Lochinvar & A.O. Smith 100112636 Control Board 321894-709 replacing with an authentic 8201-056BX

replacing with an authentic 8201-056BX ensures that high-limit safety loops and blower-off delay timings remain within factory specifications

Its simple design ensures long-term durability in demanding thermal environments

Does this assembly replace Lennox part number 50J53

Its precision fit ensures compatibility with specified ASCO RedHat valve series

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

Lochinvar & A.O. Smith 100112636 Control Board 321894-709 replacing with an authentic 8201-056BXThe 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