Heat Sources

Enviromax Condensing


  • Output 20kW
  • Dimensions ( H x W x L) 856 x 555 x 618
  • Model C20
  • Flue 125mm Coaxial
  • SKU #:FB20NZ


More than 5000 Firebird diesel boilers have been sold in New Zealand over the past 16 years. The main benefit to the end user is their quietness when compared with other boilers. From the installer’s point of view they are robust and reliable. These condensing boilers have increased efficiency when compared to the standard models.

  • Efficiency up to 95% net
  • FB26 and FB35 use a 125mm coaxial flue
  • FBE44S use a 150mm coaxial flue
  • 5-year warranty
Enviromax Condensing image