Melbourne Hydronic Heating


Baxi Duotec GA 1.12 12 Kw Outdoor unit



The Baxi Duo-Tec GA 1.12  boiler is ideal for Domestic use and purpose built with an outdoor weather proof casing for external installations.  The 12 Kw Duo-Tec boasts a 2yr Warranty, 5yr Stainless Steel Heat Exchanger Warranty, up to 96% efficiency, a 1:7 modulation ratio, state of the art Gas Adaptive control.which, together with a wide modulation range of 1:7, contributes to smooth operation which delivers more energy efficiency and reliability for residential applications.


  • 1:7 turn down Modulation ratio
  • 316 Stainless Steel Heat Exchanger
  • Expansion Tank & 3 Bar Pressure Relief Valve
  • GAS Adaptive Control (on installation Boiler has smarts to recognise the incoming gas supply being NG or LPG and adapts)
  • Indoor / Outdoor
  • Integral High Efficiency Modulating Pump
  • Facility for Built-in outdoor temperature compensation sensor