Sirius, the brightest star of the Öndemak Heating Systems family. Thanks to its technology, quality and performance, it will make you feel the comfort of your home and the white peace of winter. We did our best to have a pleasant winter with Sirius, now it’s up to you to enjoy it.
Operational Features​
Automatic Ignition
Automatic Fuel Feed
Automatic Heat Exchanger Cleaning
Automatic Ash Removal
Automatic Burner Cleaning
Full Modulation Combustion Control
Modulation Up To Outside Temperature
Modulation Up To Flue Temperature
Buffer Tank (Hot Water Tank) Temperature Management Sensor
Buffer Tank (Hot Water Tank ) Circulation Pump Control