Particularly suitable for replacement projects such as large domestic properties and small commercial premises, and for medium sized applications up to 440kW, the Sirius three floor standing condensing boiler has a stainless steel heat exchanger and offers optimum performance, efficiency and value. 70kW model.
- Outputs of 50, 70, 90, 110, 130, 150, 200 and 250kW when used with cascade pipework kits. Suitable for a wide range of properties, from large domestic to medium sized commercial premises. 70kW boiler.
- Highly efficient stainless steel heat exchanger - designed for maximum combustion performance and energy efficiency
- High modulation ratio (up to 9:1) - extremely efficient, saving money and reducing carbon emissions
- Room-sealed flue and 5 year parts and labour warranty - For complete peace of mind