Ubbink 160mm Sound Attenuator 990 316 102 operates silently and helps reduce

operates silently and helps reduce noise ingress

10mm Non Return Valves FP2630

or to connect ø 160 rigid round duct to the Zehnder ComfoTube Flat 51 manifold

up to 93% of the heat is recovered by the heat exchanger before the air is expelled into the atmosphere – at the same time air is drawn in from outside and the recovered heat is then transferred and filtered before it is distributed back into the property

adjust the level of humidity that activates the fan and you can also turn off the humidity function

Ubbink 160mm Sound Attenuator 990 316 102 operates silently and helps reduceIndoor sound is potentially a greater source of noise hindrance than outdoor sound as the insulation in buildings is improved. Mechanical ventilation units make sound, which may be experienced as noise hindrance, as they displace the air through the air distribution system. They emit sound by vibration and through the casing and the air distribution system. Sound is also generated as air travels through the air distribution system, including the