{"product_id":"worcester-greenstar-4000-30kw-combi","title":"Worcester Greenstar 4000 30kW Combi","description":"\u003ch3\u003eWorcester Greenstar 4000 30kW Combi Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 30kW Combi Boiler is a high-efficiency, compact heating solution designed for small to medium-sized homes with one bathroom. As the direct upgrade to the Greenstar 30i, this model features a modern design, intuitive full-colour text display, and exceptionally quiet operation, making it a perfect choice for contemporary households.\n\nDelivering instant hot water and reliable central heating, the Greenstar 4000 combines efficiency, convenience, and smart technology in one compact unit.\n\n\u003ch3\u003eEfficient Heating and Water Performance\u003c\/h3\u003e\n\nThe Greenstar 4000 30kW Combi is ErP A-rated for both heating and hot water, ensuring maximum energy efficiency. Its wide power range optimises gas usage and helps lower energy bills. The innovative 'Quick Tap' water-saving function reduces water waste, while the boiler performs exceptionally well in low water pressure areas, guaranteeing strong and comfortable showers.\n\n\u003ch3\u003eQuiet and User-Friendly\u003c\/h3\u003e\n\nOperating at one of the quietest levels in its class, the Greenstar 4000 is designed to blend seamlessly into your home environment. The full-colour text display makes operation simple and intuitive, while wireless connectivity with Bosch EasyControl provides the ability to manage your heating and hot water remotely for added convenience.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nHeat output: 30kW – suitable for small to medium homes with 1 bathroom\n\nFlow rate: 12.3 L\/min – ensures consistent hot water\n\nErP A-rated efficiency – reduces gas consumption and lowers energy bills\n\nQuick Tap water-saving function – helps save water\n\nFull-colour display – easy to use and monitor\n\nQuiet operation – comfortable for living areas\n\nWireless connectivity – compatible with Bosch EasyControl for smart home integration\n\nCompact wall-mounted design – ideal for kitchens, utility rooms, or cupboards\n\n7-year warranty – provides peace of mind\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nBrand: Worcester Bosch\n\nModel: Greenstar 4000 30kW Combi\n\nBoiler Type: Combi Boiler\n\nFuel Type: Natural Gas\n\nHeat Output: 30kW\n\nFlow Rate: 12.3 L\/min\n\nMounting: Wall-mounted\n\nDimensions (HxWxD): 724 x 400 x 310mm\n\nWeight: 32.3kg\n\nColour: White\n\nErP Rating: A\n\nEAN: 4057749856623\n\nMPN: 7733600373\n\nProduct Code: PN183933\n\nWarranty: 7 years\n\n\u003ch3\u003eWhy Choose the Worcester Greenstar 4000 30kW?\u003c\/h3\u003e\n\nThe Greenstar 4000 30kW Combi Boiler offers a perfect balance of performance, efficiency, and quiet operation. Its compact design and smart technology make it ideal for modern homes where space and convenience matter. With instant hot water, smart control options, and energy-saving features, it provides both comfort and peace of mind backed by Worcester Bosch’s 7-year warranty.\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003eIs this boiler suitable for my home?\u003c\/h4\u003e Yes – the Greenstar 4000 30kW Combi is ideal for **small to medium homes with one bathroom**, providing reliable heating and hot water. \u003ch4\u003eCan I control this boiler remotely?\u003c\/h4\u003e Yes. It is compatible with **Bosch EasyControl**, allowing remote operation of heating and hot water via smartphone or tablet. \u003ch4\u003eHow efficient is the Greenstar 4000 30kW Combi?\u003c\/h4\u003e This boiler is **ErP A-rated** with a wide modulation range, ensuring maximum energy efficiency and helping to reduce gas consumption.\u003cbr\u003e\u003cp\u003eCheck out our full range of \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/plumbing-supplies\"\u003eplumbing supplies\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eBrowse more \u003ca href=\"https:\/\/jjbuildingmaterials.co.uk\/collections\/boilers\"\u003eboilers\u003c\/a\u003e available online.\u003c\/p\u003e","brand":"Worcester","offers":[{"title":"Default Title","offer_id":51771449999702,"sku":"143454","price":1339.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-30kw-combi-6989675.jpg?v=1772639416","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/worcester-greenstar-4000-30kw-combi","provider":"JJ Building Materials","version":"1.0","type":"link"}