Zehnder EVO 4 0572 1560 The twist on/off cover requires

The twist on/off cover requires only a single side entry fixing screw

In line configurable option

65 Q+ TP420B HRV1

By-pass valve + ball joint for Zehnder ComfoAir Q 350/450/600

CIRCLE diffusers provide high air mixing capability and seamless concealment making them ideal for ventilation

Zehnder EVO 4 0572 1560 The twist on/off cover requiresZehnder 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)