
Grohe Rapid SL 3 in 1 Set 1.13m Support Frame for Wall Hung WC
Feature | Description |
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Dual Flush (6 L / 9 L) |
Offers water-saving flexibility—choose a smaller flush (6 L) for liquid waste or full flush (9 L) for solids. Helps reduce water consumption and utility costs. |
WRAS-approved Filling Valve | Ensures compliance with UK water safety standards. |
Noise Reduction (Whisper / Quiet-Fill) | Engineered for quieter operation during filling and flushing—great for peaceful bathroom environments. |
Powder-Coated, Self-Supporting Steel Frame | Durable build that supports up to 400 kg, suitable for both solid and stud wall installations. |
Installation Flexibility | Compatible with on-wall or studded walls; water supply can enter from left, right, or rear; includes depth-adjustable 90 mm outlet bend. |
Condensation Protection | Insulated cistern prevents moisture build-up, protecting surrounding structures. |
High Quality & Warranty | TÜV-certified for safety and performance; includes a 5-year manufacturer’s guarantee (some sources mention up to 10 years under specific warranties). |
Summary
The Grohe 3877220A Rapid SL 3-in-1 Set is a premium, concealed WC installation system tailored for modern bathrooms. It combines:
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A strong, corrosion-resistant steel frame capable of supporting substantial weight, ensuring installation longevity and safety.
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A flexible, water-efficient GD 2 dual-flush cistern with a quiet filling mechanism and condensation insulation for added reliability.
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A sleek chrome flush plate offering elegant front actuation while concealing plumbing elements for a clean, minimalist look.
Ideal for both new builds and renovations, this all-in-one set streamlines installation, meets UK water regulations, and elevates both form and function in your bathroom.