{"title":"Type 21 Radiators (Double Panel\/Single Convector)","description":"\u003cp\u003eWant more warmth than a slim single-panel radiator, without it projecting too far from the wall? Our \u003cstrong\u003eType 21 radiators\u003c\/strong\u003e (double panel, single convector — often labelled \u003cstrong\u003eP+\u003c\/strong\u003e) are the versatile all-rounder of the convector range, striking the ideal balance between strong heat output and a neat, space-conscious depth.\u003c\/p\u003e\n\n\u003ch2\u003eWhat is a Type 21 radiator?\u003c\/h2\u003e\n\u003cp\u003eA Type 21 radiator has \u003cstrong\u003etwo panels with a single layer of convector fins sandwiched between them\u003c\/strong\u003e. That second panel delivers noticeably more heat than a single-panel Type 11, while keeping the radiator slimmer than a twin-convector Type 22. The result is excellent, responsive warmth from a relatively compact footprint.\u003c\/p\u003e\n\n\u003ch2\u003eWhere Type 21 radiators work best\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard and family bathrooms\u003c\/strong\u003e that need dependable, even heat\u003c\/li\u003e\n\u003cli\u003eBedrooms, living spaces and landings of \u003cstrong\u003eaverage size\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnywhere you want a \u003cstrong\u003estrong balance\u003c\/strong\u003e of performance and a slim profile — the safe default if you're unsure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eQuality you can trust\u003c\/h2\u003e\n\u003cp\u003eOur Type 21 collection features the trusted \u003cstrong\u003eKartell K-RAD\u003c\/strong\u003e range, engineered for robust, efficient heating with a contemporary finish that complements any bathroom. Choose from a broad selection of widths and heights to match your wall space and heat requirement.\u003c\/p\u003e\n\n\u003ch2\u003eComparing radiator types\u003c\/h2\u003e\n\u003cp\u003eNeed a slimmer option for a smaller space? See our \u003ca href=\"\/collections\/type-11-radiators-single-panel-single-convector\"\u003eType 11 radiators\u003c\/a\u003e (single panel, single convector). Heating a larger or harder-to-warm room? A \u003ca href=\"\/collections\/type-22-radiators\"\u003eType 22 radiator\u003c\/a\u003e (double panel, double convector) offers the highest output. As a quick guide: small room → Type 11, average room → Type 21, large room → Type 22.\u003c\/p\u003e\n\n\u003cp\u003eNew to radiator types? Read our full \u003ca href=\"\/blogs\/news\/type-11-21-22-radiators-guide\"\u003eType 11 vs Type 21 vs Type 22 radiator guide\u003c\/a\u003e for help choosing the right one for your space.\u003c\/p\u003e\n\n\u003cp\u003eBrowse our Type 21 radiators below to find the perfect balance of heat and style for your home.\u003c\/p\u003e","products":[{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-500x600mm-p506k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 500x600mm (P506K)","description":"\u003cp\u003eIntroducing the \u003cstrong\u003eKartell K-RAD Type 21 Double Panel\/Single Convector Radiator (500x600mm)\u003c\/strong\u003e—a compact yet powerful heating solution designed to deliver exceptional warmth and efficiency. Perfect for modern homes, this radiator combines top-tier performance with a sleek design.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Heat Output:\u003c\/strong\u003e Delivers an impressive 3232 BTU, ensuring your room stays cozy and warm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Finish:\u003c\/strong\u003e Finished in high-quality RAL9016 white enamel, offering a clean and modern aesthetic that complements any décor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Crafted from mild steel, this radiator is built to handle operating pressures up to 10 bar and temperatures as high as 120°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality Assurance:\u003c\/strong\u003e Manufactured in accordance with the BS EN ISO 9001 quality system and fully compliant with EN442 standards, ensuring reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Installation Kit:\u003c\/strong\u003e Comes with everything needed for straightforward installation, including brackets, bolts, vents, plugs, fixing points, and 1\/2\" tappings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Fitted Components:\u003c\/strong\u003e Features factory-fitted top grilles and side panels for a seamless and polished look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Orientation:\u003c\/strong\u003e Designed for horizontal wall mounting, making it adaptable to various room layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-Year Guarantee:\u003c\/strong\u003e Enjoy peace of mind with a 10-year guarantee, ensuring long-lasting durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Mild Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e White\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Gloss\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 500mm (Height) x 600mm (Width) x 70mm (Depth)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 13.9 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput (BTU):\u003c\/strong\u003e 3232 (Delta T 60)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTapping Centres:\u003c\/strong\u003e 600mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN:\u003c\/strong\u003e 5060168221841\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your heating system with the \u003cstrong\u003eKartell K-RAD Type 21 Double Panel\/Single Convector Radiator\u003c\/strong\u003e. Its compact size, high efficiency, and stylish design make it an excellent choice for any room in your home.\u003c\/p\u003e","brand":"Kartell","offers":[{"title":"Default Title","offer_id":50644944322889,"sku":"P506K","price":62.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/Screenshot2024-08-30093912_547830d1-a734-4e66-b94d-b3da5e18975d.png?v=1725008236"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-400mm-white-p404k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 400mm White (P404K)","description":"\u003cp\u003eThe Kartell K-RAD Type 21 double panel single convector radiator in 400mm high by 400mm wide delivers high heat output from a compact, low-profile body — ideal where you need more warmth in less wall space. Its white powder-coat finish looks clean and modern, and the double panel construction provides significantly higher heat output than an equivalent Type 11.\u003c\/p\u003e\u003cp\u003eBuilt and pressure-tested by Kartell, it is engineered for long-term reliability. Order the radiator on its own, or add a matching pair of Kartell K-Therm angled thermostatic valves for a complete installation kit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 400mm (W)\u003c\/li\u003e\n\u003cli\u003eClean, modern white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487617372489,"sku":"P404K","price":39.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487618257225,"sku":"P404K-TPLSTRVSA","price":48.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_56bc8db4-9b9a-4c31-a45b-0720f8ffc0ca.jpg?v=1779905372"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-500mm-white-p405k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 500mm White (P405K)","description":"\u003cp\u003eThe Kartell K-RAD Type 21 double panel single convector radiator in 400mm high by 500mm wide delivers high heat output from a compact, neat profile. Its white powder-coat finish looks clean and modern, and the double panel construction provides significantly higher heat output than an equivalent Type 11 — useful where wall space is tight but warmth is needed.\u003c\/p\u003e\u003cp\u003eBuilt and pressure-tested by Kartell, it is engineered for long-term reliability. Order the radiator on its own, or add a matching pair of Kartell K-Therm angled thermostatic valves for a complete installation kit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 500mm (W)\u003c\/li\u003e\n\u003cli\u003eClean, modern white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487760830793,"sku":"P405K","price":45.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487761060169,"sku":"P405K-TPLSTRVSA","price":54.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_a0b4d45a-db10-44e4-b9a5-7fc6386f72c2.jpg?v=1779906831"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-600mm-white-p406k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 600mm White (P406K)","description":"\u003cp\u003eThe Kartell K-RAD Type 21 double panel single convector radiator in 400mm high by 600mm wide is a compact, balanced heater finished in a clean white powder coat. Its double panel construction provides significantly higher heat output than an equivalent Type 11, making it a strong choice where you need extra warmth without taking on a larger radiator.\u003c\/p\u003e\u003cp\u003eBuilt and pressure-tested by Kartell, it is engineered for long-term reliability. Order the radiator on its own, or add a matching pair of Kartell K-Therm angled thermostatic valves for a complete installation kit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 600mm (W)\u003c\/li\u003e\n\u003cli\u003eClean white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487765254473,"sku":"P406K","price":54.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487766729033,"sku":"P406K-TPLSTRVSA","price":63.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_8e4cc7cd-4b04-46b6-ba5a-ca2d2f01db9b.jpg?v=1779906882"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-700mm-white-p407k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 700mm White (P407K)","description":"\u003cp\u003eMeasuring 400mm high by 700mm wide, the Kartell K-RAD Type 21 double panel single convector radiator delivers strong heat output from a balanced, mid-width frame finished in a hard-wearing white powder coat. The double panel construction puts out significantly more warmth than an equivalent Type 11, useful for bedrooms, kitchens and bathrooms that need a bit more from a modest footprint.\u003c\/p\u003e\u003cp\u003eKartell manufactures every unit to a high standard and pressure-tests it for peace of mind. Take the radiator on its own, or add Kartell K-Therm angled thermostatic valves so it is ready to install the moment it arrives.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 700mm (W)\u003c\/li\u003e\n\u003cli\u003eHard-wearing white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487772234057,"sku":"P407K","price":63.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487773806921,"sku":"P407K-TPLSTRVSA","price":72.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_260dc476-a75d-428e-97a0-4f8015f3c230.jpg?v=1779906932"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-800mm-white-p408k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 800mm White (P408K)","description":"\u003cp\u003eThe Kartell K-RAD Type 21 double panel single convector radiator in 400mm high by 800mm wide is a well-balanced heater that pairs a low-set frame with strong heat output, finished in a smart white powder coat. Its double panel construction delivers significantly more warmth than an equivalent Type 11, making it a dependable all-rounder for living rooms, bedrooms and kitchens.\u003c\/p\u003e\u003cp\u003eManufactured by Kartell to a high standard and pressure-tested for reassurance, it is built to perform for years. Choose the radiator on its own, or add Kartell K-Therm angled thermostatic valves so it is ready to fit as soon as it lands.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 800mm (W)\u003c\/li\u003e\n\u003cli\u003eSmart white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487781671241,"sku":"P408K","price":72.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487789076809,"sku":"P408K-TPLSTRVSA","price":81.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_85ea61d1-57a1-43d8-a723-e20e7ec8afbb.jpg?v=1779907008"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-900mm-white-p409k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 900mm White (P409K)","description":"\u003cp\u003eThe Kartell K-RAD Type 21 double panel single convector radiator in 400mm high by 900mm wide is a wider mid-format heater that delivers strong, even heat from a low-set frame finished in a hard-wearing white powder coat. Its double panel construction provides significantly higher heat output than an equivalent Type 11, making it a solid choice for living rooms, bedrooms and kitchens where extra warmth is needed.\u003c\/p\u003e\u003cp\u003eManufactured by Kartell to a high standard and pressure-tested before dispatch, it is made for years of dependable service. Order the radiator on its own, or add a pair of Kartell K-Therm angled thermostatic valves so everything you need arrives in one delivery.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 900mm (W)\u003c\/li\u003e\n\u003cli\u003eHard-wearing white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487802839369,"sku":"P409K","price":82.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487804019017,"sku":"P409K-TPLSTRVSA","price":91.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_cfdd80cf-2d3c-443a-98bc-0af14d58b3b4.jpg?v=1779907137"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-1000mm-white-p410k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 1000mm White (P410K)","description":"\u003cp\u003eThe Kartell K-RAD Type 21 double panel single convector radiator in 400mm high by 1000mm wide is built for rooms that need broad heat coverage from a low-set frame. Finished in hard-wearing white powder coat, its double panel construction puts out significantly more warmth than an equivalent Type 11 — ideal under windows or along longer walls where higher output is needed.\u003c\/p\u003e\u003cp\u003eManufactured and pressure-tested by Kartell, it is made to give years of dependable service. Choose the radiator alone, or add a pair of Kartell K-Therm angled thermostatic valves for a complete, ready-to-fit package.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 1000mm (W)\u003c\/li\u003e\n\u003cli\u003eHard-wearing white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487818666313,"sku":"P410K","price":91.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487819125065,"sku":"P410K-TPLSTRVSA","price":100.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_1264ef69-0e62-4ac2-920c-21506d6ecdff.jpg?v=1779907276"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-1100mm-white-p411k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 1100mm White (P411K)","description":"\u003cp\u003eSpanning 1100mm wide at 400mm high, the Kartell K-RAD Type 21 double panel single convector radiator is designed for wider walls and under-window spaces that need higher heat output without a tall unit. The white powder-coat finish keeps it looking crisp, while the double panel construction delivers significantly more warmth than an equivalent Type 11.\u003c\/p\u003e\u003cp\u003eLike every Kartell radiator, it is manufactured to a high standard and pressure-tested before dispatch. Buy it on its own, or add Kartell K-Therm angled thermostatic valves so everything you need arrives together.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 1100mm (W)\u003c\/li\u003e\n\u003cli\u003eCrisp white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487821648201,"sku":"P411K","price":100.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487822401865,"sku":"P411K-TPLSTRVSA","price":109.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_03e03b95-0880-4886-9899-a76936743ab4.jpg?v=1779907323"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-1200mm-white-p412k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 1200mm White (P412K)","description":"\u003cp\u003eThe Kartell K-RAD Type 21 double panel single convector radiator in 400mm high by 1200mm wide is made for larger rooms and longer walls that need substantial, even heat from a low-set frame. The white powder-coat finish looks clean and modern, while the double panel construction delivers significantly higher heat output than an equivalent Type 11 — a strong fit under windows and along longer wall runs.\u003c\/p\u003e\u003cp\u003eBuilt and pressure-tested by Kartell, it is engineered for long-term reliability. Order the radiator on its own, or add a matching pair of Kartell K-Therm angled thermostatic valves for a complete installation kit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType 21 double panel, single convector\u003c\/li\u003e\n\u003cli\u003eDimensions: 400mm (H) x 1200mm (W)\u003c\/li\u003e\n\u003cli\u003eClean, modern white powder-coat finish\u003c\/li\u003e\n\u003cli\u003eOptional angled thermostatic radiator valves\u003c\/li\u003e\n\u003cli\u003eUK delivery and expert advice — call 0161 327 4725\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kartell","offers":[{"title":"Radiator Only","offer_id":54487826530633,"sku":"P412K","price":109.99,"currency_code":"GBP","in_stock":true},{"title":"With Angled Thermostatic 15mm Valves","offer_id":54487827546441,"sku":"P412K-TPLSTRVSA","price":118.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/9779\/7961\/files\/P404K_54cb6c31-3c5e-4bb4-93e8-54343b9183f3.jpg?v=1779907373"},{"product_id":"kartell-k-rad-type-21-double-panel-single-convector-radiator-400mm-x-1400mm-white-p414k","title":"Kartell K-RAD Type 21 Double Panel\/Single Convector Radiator 400mm x 1400mm White (P414K)","description":"\u003cp\u003eThe Kartell K-RAD Type 21 double panel single convector radiator in 400mm high by 1400mm wide is a wide-format heater designed for large rooms and long wall runs that demand plenty of warmth from a low profile. Its white powder-coat finish looks clean and modern, and the double panel construction delivers significantly higher heat output than an equivalent Type 11 — a strong choice under windows and along extended walls.\u003c\/p\u003e\u003cp\u003eBuilt and pressure-tested by Kartell, it is engineered for long-term reliability. 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