Potterton Sirius 3 wall hung boiler 70kW

Product code: S12433

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Description
Specification

Product Description

Compact and lightweight, Sirius three WH condensing boilers are supplied with a stainless steel heat exchanger and offer a market-leading modulation ratio of 9:1. Supplied with weather compensation as standard to ensure high seasonal efficiency all year around. Available in 50, 60, 70, 90, 110, 130 and 150kW outputs offering up to 660kW with optional cascade pipework kits. 70kW model.

Product Features

  • Compact and lightweight stainless steel condensing boiler
  • Lowest NOx ratings on the market
  • Modulation ratios up to 9:3
  • Gross seasonal efficiency up to 97.3%
  • Cascade output up to 700kW