Zehnder ComfoFond-L Q, Right Handed 400 100 090 The soft foam insert with

The soft foam insert with custom-fit compartments ensures that each measuring instrument has its own space

and an easy-press rubberised switch for convenient operation

Main PCB for Zehnder ComfoAir 200

left handed heat recovery ventilation system is highly suited to new build residential or light commercial projects

(GD818SSCI) to securely connect to a straight length

Zehnder ComfoFond-L Q, Right Handed 400 100 090 The soft foam insert withThe ComfoFond L Q is a subsoil heat exchanger which uses the renewable energy captured in the ground.. It can be linked to your Zehnder heat recovery system and uses the constant year round temperature of the earth to pre heat incoming air during cold periods and pre cool incoming air during warmer months. It can do this thanks to the relatively stable temperature of the earth year round at a depth of 1. 2 1. 6m compared to the variability of the air