COMPAIR FLOW BACKDRAFT DAMPER TRIPLE ROUND 150MM 4043064

THERMOBOX 150, black/silver

The COMPAIR® flow THERMOBOX 150 heat retention flap is suitable for retrofitting into existing wall penetrations from the Naber® program. If the air outlet is routed through the roof, vertical installation is also possible.

The Blower-Door certified return flap impresses with technical innovations such as thermal insulation reflective layers and a magnetic closing mechanism. The preset opening pressure of the exhaust air prevents the flap from rattling, allowing it to open completely even at low air flow rates.

When the kitchen hood is turned off, the heat retention system automatically closes, preventing energy loss due to the intrusion of cold air from outside. Due to the shape optimally adapted to the pipe, retrofitting is extremely easy.

The THERMOBOX heat retention system for retrofitting into existing wall penetrations Naber®, also suitable for vertical installation (exhaust air outlet through the roof).

— Certified according to Blower-Door standard (required opening pressure %mygt% 65 Pa).