Description
German engineering at its most considered. The Grohe Rapid SLX 3-in-1 Wall Hung WC Frame goes far beyond a standard concealed cistern — it’s a complete installation system designed for speed, flexibility, and long-term performance. TÜV-certified to support 400kg, pre-wired for shower toilet connectivity, and equipped with Grohe’s whisper-quiet flush technology, this is the frame that professional installers and discerning homeowners reach for first.
Key Features
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TÜV approved 400kg load capacity — independently certified structural strength
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3-in-1 system — frame, cistern, and installation system in one
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1.13m installation height — suits most standard domestic and commercial applications
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EcoJoy dual flush 3L/6L — water-saving technology built in as standard
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Whisper technology — ultra-quiet flush for a premium bathroom experience
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QuickFix installation — faster, easier fitting for professional installers
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EasyConnect — simplified plumbing connections reduce installation time
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Plug & Play shower toilet readiness — pre-wired for Grohe shower toilet integration
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Direct Access Door — front-access servicing without disturbing tiles
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Flow Manager — compatible with rimless WC pans for optimal flush performance
Technical Specification
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Installation height: 1130mm (1.13m)
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Load capacity: 400kg (TÜV certified)
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Flush volume: 3L / 6L dual flush (EcoJoy)
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Flush technology: Whisper (ultra-quiet)
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Access: Direct Access Door (front access)
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Shower toilet ready: Yes — Plug & Play pre-wired
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Rimless WC compatible: Yes — Flow Manager included
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Weight: 15.8kg
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Certification: TÜV approved
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SKU: 39603000
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EAN: 4005176527562
What’s Included
- 1 × Grohe Rapid SLX frame
- 1 × Concealed cistern with EcoJoy dual flush
- EasyConnect plumbing fittings
- Flow Manager (rimless WC compatibility)
- All fixing hardware
What’s Not Included
- Flush plate (sold separately)
- WC pan (sold separately)
- Soil pipe and waste fittings
Installation
The Grohe Rapid SLX is designed for fast, professional installation. QuickFix and EasyConnect features significantly reduce fitting time compared to conventional frames. The Direct Access Door allows future cistern servicing without disturbing surrounding tiles. Plug & Play wiring is pre-installed for Grohe shower toilet connectivity. Professional installation by a qualified plumber is recommended.
Care & Maintenance
The concealed cistern requires no routine maintenance. If servicing is required, access is via the flush plate aperture or Direct Access Door. Use only Grohe-approved replacement parts to maintain the guarantee and performance standards.
Frequently Asked Questions
What does “3-in-1” mean?
The Grohe Rapid SLX combines the frame, concealed cistern, and complete installation system (including EasyConnect plumbing fittings and Flow Manager) into a single, integrated package — reducing the number of components to source and simplifying the installation process.
What is Whisper technology?
Grohe Whisper technology is an ultra-quiet flush mechanism that significantly reduces flush noise compared to standard cisterns — ideal for en-suites, bedrooms adjacent to bathrooms, or any space where noise is a consideration.
What is Plug & Play shower toilet readiness?
The Rapid SLX is pre-wired to accept a Grohe shower toilet (bidet WC) without additional electrical work to the frame. This future-proofs your installation if you plan to upgrade to a shower toilet at a later date.
Is a flush plate included?
No — the flush plate is sold separately. The Rapid SLX is compatible with the full range of Grohe flush plates.
Is this compatible with rimless WC pans?
Yes — the included Flow Manager optimises flush performance specifically for rimless WC pans, ensuring effective bowl coverage without a traditional rim.
What is the load capacity?
The Grohe Rapid SLX is TÜV certified to support 400kg — independently tested and verified structural strength for complete peace of mind.
Can the cistern be serviced without removing tiles?
Yes — the Direct Access Door provides front-access servicing of the cistern internals without disturbing surrounding tiles or wall finishes.
