ATAG Q25S Solo boiler system Vertical

Q25S, white - The Q 25S is a compact 25 kW condensing system boiler for Heating and DHW.
- Complete with a in-built 3 port diverter valve.
- Multiple flue options: Horizontal, Vertical, Twin and flexible flue liners available.
- Highest efficiency on the market: 110.9% according to RAL UZ61.
- 316 stainless steel heat exchanger for continous high efficiency and reliability.
- Weather dependant operation after installing the ATAG outside sensor.
- Compatible with the ATAG BrainQ controller.