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Shop Ariston boiler PCBs and replacement printed circuit boards for selected Clas, Genus, E-Combi, Microgenus and other compatible models. The PCB controls ignition, fan operation, sensors, pumps and safety functions. Before ordering an Ariston replacement PCB, confirm the full boiler model, GC number and PCB part number, as similar-looking boards may not be interchangeable.
A faulty Ariston boiler PCB may cause intermittent operation, ignition failure, fan faults, incorrect sensor readings, repeated lockouts or a boiler that does not respond to controls.
PCB-related problems may contribute to the Ariston 501 ignition fault, Ariston 612 fan fault, A01 ignition fault or A77 condensate-sensor fault. However, these codes can also be caused by wiring, electrodes, fans, sensors, gas valves or other components.
A Gas Safe engineer should test the boiler before replacing the PCB. Compare the existing board number with the product listing and confirm the boiler model and GC number before ordering.
