Potterton Sirius three WH - Wall Hung Boiler

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