Potterton Sirius three 70 wall hung boiler 70kW

Product code: S12433

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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