{"product_id":"grant-vortex-eco-utility-15-21-21kw-oil-system-boiler-vtxseco15-21","title":"Grant Vortex Eco Utility Oil Boiler 15-21kW | Floor Standing System Boiler | ErP A Rated","description":"\u003ch2\u003eGrant Vortex Eco Utility Oil Boiler – 15-21kW | Floor Standing | ErP A Rated\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGrant Vortex Eco Utility\u003c\/strong\u003e is a highly efficient, floor-standing condensing oil boiler developed as a direct response to customer demand for a competitively priced, high-performance heating solution. Combining Grant’s award-winning engineering with a simplified casing, streamlined control panel, and practical pipework arrangement, the Vortex Eco Utility delivers outstanding space heating efficiencies of \u003cstrong\u003e91.7% to 92.7%\u003c\/strong\u003e — all at an accessible price point for both new installations and replacements.\u003c\/p\u003e\u003cp\u003eIncorporating the latest \u003cstrong\u003eRiello RDB burner\u003c\/strong\u003e and Grant’s patented \u003cstrong\u003estainless steel heat exchanger\u003c\/strong\u003e, this boiler is built for reliability, efficiency, and ease of servicing. Its front-access design means engineers can service the burner and combustion chamber quickly and efficiently, reducing time on site and keeping maintenance costs low.\u003c\/p\u003e\u003ch3\u003eIdeal For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOil-fired central heating systems in domestic and light commercial properties\u003c\/li\u003e\n\u003cli\u003eSystem boiler installations with a separate hot water cylinder\u003c\/li\u003e\n\u003cli\u003eReplacement of existing floor-standing oil boilers\u003c\/li\u003e\n\u003cli\u003eProperties seeking an ErP A-rated, SEDBUK A-rated condensing boiler at a competitive price\u003c\/li\u003e\n\u003cli\u003eInstallations requiring flexible fluing options (top, rear, left, or right)\u003c\/li\u003e\n\u003cli\u003eBiofuel-compatible heating systems (subject to fuel type and blend percentage)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose the Grant Vortex Eco Utility?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eErP A Rated \u0026amp; SEDBUK A Rated\u003c\/strong\u003e – Among the most energy-efficient oil boilers available, delivering space heating efficiencies of 91.7% to 92.7% and helping to reduce fuel bills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAward-Winning Stainless Steel Heat Exchanger\u003c\/strong\u003e – Grant’s patented heat exchanger delivers superior heat transfer, long-term durability, and excellent condensing performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRiello RDB Burner\u003c\/strong\u003e – Industry-leading burner technology for reliable ignition, quiet operation, and low NOx emissions (NOx Class 2).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Operation\u003c\/strong\u003e – Noise level of just 51dB, making it suitable for utility rooms and spaces close to living areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Fluing\u003c\/strong\u003e – Can be flued from the top, rear, left, or right-hand side; compatible with Grant EZ-Fit flue systems for straightforward installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Access Design\u003c\/strong\u003e – Burner and combustion chamber positioned at the front for easy, time-efficient servicing and maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiofuel Compatible\u003c\/strong\u003e – Compatible with certain biofuel blends, future-proofing the installation as low-carbon fuel options become more widely available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar Compatible\u003c\/strong\u003e – Can be integrated with solar thermal systems for enhanced energy efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Warranty Available\u003c\/strong\u003e – 1-year standard warranty; 2 years if registered within 30 days; extended to 5 years when installed by a registered G1 installer with a Grant or equivalent filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite Cased\u003c\/strong\u003e – Clean, professional white casing suitable for utility room and plant room installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Grant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Vortex Eco\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e VTXSECO15\/21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplier Part Number:\u003c\/strong\u003e VTXSECO15\/21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiler Type:\u003c\/strong\u003e Heat Only (System) Boiler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Type:\u003c\/strong\u003e Floor Standing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Oil (Biofuel compatible – subject to type and blend)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Output:\u003c\/strong\u003e 15–21 kW (71,652 BTU\/h)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCH Condensing Max Output:\u003c\/strong\u003e 21 kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDHW Output:\u003c\/strong\u003e 21 kW (15–21 kW range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDHW Flow Rate at 35°C Rise:\u003c\/strong\u003e Not applicable (system boiler)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy Efficiency Rating:\u003c\/strong\u003e A (ErP)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSEDBUK Rating:\u003c\/strong\u003e A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNOx Class:\u003c\/strong\u003e Class 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Level:\u003c\/strong\u003e 51 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 860mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 370mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 605mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay Type:\u003c\/strong\u003e Analogue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Horizontal Flue (100mm):\u003c\/strong\u003e 4m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Horizontal Flue (125mm):\u003c\/strong\u003e 4m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Vertical Flue (100mm):\u003c\/strong\u003e 12m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Vertical Flue (125mm):\u003c\/strong\u003e 12m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar Compatible:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes:\u003c\/strong\u003e Boiler only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 year standard; 2 years if registered within 30 days; up to 5 years with G1 installer and Grant\/equivalent filter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x Grant Vortex Eco Utility Oil Boiler (15-21kW)\u003c\/li\u003e\n\u003cli\u003eManufacturer’s installation and user documentation\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNote: Flue system, filter, and cylinder sold separately. Extended warranty requires G1 installer registration and compatible filter.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation \u0026amp; Compliance Notes\u003c\/h3\u003e\u003cp\u003eThe Grant Vortex Eco Utility must be installed by a registered \u003cstrong\u003eOFTEC\u003c\/strong\u003e engineer in accordance with \u003cstrong\u003eBS 5410\u003c\/strong\u003e, current Building Regulations, and the manufacturer’s installation guidelines. Oil storage and supply pipework must comply with the Control of Pollution (Oil Storage) Regulations. For maximum warranty coverage, installation must be carried out by a \u003cstrong\u003eGrant G1 registered installer\u003c\/strong\u003e with a Grant or equivalent system filter fitted.\u003c\/p\u003e\u003cp\u003eFlue installation must comply with the manufacturer’s flue design guidelines and relevant Building Regulations. Always commission and test the system in accordance with OFTEC procedures prior to handover.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFor trade pricing, bulk orders, or technical support, please contact our team directly.\u003c\/em\u003e\u003c\/p\u003e","brand":"Grant","offers":[{"title":"Default Title","offer_id":53598259118418,"sku":"VTXSECO15\/21","price":2400.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0904\/3001\/3778\/files\/GPID_1000758678_IMG_00.jpg?v=1780057310","url":"https:\/\/www.tradeplumbing.co.uk\/products\/grant-vortex-eco-utility-15-21-21kw-oil-system-boiler-vtxseco15-21","provider":"Tradeplumbing","version":"1.0","type":"link"}