Potterton Sirius three 70 wall hung boiler 70kW

Product Description

The highly efficient Potterton Sirius three 70 wall-hung condensing boiler achieves an ErP A rating thanks in large part to its impressive 9:1 modulating ratio which is designed to reduce on/off cycling, improving boiler longevity. This 70kW output unit also offers the lowest possible NOx rating inbuilt weather compensation and easy to use advanced programming functions alongside a simple descriptive display. Compact and lightweight, the Sirius three 70 makes installation easy in almost any position.

Product Features

• Compact and lightweight
• Lowest NOx ratings on the market
• Modulation ratios up to 9:1 reduce on/off cycling
• Simple descriptive display
• Easy to use advanced programming functions
• Gross seasonal efficiency up to 97.3%
• Cascade output up to 700kW
• 5 Years warranty

• Potterton_SS_Boiler_Range_Guide
• Potterton_Sirius_three_WH_Technical
• Potterton_Sirius3_WH_50-70_Install