Potterton Sirius three FS 250 floor standing boiler 250kW

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

• Potterton_Sirius3_FS_150-250_Install
• Potterton_SS_Boiler_Range_Guide
• Potterton_Sirius_three_FS_Technical