The ECOtronic Heritage Series of vertical exhaust centrifugal
roof ventilators shall be as designed and manufactured by
Fantech Pty Ltd.
The cowl shall be of galvanised steel unless specified otherwise.
Impellers shall be backward-curved centrifugal design and
driven by an EC shaft motor with
The windband shall incorporate quick-release toggle clamps
to provide easy access for cleaning and maintenance
All models shall be fully tested as a complete assembled unit
to ISO5801: 2007 for air flow and ISO3744: 2010 for noise.