- Outputs of 50kW, 70 kW, 90 kW, 110kW, 130kW, 150kW, 200kW and 250kW, making it suitable for a wide range of commercial applications
- Wide 9:1 modulation ratio reducing constant on/off cycling to improve efficiency and boiler longevity
- A gross seasonal efficiency of up to 97.5% reduces energy consumption
- Supplied with the latest Siemens controls with state of the art PCB, offering improved control options
- The QA75 Twist Knob Controller has a simple descriptive display and easy to use advanced programming functions
- Programmable to work with solar thermal, biomass and buffer tanks, for a sustainable, energy efficient solution across the complete range
- Suitable for LPG conversion; LPG conversion kits are available for off-grid applications
- Lightweight stainless steel heat exchanger for reliable and energy efficient heat transfer
- Integrated Low Loss Headers and Plate Heat Exchangers (available as options) are easier to install and offer a professional finish and reduced footprint
- A very compact design, with casters on the bottom of larger output boilers. Boilers will pass through 700mm doors and are easier to position when space is at a premium
- 1" flow and return connections (50-70kW) avoids major pipework modification
- An integrated Cascade function allows up to 16 boilers to be managed by the Siemens controller
- 0-10 volt connection provides a quick and simple interface with BMS
- Weather compensation functionality reduces operation costs
- A low NOx of under 24.6mg/kW minimises impact on the environment
- ErP compliant, reducing carbon emissions and improving efficiencies in support of government targets
- Certified for the ETL*, part of the Enhanced Capital Allowance (ECA) tax scheme for businesses
- Five year parts and labour warranty** for complete peace of mind
At this link you can find all the technical information: https://www.pottertoncommercial.co.uk/products/floor-standing-boilers/sirius-three-fs-50-250kw
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