The Potterton Sirius Commercial wall hung is a wired remote control with Rotary Knob adjustment.

• Gross seasonal efficiency up to 97.5 percentage
• QA75 Twist Knob full text controller
• Lightweight stainless steel heat exchanger
• Can be programmed to work with solar thermal, biomass and buffer tanks
• Very compact design with castors on the bottom of larger output boiler
• Integrated Cascade function
• Optional 0-10 volt output
• Liquified Petroleum Gas options available
• For quick and simple integration with BMS