Velco VLR Fresh Air Valve for a new wall mounting

Velco VLR Fresh Air Valve

The thermostat regulated Velco VLR is a wall-mounted fresh air valve designed for fresh air supply. The thermostat adjusts its opening according to outdoor temperature enhancing energy efficiency. The thermostat fully opens at temperatures above + 10 °C and closes it at temperatures below -5 °C. In colder weather, a few millimeters of minimum opening ensures sufficient ventilation. The minimum opening can be adjusted to suit the installation site.

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