- Outputs of 50kW, 60kW, 70kW, 90kW, 110kW, 130kW and 150kW making it suitable for a wide range of commercial applications
- Lightweight stainless steel heat exchanger for reliable and energy efficient heat transfer
- Wide 9:1 modulation ratio reducing constant on/off cycling to improve efficiency and boiler longevity
- A gross seasonal efficiency of up to 97.3% reduces energy consumption
- A low NOx from 17mg/kW minimises impact on the environment
- 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
- 0-10 volt connection provides a quick and simple interface with BMS
- An integrated Cascade function allows up to 16 boilers to be managed by the Siemens controller
- Its very compact design offers both 130kW and 150kW outputs within the same footprint as 110kW
- 1" flow and return connections (50-70kW) avoids major pipework modification
- Programmable to work with solar thermal, biomass and buffer tanks, for a sustainable, energy efficient solution across the complete range
- Commissioning by Potterton Commercial engineers and service plans are available to ensure your boiler is working reliably and efficiently
- Five year parts and labour warranty* for complete peace of mind
- Compact and lightweight stainless steel condensing boiler
At this link you can find all the technical information: https://www.pottertoncommercial.co.uk/products/wall-hung-boilers/sirius-three-wh
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