Ball siphon over/under pressure set complete

Plug and play heat recovery unit Delivery from stock! Are you familiar with our COMPACT This economical and compact version of our Plug & Play AIRSTREAM heat recovery unit is equipped with a counterflow heat exchanger with bypass and a fully integrated control. Where our AIRSTREAM is a custom-made and project-built device that excels in its versatility, the COMPACT is only equipped with the necessary options. This makes this unit an economical alternative for ventilation of offices, schools, workshops and changing rooms