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854649516711 GSU 4956 WS
F041040 AVL 1000 (CIS) ARISTON
WD14H560FF
91321233111 L47333 AEG
persostato aire caldera roca 122165110 catenaria-microinterruptores 854649516711 GSU 4956 WSThe air pressure switch is a fundamental safety component in gas boilers, such as the Roca Victoria 20 20T boiler models. Its main function is to detect the air pressure in the gas evacuation system and ensure that the fan or extractor operates correctly before allowing the burner to ignite. This prevents the boiler from operating under unsafe conditions that could cause the accumulation of harmful gases. What problem does this replacement part solve?
