Potterton Sirius three FS 250 floor standing boiler 250kW

Product code: S12445

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Product Description

The compact Potterton Sirius Three 250 floor standing condensing boiler is designed for flexibility, suitable for a whole range of projects of various sizes as a standalone unit or as part of a cascade installation. The Sirius Three has modulation ratios of up to 9:8, a robust stainless steel heat exchanger and an extremely low NOx rating as well as a gross seasonal efficiency of up to 97.5% and ErP A rating. Fitted with castors, this boiler unit is easy and stress-free to install.

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