Onnline duo 25 double-function wall-hung gas condensing boiler WKD 4611 00 00 00/PL-O

- High acoustic comfort (only 48dB)
- Latest generation stainless steel heat exchanger with aluminum burner door
- High-efficiency circulation pump (EEI ≤ 0.23) with automatic air vent
- Easy-to-use control panel
- The latest generation BLUEJET burner
- A wide range of modulation that allows you to adjust the boiler power to the current heat demand
- Fan with smooth speed regulation, electronically controlled
- Low NOx emissions (highest class 5)
- Complete security system
- Possibility of optimized management of the boiler operation thanks to cooperation with the room temperature controller
- Possibility to connect the room temperature controller with Open-Therm communication
- Possibility to connect a room temperature controller