✔ The cross-section is always freely accessible for the chimney sweep.
✔ The fan and electric components are not in contact with aggressive and hot
flue gasses. This means that the chimney fan needs a little maintenance.
✔ The cross-section of the chimney is always free - even during power failures.
✔ If the natural chimney draught is sufficient and the INJEKT is not needed,
it can be switched off. There is no risk of damage. This is also saves