{"product_id":"crystal-3whtg6101040-crystal-triple-glazed-window-white-to-ds250767-000338","title":"Crystal Triple Glazed Window | Top Hung Opener | White | 610 X 1040mm Clear","description":"\u003c!-- Crystal Triple Glazed Window | Top Hung Opener | White | 610 X 1040mm Clear --\u003e\n\n\u003cp\u003e\u003cstrong\u003eCrystal Triple Glazed Window | Top Hung Opener | White | 610 X 1040mm Clear\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your home with the Crystal Triple Glazed Window, a premium top hung opener designed for British homes seeking superior energy efficiency and modern style. Crafted by CRYSTAL, this white uPVC window measures 610 x 1040mm and features a clear, triple glazed unit that delivers outstanding thermal performance. With an A+ energy rating and a U Value of just 1.0 W\/m2K, this window is engineered to keep your home warm, comfortable, and cost-effective all year round.\u003c\/p\u003e\n\n\u003cp\u003ePerfect for new builds or renovations, the Crystal Triple Glazed Window combines robust security with everyday convenience. The advanced espag locking system includes a night vent position, offering two secure locking points for peace of mind and flexible ventilation. Trickle ventilation is built in, allowing fresh air to circulate while maintaining a comfortable indoor environment—ideal for the British climate where controlled airflow is essential.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward, with a white handle, PVC cill, and glazing packers included for a complete fit. The cill is factored into the overall product height, ensuring a seamless finish. The window's low E 36mm glazing unit is filled with argon gas and features a Warm Edge spacer bar, maximising insulation and reducing heat loss. All product handings are viewed from the outside, making it easy to confirm the correct orientation for your project.\u003c\/p\u003e\n\n\u003cp\u003eWhether you are upgrading a single room or fitting out an entire property, the Crystal Triple Glazed Window offers a blend of durability, security, and energy savings that British homeowners value. Its clean white finish and clear glass design suit both traditional and contemporary homes, enhancing kerb appeal while delivering practical benefits.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Features:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eTriple glazed, A+ rated for maximum energy efficiency\u003c\/li\u003e\n  \u003cli\u003eOverall U Value: 1.0 W\/m2K for superior insulation\u003c\/li\u003e\n  \u003cli\u003eLow E 36mm glazing unit with argon gas and Warm Edge spacer bar\u003c\/li\u003e\n  \u003cli\u003eTop hung opener with espag locking and night vent position\u003c\/li\u003e\n  \u003cli\u003eIntegrated trickle ventilation for controlled airflow\u003c\/li\u003e\n  \u003cli\u003eWhite uPVC frame, handle, and cill included\u003c\/li\u003e\n  \u003cli\u003eEasy installation with glazing packers provided\u003c\/li\u003e\n  \u003cli\u003eDimensions: 610 x 1040mm (including cill)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eBrand: CRYSTAL\u003c\/li\u003e\n  \u003cli\u003eProduct Type: Triple Glazed Window\u003c\/li\u003e\n  \u003cli\u003eMaterial: uPVC\u003c\/li\u003e\n  \u003cli\u003eColour: White\u003c\/li\u003e\n  \u003cli\u003eGlazing: Clear, triple glazed\u003c\/li\u003e\n  \u003cli\u003eSize: 610 x 1040mm (including cill)\u003c\/li\u003e\n  \u003cli\u003eEnergy Rating: A+\u003c\/li\u003e\n  \u003cli\u003eU Value: 1.0 W\/m2K\u003c\/li\u003e\n  \u003cli\u003eLocking: Espag with night vent\u003c\/li\u003e\n  \u003cli\u003eVentilation: Trickle vent\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eIncluded Items:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eCrystal Triple Glazed Window (610 x 1040mm)\u003c\/li\u003e\n  \u003cli\u003eWhite handle\u003c\/li\u003e\n  \u003cli\u003ePVC cill (included in overall height)\u003c\/li\u003e\n  \u003cli\u003eGlazing packers\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Crystal","offers":[{"title":"Default Title","offer_id":55576543789432,"sku":"DS250767-000338","price":218.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/5362\/7541\/files\/3WHTG6101040-01.jpg?v=1781186076","url":"https:\/\/www.harveynorman.co.uk\/products\/crystal-3whtg6101040-crystal-triple-glazed-window-white-to-ds250767-000338","provider":"Harvey Norman","version":"1.0","type":"link"}