Warmflow Agentis 15-21kW External Regular Oil Boiler - E21

Warmflow Agentis 15-21kW External Regular Oil Boiler - E21 The Warmflow Agentis 15-21kW External Regular Oil Boiler - E21 is a compact, efficient floor-standing oil boiler designed for outdoor installation where internal boiler space is limited. The Agentis E21 is part of Warmflow’s External Heat Only oil boiler range and is designed to provide reliable central heating performance for domestic oil heating systems. With an output range of 15-21kW, this model is suitable for many smaller to medium-sized properties, subject to a correct heat loss calculation and heating system design. This external regular oil boiler features Warmflow’s patented 5mm stainless steel heat exchanger technology, Riello low NOx burner technology, IP45-rated weatherproof casing, front service access and multi-directional flue options included as standard. Key Features Warmflow Agentis external oil boiler Model: E21 Output range: 15-21kW EAN / GTIN: 5055888501601 Product type: Heat only / regular oil boiler Designed for outdoor installation Floor-standing oil-fired condensing boiler Patented 5mm stainless steel heat exchanger technology Riello low NOx burner technology No-maintenance IP45-rated weatherproof casing Anthracite grey external casing Multi-directional flue included as standard Left, right or rear flue options with optional top flue Front service access for maintenance Quiet operation HVO ready ErP A-rated heating performance Designed for professional oil boiler installation, servicing and replacement Boiler Specification Brand: Warmflow Range: Agentis External Heat Only Model: E21 Product Type: Oil Boiler Boiler Type: Heat Only / Regular Boiler Manufacturer Part Number: E21 EAN / GTIN: 5055888501601 Fuel Type: Oil / Kerosene / Heating Oil Installation Type: External floor-standing Application: Outdoor oil boiler installation Output Range: 15-21kW Maximum Output: 21kW Boiler Category: Condensing oil boiler ErP Heating Rating: A SAP Winter Seasonal Efficiency: 88.7% SAP Summer Seasonal Efficiency: 80.9% Seasonal Efficiency for Non-Domestic Buildings: 95.4% Comparative Hot Water Efficiency: 59.1% Flue Options: Left, right or rear flue options with optional top flue Flue Included: Multi-directional flue included as standard Flow Connection: 28mm Return Connection: 1" BSP Service Access: Front Burner: Riello low NOx burner Heat Exchanger: Patented 5mm stainless steel heat exchanger Casing: No-maintenance IP45-rated weatherproof casing DHW Flow Rate: Not applicable - this is not a combi boiler Mounting Position: Floor mounted Exposure Rating: Outdoor Colour: Anthracite Grey / Grey Dimensions: 900mm H x 413mm W x 700mm D Height: 900mm Width: 413mm Depth: 700mm Approx. Weight: 128kg Warranty / Guarantee: 5 years, subject to Warmflow terms, registration and service requirements Suitable For Outdoor oil boiler installations Replacement regular oil boiler installations Homes where internal boiler space is limited Domestic central heating systems using oil / kerosene Homes requiring a heat only oil boiler with separate hot water cylinder Smaller to medium-sized properties requiring a 15-21kW oil boiler output range Properties requiring a compact external floor-standing oil boiler Installation Benefits External design helps save indoor space IP45-rated casing is designed for outdoor installation Multi-directional flue included as standard for flexible installation Left, right or rear flue options with optional top flue Front service access supports easier maintenance Riello burner technology provides proven oil burner performance Patented stainless steel heat exchanger supports efficient long-term operation HVO-ready design helps support future fuel flexibility Important Product Note This listing is for the Warmflow Agentis 15-21kW External Regular Oil Boiler - E21. This is a heat only / regular oil boiler and is not a combination boiler. A separate hot water cylinder and suitable system components are required where domestic hot water is needed. Oil line components, fire valves, oil filters, controls, pipework, fittings, system protection, commissioning materials and installation accessories are not included unless stated separately. Always 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. Professional Installation Required This 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 OFTEC registered technician, in accordance with current regulations, Warmflow installation instructions and safe working practices.