{"product_id":"grohe-rapido-smartbox-universal-3-outlet-1-2-rough-in-box","title":"Grohe Rapido SmartBox Universal Rough-In Box – 3 Outlet | 1\/2\" | 35604000","description":"\u003ch2\u003eGrohe Rapido SmartBox Universal Rough-In Box – 3 Outlet | 1\/2″ | 35604000\u003c\/h2\u003e\n\u003cp\u003eThe Grohe Rapido SmartBox Universal is a professional-grade concealed shower valve rough-in box designed for flexible, multi-outlet shower installations. With 3 outlets and 2 inlets, an adjustable installation depth of 75–105mm, and fixing options for both solid walls and dry cladding, it provides a stable, watertight foundation for concealed thermostatic or manual shower valve installations. Supplied with a pre-mounted flushing plug and protective cover for the build-in phase.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#fff8e1;border-left:4px solid #f9a825;padding:12px 16px;margin-bottom:20px;\"\u003e\n⚠️ \u003cstrong\u003eRough-in box only — trim kit and valve sold separately.\u003c\/strong\u003e This is the concealed installation box for the build-in phase. The finish set (trim kit) required for final installation is not included.\n\u003c\/div\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e3 outlets, 2 inlets — flexible multi-outlet shower configuration\u003c\/li\u003e\n\u003cli\u003eUniversal compatibility — suits a wide range of Grohe Rapido concealed valves\u003c\/li\u003e\n\u003cli\u003eAdjustable installation depth — 75–105mm to suit varying wall constructions\u003c\/li\u003e\n\u003cli\u003eDR brass construction — durable, corrosion-resistant\u003c\/li\u003e\n\u003cli\u003ePre-mounted flushing plug — allows system flushing before final installation\u003c\/li\u003e\n\u003cli\u003eStable build-in box with protective cover — protects during tiling and construction\u003c\/li\u003e\n\u003cli\u003eFixing options for solid walls and dry cladding\u003c\/li\u003e\n\u003cli\u003eProfessional edition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Grohe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Rapido SmartBox\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlets:\u003c\/strong\u003e 3 × 1\/2″\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlets:\u003c\/strong\u003e 2 × 1\/2″ (below)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Depth:\u003c\/strong\u003e 75–105mm (adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e DR brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall Types:\u003c\/strong\u003e Solid walls and dry cladding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Pre-mounted flushing plug, protective cover, fixing options\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish Set:\u003c\/strong\u003e Not included — required for final installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEdition:\u003c\/strong\u003e Professional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 35604000\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is a rough-in box?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eA rough-in box (also called a build-in box or installation box) is the concealed part of a shower valve system that is installed within the wall during the build phase — before tiling. It houses the valve body and provides the water connections. The trim kit (handles, plate, outlets) is fitted afterwards as the finish set.\u003c\/dd\u003e\n\n\u003cdt\u003e\u003cstrong\u003eIs the trim kit included?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo — this is the rough-in box only. A compatible Grohe Rapido finish set is required for final installation and is sold separately.\u003c\/dd\u003e\n\n\u003cdt\u003e\u003cstrong\u003eWhat wall types is this compatible with?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis rough-in box can be installed in solid walls (brick, block, concrete) and dry cladding (plasterboard\/stud walls). Appropriate fixings for both wall types are included.\u003c\/dd\u003e\n\n\u003cdt\u003e\u003cstrong\u003eWhat does the flushing plug do?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe pre-mounted flushing plug allows the pipework to be flushed through before the final trim kit is fitted, removing debris from the system without risking damage to the valve components.\u003c\/dd\u003e\n\n\u003cdt\u003e\u003cstrong\u003eCan I order if the item shows as out of stock?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes — we can still accept your order even if the item shows as out of stock. We will fulfil it as soon as stock becomes available. If you have any questions about lead times, please contact us at \u003ca href=\"mailto:customerservice@bubblegumbathrooms.co.uk\"\u003ecustomerservice@bubblegumbathrooms.co.uk\u003c\/a\u003e.\u003c\/dd\u003e\n\n\u003cdt\u003e\u003cstrong\u003eDo you need help choosing?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eOur team is happy to help. Get in touch at \u003ca href=\"mailto:customerservice@bubblegumbathrooms.co.uk\"\u003ecustomerservice@bubblegumbathrooms.co.uk\u003c\/a\u003e and we’ll advise on the best option for your installation.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"Grohe","offers":[{"title":"Default Title","offer_id":53778662195537,"sku":"35604000","price":79.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/30666_1_640x640_0bb3f190-ef0c-41fa-b34f-25300a62d43d.jpg?v=1778770423","url":"https:\/\/bubblegumbathrooms.com\/products\/grohe-rapido-smartbox-universal-3-outlet-1-2-rough-in-box","provider":"Bubblegum Bathrooms","version":"1.0","type":"link"}