presostato caldera saunier duval 7 wn864wo/s HB76AS550E/04 SIEMENS
Description
HB76AS550E/04 SIEMENS
WAE24462ES Siemens WM14E442ES
Home ventilation
WAA2027JPL/11 BOSCH
\n THEMA 23
presostato caldera saunier duval 7 wn864wo/s HB76AS550E/04 SIEMENSThe 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
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