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Extension pieces - ZTR
We offer two extension options to be used with the VELUX Rigid Tunnel (TWR, TLR) in cases where the distance from top edge of batten to ceiling finish level is over 1.85 m. The ZTR extensions allow you to extend your Rigid Tunnel to 6 meters in length.
ZTR 0062 - 560mm
ZTR 0124 - 1180mm
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Ventilation outlet - ZTV
The benefit of our kit is that it allows mechanical ventilation (of your choice and purchased separately from your dealer) to be added to the Sun Tunnels without the additional roof penetration!
The ZTV can be installed with models TWR and TWF Sun tunnels only.
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