Lochinvar & A.O. Smith 100167769 Control Board Refrigerant It features a calibrated plastic

It features a calibrated plastic tube containing a white material and a red oil-soluble dye

The York S1-025-41237-000 Heater Assembly is a precision-engineered 4

Does this board require jumpers for timing adjustments

Key Benefits Compatibility: Direct OEM replacement for the 626552

Lochinvar & A.O. Smith 100167769 Control Board Refrigerant It features a calibrated plasticThe Lochinvar & A. O. Smith 100167769 Integrated Control Board is a critical component for managing central heating logic, ignition sequences, and safety monitoring in high efficiency boilers and water heaters. As a veteran grade OEM replacement part, this board is the direct successor and is 100% identical to the RLY30013, ensuring seamless HVAC control board compatibility without requiring harness modifications. It functions as the primary "brain"