275525 Board 326058-755 for proper operation and safetyThe 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