presostato caldera saunier duval 7 wn864wo/s WAA2027JPL/11 BOSCH

WAA2027JPL/11 BOSCH

so it must be installed together with the appropriate safety system

Illuminated and 90º adjustable display for better viewing

PKNB36VI30/06

presostato caldera saunier duval 7 wn864wo/s WAA2027JPL/11 BOSCHThe 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