Potterton Sirius three FS 70 floor standing boiler 70kW

Product code: S12439

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Product Description

Suitable for a wide range of projects of different sizes requiring up to 440kW, the Potterton Sirius Three 70 floor standing condensing boiler is extremely compact and easy to fit. With modulation ratios of up to 9:8, a reliable stainless steel heat exchanger and the lowest NOx rating available, the Sirius Three is ErP A-rated for energy efficiency and offers a gross seasonal efficiency of up to 97.5%. This boiler can be installed as part of a cascade system.

Product Features

  • Lowest NOx ratings on the market
  • Modulation ratios up to 9:8
  • Lightweight stainless steel heat exchanger
  • Gross seasonal efficiency up to 97.5%
  • Very compact design with castors on the bottom of larger output boiler
  • Particularly suited to replacement projects in large domestic and small commercial properties
  • For applications up to 440W
  • Cascade output up to 1MW
  • 5 Years warranty