{"product_id":"crystal-3wh440610-crystal-upvc-window-white-a-rated-top-op-ds250767-000166","title":"Crystal uPVC Window | Top Opener | White | 440mm X 610mm | Clear Glazing","description":"\u003c!-- Crystal UPVC Window | Top Opener | White | 440mm X 610mm | Clear Glazing --\u003e\n\n\u003cp\u003e\u003cstrong\u003eCrystal UPVC Window | Top Opener | White | 440mm X 610mm | Clear Glazing\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your home with the Crystal UPVC Window, a premium A Rated top opener designed for British homes seeking energy efficiency, security, and style. Crafted by CRYSTAL, this white uPVC window is the perfect solution for anyone looking to enhance their property with a modern, low-maintenance, and highly efficient window. Measuring 440mm x 610mm, it fits seamlessly into a variety of spaces, making it ideal for both new builds and renovations across the UK.\u003c\/p\u003e\n\n\u003cp\u003eThis double glazed window features a high-performance 28mm Low E glazing unit, filled with argon gas and a Warm Edge spacer bar, ensuring excellent insulation and a U Value of just 1.4 W\/m2K. This means you can enjoy a warmer home in winter and lower energy bills all year round. The clear glazing allows natural light to flood your room, creating a bright and welcoming atmosphere while maintaining outstanding thermal performance.\u003c\/p\u003e\n\n\u003cp\u003eSecurity and ventilation are at the heart of this design. The espag locking system includes a night vent position, giving you peace of mind with two secure locking points for the sash. Trickle ventilation is built in, allowing fresh air to circulate and helping to prevent condensation, all while keeping your home secure. The window comes complete with a white handle and a matching PVC cill, with the cill included in the overall product height for a neat, integrated finish.\u003c\/p\u003e\n\n\u003cp\u003eInstallation is straightforward, with all product handings viewed from the outside for easy reference. The included glazing packers make fitting the unit simple and hassle-free, whether you are a DIY enthusiast or a professional installer. Designed to meet the needs of British homeowners, this window combines durability, energy efficiency, and a clean, modern look that complements any property.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Features:\u003c\/strong\u003e\n\u003cul\u003e\n  \u003cli\u003eA Rated energy efficiency for lower heating costs\u003c\/li\u003e\n  \u003cli\u003eDouble glazed 28mm Low E unit with argon gas and Warm Edge spacer bar\u003c\/li\u003e\n  \u003cli\u003eEspag locking system with night vent for added security\u003c\/li\u003e\n  \u003cli\u003eTrickle ventilation for controlled airflow and reduced condensation\u003c\/li\u003e\n  \u003cli\u003eWhite handle and PVC cill included (cill included in overall height)\u003c\/li\u003e\n  \u003cli\u003eEasy installation with included glazing packers\u003c\/li\u003e\n  \u003cli\u003e440mm x 610mm size, ideal for a range of applications\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\u003eMaterial: uPVC\u003c\/li\u003e\n  \u003cli\u003eColour: White\u003c\/li\u003e\n  \u003cli\u003eGlazing: Double glazed, clear\u003c\/li\u003e\n  \u003cli\u003eU Value: 1.4 W\/m2K\u003c\/li\u003e\n  \u003cli\u003eSize: 440mm (width) x 610mm (height, including cill)\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 uPVC window unit\u003c\/li\u003e\n  \u003cli\u003eWhite handle\u003c\/li\u003e\n  \u003cli\u003ePVC cill\u003c\/li\u003e\n  \u003cli\u003eGlazing packers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eChoose the Crystal UPVC Window for a secure, energy-efficient, and stylish upgrade to your home, perfectly suited to the British climate and lifestyle.\u003c\/p\u003e","brand":"Crystal","offers":[{"title":"Default Title","offer_id":55576537432440,"sku":"DS250767-000166","price":133.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/5362\/7541\/files\/3WH440610-01.jpg?v=1781186055","url":"https:\/\/www.harveynorman.co.uk\/products\/crystal-3wh440610-crystal-upvc-window-white-a-rated-top-op-ds250767-000166","provider":"Harvey Norman","version":"1.0","type":"link"}