Zehnder EVO 4 0572 1560 the testo 400 allows for

the testo 400 allows for ergonomic and ladder-free measurements even at ceiling outlets

Ubiflux Vigor has an upgrade version to the Plus version which gives additional connection functions

In line configurable option

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

Zehnder EVO 4 0572 1560 the testo 400 allows forZehnder 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)