{"product_id":"warmflow-agentis-15-21kw-boilerhouse-oil-boiler-b21","title":"Warmflow Agentis 15-21kW Boilerhouse Oil Boiler - B21","description":"\u003ch2\u003eWarmflow Agentis 15-21kW Boilerhouse Oil Boiler - B21\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWarmflow Agentis 15-21kW Boilerhouse Oil Boiler - B21\u003c\/strong\u003e is a compact, efficient floor-standing oil boiler designed for boilerhouse, garage and suitable indoor installation applications.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eAgentis B21\u003c\/strong\u003e is part of Warmflow’s Boilerhouse oil boiler range and is designed to provide reliable central heating performance for domestic oil heating systems. With an adjustable output range of \u003cstrong\u003e15-21kW\u003c\/strong\u003e, this model is suitable for many smaller to medium-sized properties, subject to a correct heat loss calculation and installation design.\u003c\/p\u003e\n\u003cp\u003eThis boilerhouse model features Warmflow’s patented stainless steel heat exchanger technology, proven Riello low NOx burner technology, a factory-fitted burner and thermostat, front service access and a factory-fitted condensate trap as standard.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWarmflow Agentis Boilerhouse oil boiler\u003c\/li\u003e\n\u003cli\u003eModel: \u003cstrong\u003eB21\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput range: \u003cstrong\u003e15-21kW\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEAN \/ GTIN: \u003cstrong\u003e5055888501564\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eProduct type: Heat only \/ regular oil boiler\u003c\/li\u003e\n\u003cli\u003eSuitable for boilerhouse, garage and suitable indoor installations\u003c\/li\u003e\n\u003cli\u003eFloor-standing oil-fired condensing boiler\u003c\/li\u003e\n\u003cli\u003ePatented stainless steel heat exchanger technology\u003c\/li\u003e\n\u003cli\u003eRiello low NOx burner technology\u003c\/li\u003e\n\u003cli\u003eFactory-fitted burner and thermostat\u003c\/li\u003e\n\u003cli\u003eFactory-fitted condensate trap as standard\u003c\/li\u003e\n\u003cli\u003eFlow and return connections located off the top for ease of plumbing\u003c\/li\u003e\n\u003cli\u003eFront service access for maintenance\u003c\/li\u003e\n\u003cli\u003eBlue casing\u003c\/li\u003e\n\u003cli\u003eErP A-rated heating performance\u003c\/li\u003e\n\u003cli\u003eConventional, low-level, high-level and vertical balanced flue options available\u003c\/li\u003e\n\u003cli\u003eCompact 395mm width\u003c\/li\u003e\n\u003cli\u003eDesigned for professional oil boiler installation, servicing and replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBoiler Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Warmflow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Agentis Boilerhouse\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e B21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Oil Boiler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiler Type:\u003c\/strong\u003e Heat Only \/ Regular Boiler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e B21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEAN \/ GTIN:\u003c\/strong\u003e 5055888501564\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Type:\u003c\/strong\u003e Oil \/ Kerosene \/ Heating Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Type:\u003c\/strong\u003e Floor-standing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Boilerhouse, garage and suitable indoor installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Range:\u003c\/strong\u003e 15-21kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Output:\u003c\/strong\u003e 21kW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiler Category:\u003c\/strong\u003e Condensing oil boiler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErP Heating Rating:\u003c\/strong\u003e A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAP Winter Seasonal Efficiency:\u003c\/strong\u003e 88.7%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAP Summer Seasonal Efficiency:\u003c\/strong\u003e 80.9%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeasonal Efficiency for Non-Domestic Buildings:\u003c\/strong\u003e 95.4%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlue Options:\u003c\/strong\u003e Conventional flue, low-level balanced flue, high-level balanced flue and vertical balanced flue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConventional Flue Size:\u003c\/strong\u003e 100mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Connection:\u003c\/strong\u003e 1\" BSP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturn Connection:\u003c\/strong\u003e 1\" BSP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Access:\u003c\/strong\u003e Front\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBurner:\u003c\/strong\u003e Riello low NOx burner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Exchanger:\u003c\/strong\u003e Patented stainless steel heat exchanger\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondensate Trap:\u003c\/strong\u003e Factory-fitted condensate trap\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls:\u003c\/strong\u003e Factory-fitted burner and thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDHW Flow Rate:\u003c\/strong\u003e Not applicable - this is not a combi boiler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Position:\u003c\/strong\u003e Floor mounted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 697mm H x 395mm W x 600mm D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 697mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 395mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 600mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprox. Weight:\u003c\/strong\u003e 114kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \/ Guarantee:\u003c\/strong\u003e 2 years parts and labour with 5-year heat exchanger warranty, subject to Warmflow terms, registration and service requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuitable For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBoilerhouse installations\u003c\/li\u003e\n\u003cli\u003eGarage oil boiler installations\u003c\/li\u003e\n\u003cli\u003eSuitable indoor oil boiler installations\u003c\/li\u003e\n\u003cli\u003eReplacement regular oil boiler installations\u003c\/li\u003e\n\u003cli\u003eDomestic central heating systems using oil \/ kerosene\u003c\/li\u003e\n\u003cli\u003eHomes requiring a heat only oil boiler with separate hot water cylinder\u003c\/li\u003e\n\u003cli\u003eProperties requiring a compact floor-standing boilerhouse model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact 395mm wide casing helps with tighter boilerhouse spaces\u003c\/li\u003e\n\u003cli\u003eFlow and return connections located off the top for easier pipework\u003c\/li\u003e\n\u003cli\u003eFront access supports easier servicing and maintenance\u003c\/li\u003e\n\u003cli\u003eFactory-fitted burner and thermostat reduce installation preparation\u003c\/li\u003e\n\u003cli\u003eFactory-fitted condensate trap supplied as standard\u003c\/li\u003e\n\u003cli\u003eMultiple flue options support different installation requirements\u003c\/li\u003e\n\u003cli\u003eRiello burner technology provides proven oil burner performance\u003c\/li\u003e\n\u003cli\u003eStainless steel heat exchanger supports efficient long-term operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Product Note\u003c\/h3\u003e\n\u003cp\u003eThis listing is for the \u003cstrong\u003eWarmflow Agentis 15-21kW Boilerhouse Oil Boiler - B21\u003c\/strong\u003e. This is a \u003cstrong\u003eheat only \/ regular oil boiler\u003c\/strong\u003e and is not a combination boiler. A separate hot water cylinder and suitable system components are required where domestic hot water is needed.\u003c\/p\u003e\n\u003cp\u003eFlue kits, oil line components, fire valves, oil filters, controls, pipework, fittings, system protection, commissioning materials and installation accessories are not included unless stated separately.\u003c\/p\u003e\n\u003cp\u003eAlways confirm the required flue arrangement, oil supply setup, condensate route and heating system design before installation. Boiler sizing should be confirmed by a qualified heating engineer based on the property heat loss and system requirements.\u003c\/p\u003e\n\u003ch3\u003eProfessional Installation Required\u003c\/h3\u003e\n\u003cp\u003eThis oil-fired boiler must be installed, commissioned and serviced by a suitably qualified oil heating engineer. Installation should be carried out by a competent professional, such as an \u003cstrong\u003eOFTEC registered technician\u003c\/strong\u003e, in accordance with current regulations, Warmflow installation instructions and safe working practices.\u003c\/p\u003e","brand":"WarmFlow","offers":[{"title":"Default Title","offer_id":49127604224256,"sku":"WARMFLOW-B21","price":1650.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/2814\/files\/w_1556_2.avif?v=1786009936","url":"https:\/\/spares-direct.com\/products\/warmflow-agentis-15-21kw-boilerhouse-oil-boiler-b21","provider":"Spares Direct","version":"1.0","type":"link"}