Extend your wall entry pet door for thicker wall installations
Whether you're installing a pet door for the first time or upgrading an existing setup, this wall extension tunnel delivers proper alignment and a secure, well‑supported passage through thicker walls. Designed to accommodate thicker walls, this tunnel adapter creates a secure, seamless fit between your PetSafe® Aluminum Pet Door and interior or exterior wall surfaces.
Features
- Enables proper door installation in walls exceeding standard depth
- Supports wall thicknesses from 7¼ inches up to 12 inches depending on tunnel size
- Can be trimmed to match shorter wall depths when needed
Improved passage comfort
By extending the depth of the wall opening, the tunnel prevents narrow or incomplete entryways, allowing pets to move through thicker walls smoothly and confidently.
Adaptable wall fit
The tunnel accommodates a wide range of wall thicknesses and can be shortened for more precise installations, helping ensure the finished opening sits flush on both sides.
Straightforward installation
With a cut-to-fit design and direct door integration, the extension supports efficient setup without unnecessary structural changes.
Complete your wall installation the right way with a wall entry dog door extension tunnel that delivers dependable fit, function and everyday reliability.
What's included
- 1 Wall Extension Tunnel
Compatibility
Compatible with the Wall Entry Aluminum Pet Door new model (PPA11-10915, PPA11-10916, PPA11-10917)
Specifications
The tunnel overlaps the pet door frame by 1 inch and fits walls 8¼ - 12 inches thick for the medium and large tunnel or 8¼ - 10¾ inches for the small tunnel. You can also cut the tunnel shorter if you need to install it in walls 7¼ - 8¼ thick.