Zehnder Acoustic Flexiduct, Aluminium, Dia 150mm, 10m Length veto_cat_carpenter 'X' suffix models also have

'X' suffix models also have powered electric anti-backdraught shutters 251210

The optional additional heater (400W) can be used pre or post the heat recovery unit (a pre heater must be used if Passive House conformance for the heat recovery unit is required)  They are used to temper incoming supply air through the heat recovery unit

Zehnder P/N 990 322 016

Unity CV2GIP features a new and innovative way of using humidity to control ventilation

attenuation and thermal properties make it the ideal ductwork for use in small ceiling voids as well as being strong enough to be used in areas where there is a concrete pour

Zehnder Acoustic Flexiduct, Aluminium, Dia 150mm, 10m Length veto_cat_carpenter 'X' suffix models also haveAcoustic duct, flexible, aluminium, 150mm, 10m