Concealed WC frame GROHE RAPID SLX 3-IN-1 39598000 for wall-hung toilets, installation frame with flush valve

Concealed WC frame GROHE RAPID SLX 3-IN-1 39598000 for wall-hung toilets is an in-wall installation frame that combines structural support and flushing technology for wall-mounted ceramic bowls. Designed for applications where the cistern and plumbing are hidden behind a finished wall, this installation frame supports the toilet pan, houses the flush valve and connections, and enables a compact, space-saving sanitary installation suitable for both new construction and renovation projects.

Advantages

The GROHE RAPID SLX 3-IN-1 frame offers integrated mounting and flushing components in a single unit to simplify installation and reduce the need for separate cistern enclosures. Constructed for stability, the frame provides reliable support for wall-hung toilets and aligns with common installation heights and plumbing connections. Concealment of the cistern and plumbing improves bathroom aesthetics and facilitates easier cleaning of the floor area beneath the toilet.

Suitable for

• Residential bathrooms where a wall-hung toilet with concealed cistern is desired
• Commercial washrooms that require space-saving, easy-to-clean installations
• Renovation projects where existing layouts are adapted to a concealed installation
• New builds that need standardized in-wall installations for wall-mounted ceramics

Key specifications

• Type: In-wall installation frame for wall-hung toilets
• Compatibility: Designed for standard wall-mounted ceramic bowls and compatible flush actuators
• Flushing: Integrated flush valve and water supply connections for concealed installation
• Structure: Rigid metal frame providing load-bearing support for wall-hung toilets
• Installation orientation: Suitable for mounting inside stud walls or solid walls with finishing layer

How to use

Install the GROHE RAPID SLX frame within the wall cavity, securing it to the floor and wall structure at the recommended heights and dimensions. Connect the water supply to the integrated flush valve and fit the waste outlet to the building drainage. After verifying alignment and secure mounting, apply the finishing wall surface and install the flush actuator plate and wall-hung ceramic bowl according to manufacturer instructions. Test the flushing function and check for leaks before closing the installation.

Usage recommendations

Use certified flush actuator plates compatible with the GROHE frame and follow local plumbing codes. Ensure the frame is mounted on a suitable substructure and that load-bearing fastenings are used for safe long-term support of the wall-hung toilet.