Pressostat 0.4 bar côté masse De Dietrich JJX000648394

This pressure switch 0.4 bar ground side is a safety device that monitors system pressure and activates at 0.4 bar. It is typically used in boilers or burners to ensure proper pressure conditions. As a heating equipment component, it helps prevent damage from low or high pressure. Reliable and easy to install, this switch is a common spare part for maintenance.