Genuine Ariston Printed Circuit Board (PCB). Ariston Combi A 24 MFFI - FROM 04/06. Ariston Combi A 24 MFFI - UPTO 03/06. Ariston Combi A 30 MFFI - UPTO 03/06. Ariston Combi A 30 MFFI FROM 04/06. The PCB oversees every process that occurs throughout the system via the switches, sensors and thermostats.
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