{"product_id":"worcester-greenstar-4000-25kw-lpg-combi","title":"Worcester Greenstar 4000 25kW LPG Combi","description":"\u003ch3\u003eWorcester Greenstar 4000 25kW LPG Combi Boiler\u003c\/h3\u003e\n\nThe Worcester Greenstar 4000 25kW LPG Combi Boiler is a compact and efficient heating solution, designed for apartments and small to medium-sized homes with one bathroom. As part of Worcester Bosch’s latest generation of boilers, it delivers exceptional performance, improved efficiency, and modern control compatibility — all in a sleek, space-saving design.\n\nPowered by LPG (liquefied petroleum gas), the Greenstar 4000 25kW is perfect for properties off the mains gas network. Its A-rated ErP efficiency for both heating and hot water ensures reduced energy bills and a lower carbon footprint, while maintaining the trusted reliability Worcester Bosch is known for.\n\n\u003ch3\u003eCompact, Quiet, and Environmentally Friendly\u003c\/h3\u003e\n\nThe Greenstar 4000 LPG Combi boasts compact dimensions (724mm x 400mm x 310mm), allowing for flexible installation — even within kitchen cupboards or smaller utility spaces. Its low NOx and CO? emissions make it an environmentally responsible choice, while the ‘Quick Tap’ water-saving function helps reduce water waste by ensuring hot water delivery is more efficient.\n\nDesigned with convenience in mind, this model offers aligned vertical pipework connections for quicker installation and removable side panels for easy access during servicing and repairs.\n\n\u003ch3\u003eAdvanced Features \u0026amp; User-Friendly Design\u003c\/h3\u003e\n\nThis LPG model is compatible with a range of optional Worcester Bosch heating controls, giving you greater flexibility over your comfort and energy use. It also works seamlessly with Worcester’s 60\/100 flue system, making it easier to tailor the installation to your property layout.\n\nThe Worcester Greenstar 4000 range represents a new generation of combi boilers, combining performance, practicality, and eco-conscious engineering to deliver dependable heating and hot water for modern homes.\n\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\nA-rated efficiency for heating and hot water\n\nIdeal for small to medium-sized homes with one bathroom\n\nCompact design – fits easily into kitchen cupboards or tight spaces\n\nEnvironmentally friendly – low NOx and CO? emissions\n\n‘Quick Tap’ function – reduces water waste when drawing hot water\n\nQuick to install – aligned vertical pipework connections\n\nEasy maintenance – removable side panels for simple servicing\n\nCompatible with Worcester 60\/100 flue system\n\nWorks with Worcester and third-party heating controls\n\n7-year manufacturer’s warranty (subject to T\u0026amp;Cs)\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\nManufacturer: Worcester Bosch\n\nModel: Greenstar 4000 25kW LPG Combi\n\nMPN: 7733600372\n\nSKU: 79137\n\nGTIN: 4057749856616\n\nBoiler Type: LPG Combi Boiler\n\nCH Output: 24 kW \/ 81,000 BTU\n\nDHW Output: 25 kW\n\nFlow Rate: 10.2L\/min @ 35°C rise\n\nErP Rating (Heating): A\n\nErP Rating (Hot Water): A\n\nHeight: 724 mm\n\nWidth: 400 mm\n\nDepth: 310 mm\n\nWeight (Gross): 34.6 kg\n\nWarranty: 7 Years (subject to manufacturer’s terms)\n\n\u003ch3\u003eFAQs\u003c\/h3\u003e \u003ch4\u003e1. What type of home is the Worcester Greenstar 4000 25kW LPG Combi best suited for?\u003c\/h4\u003e This boiler is ideal for **apartments or small to medium-sized homes** with **one bathroom**. It provides both heating and hot water efficiently, making it perfect for households looking to save space and energy. \u003ch4\u003e2. Can this boiler be installed in small spaces?\u003c\/h4\u003e Yes, the Greenstar 4000 LPG model has **compact dimensions** (724mm x 400mm x 310mm), allowing it to fit neatly into a **standard kitchen cupboard** or similar confined area, offering flexible installation options. \u003ch4\u003e3. What makes this model environmentally friendly?\u003c\/h4\u003e The Greenstar 4000 25kW LPG Combi features **low NOx and CO? emissions**, an **A-rated efficiency**, and a **‘Quick Tap’ water-saving function**, all of which contribute to reduced energy usage and a smaller carbon footprint.\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":51771448951126,"sku":"143453","price":1287.55,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/4509\/4998\/files\/worcester-greenstar-4000-25kw-lpg-combi-5406287.jpg?v=1772639470","url":"https:\/\/jjbuildingmaterials.co.uk\/products\/worcester-greenstar-4000-25kw-lpg-combi","provider":"JJ Building Materials","version":"1.0","type":"link"}