Connection piece for 1 diam. 75 air duct and diam. 125 main air duct or air disk valve with direction change.
in stock
Code: 16541
A Heat Recovery Ventilation (HRV) system is designed to ensure optimum air exchange in a building while minimizing heat losses through ventilation. In traditional family houses where ventilation is ensured through trickle vent or slot vent, heat losses through ventilation represent up to 40% of the building’s total heat loss.