Zehnder EVO 4 with Pre-Heater, Mirror Handed 990 328 001 in order to reinstate the

in order to reinstate the original fire rating of the ceiling

sealant and screws and also exceeds the

1/4 turn Ball Valve

Zehnder P/N 990 322 037

Eco Versions:

Zehnder EVO 4 with Pre-Heater, Mirror Handed 990 328 001 in order to reinstate theZehnder 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)