Honeywell SM16502 PCB (control board)

Honeywell SM16502U, 39817770 Original electronic board for control of boiler equipment Honeywell Control board Honeywell SM16502U (art. 39817770) is an original electronic component designed for installation in gas and liquid fuel burners, boilers and heat generators. The product is a printed circuit board with a controller, which contains elements for processing sensor signals, controlling actuators and ensuring safety algorithms. If your boiler equipment gives an error, does not respond to commands or works intermittently, the cause may be a malfunction of the electronic control board. Technical specifications Part numbers: SM16502U, 534.568.718 Manufacturer: Honeywell (USA/Germany) Type: Electronic control board (controller) Application: Boiler equipment, gas burners, heating systems Key advantages Original Honeywell compatibility: Full compliance with factory specifications, ensuring correct operation of the control unit assembly with flue and ventilation. High reliability: Design and production at Honeywell facilities guarantees stable operation even with temperature and humidity fluctuations in the boiler room. Accurate diagnostics and timely shutdown: The board reads readings from built-in sensors and puts the equipment into a safe state when faults are detected. Stable operation of automation: The controller ensures correct communication between sensors, pumps, valves and the operator panel, which is especially important for gas burners and water heaters. Signs of malfunction and why replacement is needed Replacement of the control board is required when the following symptoms are detected: Errors and burner lockouts: The error code indicates an internal controller malfunction. W