VELUX ZTL 122 Sun Tunnel, 22" Tubular Skylight w/Rigid Tunnel & Pitched Flashing



About the Velux ZTL 122 Sun Tunnel, 22" Tubular Skylight w/Rigid Tunnel & Pitched Flashing

The Velux ZTL 122 Light Kit is designed to let your sun tunnel tubular skylight be a source of light at night and also during the day.


  • The ZTL 122 works with TGF 021
  • Installs in minutes inside the tunnel just above the diffuser
  • Uses fluorescent lamp (not included
  • 22 Watt or 43 watt is recommended


  • Assembled Depth: 2.75 in.
  • Assembled Height: 24.75 in.
  • Assembled Width: 3.5 in
  • Color: White
  • Product Depth: 2.75 in.
  • Product Height: 24.75 in.
  • Product Weight (lb.) 2.1
  • Product Width: 3.5 in.


VELUX provides a wide-range of warranties for their line of sun tunnels. Depending on the product purchased, the following warranties may apply:

  • 20 Year VELUX Sun Tunnel Skylight Rigid Tunnel Limited Warranty
  • 10 Year VELUX Skylights and Sun Tunnel Skylights Limited Warranty
  • 5 Year VELUX Polycarbonate Clarity Limited Warranty
  • 5 Year VELUX Acrylic and Polycarbonate Skylights Limited Warranty (for Metro-lite and Dura-lite)

These warranties only apply if the product is finished, installed, operated and maintained strictly in accordance with VELUX instructions or other instructions furnished with the Covered Product. Improve Depot recommends a professional installation by a CERTIFIED INSTALLER to ensure that the product is protected by these warranties.

Normal wear and tear is not covered by VELUX's warranties, nor are problems arising from failure to properly maintain the product. Other restrictions apply, so be sure to read the included warranty information packaged with the product.

  • Approximate Processing Time (Business Days): 6
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