Lochinvar & A.O. Smith 100112636 Control Board 321894-709 including alarm setpoints and relay

including alarm setpoints and relay logic

Precision Pressure Control: Maintains tight outlet pressure tolerances (3-6" WC range) to prevent pilot outages and ensure clean combustion

Direct OEM Replacement: The BAYLOAM020B serves as the exact technical successor to the legacy CNT4875

Its corrosion-resistant 321SS construction makes it the preferred choice for industrial environments where standard 304 or 316 steel may fail under high-heat stressors

For technicians performing preventive maintenance or emergency repairs

Lochinvar & A.O. Smith 100112636 Control Board 321894-709 including alarm setpoints and relayThe Lochinvar & A. O. Smith 100112636 Control Board is a critical OEM replacement part designed for precision direct spark ignition (DSI) and intermittent pilot systems in commercial water heaters and boilers. This Fenwal ignition control operates on 24VAC 120VAC, 50 60Hz, utilizing advanced flame rectification technology to monitor burner performance and ensure safe startup cycles. As a veteran grade HVAC replacement board, the 100112636 features