The automatic purge system is used to prevent that the sludge accumulates on the bottom of the steam generator create damage to the structure of the boiler, are then regularly discharged by cyclic opening of the purge valve.

The interval, the number and duration of purges should be set by the user, through the timer positioned on the electrical panel, according to the characteristics of the water in the boiler and to the plant requirements.

The automatic bottom purging unit prevents unnecessary purging duplication or omission verifiable with the manual system.

The system requires compressed air availability.