The rectangular backplate extension kit is designed to solve installation issues caused by uneven plaster or deep wall recesses. When the backplate is recessed compared to the wall surface, the kit allows you to extend the support area of the vacuum inlet, ensuring a stable and secure installation.
How to use the extension tools
| 1. The backplate is recessed inside the wall and the surface is uneven. |
2. Use the extension frames (as many as required) to rebuild a flat and stable mounting surface for the vacuum inlet. |
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| 3. Trim the excess frame if necessary. |
4. Insert the extension sleeve following the instructions shown below. |
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Technical features
- Adjustable depth: Allows depth correction in 1 cm increments, with no measurement limits.
- Ideal for irregular walls: Perfect when uneven plaster or deep wall chases prevent proper inlet positioning.
- Compatibility: Suitable for rectangular backplates used in central vacuum systems.
- Easy installation: Restores the correct support point for the vacuum inlet quickly and effectively.
With the rectangular backplate extension kit, the central vacuum system can be installed professionally even in problematic wall conditions, ensuring full performance and reliability.
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