Zehnder EVO 4 with Pre-Heater, Factory Handed REPORT-CAT-072 1 x Trigger button to

1 x Trigger button to control speed

and fully documented results every time

The Zehnder ComfoTube Flow 90mm is a high performance semi-rigid ductwork ideal for residential applications

even on uneven terrain

Smart design prevents snow and rain ingress by higher outlet and smart drains

Zehnder EVO 4 with Pre-Heater, Factory Handed REPORT-CAT-072 1 x Trigger button toZehnder Evo 4 Wall or Ceiling Mounted MVHR The Zehnder EVO 4 has a compact and slim design along with adjustable spigots and can be configured as either left or right handed in addition to being ceiling or wall mounted. The Zehnder EVO 4 supports flow rates of up to 400 m h and has the option to choose between an HRV or ERV (471 100 164) heat exchanger to suit your specific requirements. It is available with a 1 kW preheater (471 100 155 471 100 156)