Heat recovery units are used to transfer the heat from the exhaust air to supply air. In the transition seasons, it is much more suitable to supply the fresh air directly to indoor by not passing throug hthe heat exchanger. By-pass conection kit allows controlling the outdoor air automatically and supplying the outdoor air directly to the indoor when it is necessary. Heat recovery units with BCK have the following heights and withs.
|Simx Model||BCK 04||BCK 09||BCK 11||BCK 16||BCK 20||BCK 29||BCK 36||BCK 51|