Oventrop - RTL Box Extension (Adapter)
Print Profile(1)

Description
This 3D-printable extension / adapter is intended for the Oventrop RTL Box (return temperature limiter) of underfloor heating systems.
It extends the opening or the seating area, for example, if the RTL box is seated too deep in the wall or a cover is not easily accessible.
Fitment Note:
The extension is intentionally rather loose to fit as many variants as possible.
If you want it tighter, you can easily make minimal adjustments in the slicer:
- Slightly reduce XY scaling (e.g., 99% – 98%) for a tighter fit
Ideal for quick repair/adjustment without breaking open a wall.
Recommended Print: PLA/PETG, 0.2 mm Layer, 3 perimeter, 15–40% Infill.
License
You may create derivative works based on this object, provided that all such derivative works are published exclusively on the MakerWorld platform and include proper attribution to the original creator. You may not share, upload, host, distribute, or publish this object—or any derivative work of this object—on any other digital platform, marketplace, or distribution channel. Commercial use of this object and any derivative works is strictly prohibited. This includes, but is not limited to, selling, renting, sublicensing, or using the object in any context in which you receive monetary compensation or other financial benefits.












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