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It doesn't close properly or seal in heat
WTWH75S9SN
Original spare part with the quality of Official technical service
SGU53A32SK
presostato caldera saunier duval 7 domar It doesn't close properly orThe pressure switch is an electronic safety component for Saunier Duval boilers that detects the pressure or airflow in the combustion system. Its function is to ensure that the fan properly expels the burnt gases before the boiler ignites the burner, thus preventing risks of malfunction or accumulation of dangerous gases. What problem does this replacement part solve? The boiler does not start due to lack of airflow detection. Unexpected shutdown of
