Warmflow Agentis External Oil Boiler 15–21kW
Warmflow Agentis External Oil Boiler 15–21kW
(Approx. 3-5 working days)
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The Warmflow Agentis E21 is an external, heat only oil fired condensing boiler designed for outdoor installation. It delivers a central heating output of 15–21kW and is housed in an IP45 rated weatherproof casing, ensuring protection against the elements without the need for additional shelter.
This oil boiler uses kerosene as fuel and incorporates a patented 5mm stainless steel heat exchanger for improved thermal efficiency. It is ErP A-rated for energy performance and fitted with a Riello low NOx burner to reduce emissions in compliance with current environmental standards. The boiler is HVO ready, offering compatibility with renewable liquid fuels.
Installation is simplified by the inclusion of a multi-directional flue system, allowing discharge to the left, right, or rear, with an optional top outlet. Service access is provided from the front, and connections include a 28mm flow and 1" BSP return. The unit is floor mounted and designed for quiet operation.
- Output range: 15–21kW for central heating
- IP45 rated casing for outdoor weather protection
- Patented 5mm stainless steel heat exchanger for efficiency
- Riello low NOx burner reduces harmful emissions
- Multi-directional flue included for flexible installation
| Brand | Warmflow |
|---|---|
| Width | 413 mm |
| Applicable Standards | OFTEC Approved |
| Depth | 700 mm |
| Flue Included | No |
| Fuel Type | Kerosene & HVO |
| Heating Energy Rating | A |
| Heat Output Range | 15-21kW |
| Height | 900 mm |
| Central Heating Output | 21 kW |
| Min Heat Output | 15 |
| Model Name / No | E21 |
| Weight | 128 kg |
| Usage | External Use |
| Colour | Grey |
| Mount Type | Floor Mounted |
| Residential Warranty | 2 years standard (extendable to 5 years) |
| Sound Power Level (dB A): | 52 dB |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.
The Warmflow Agentis E21 is an external, heat only oil fired condensing boiler designed for outdoor installation. It delivers a central heating output of 15–21kW and is housed in an IP45 rated weatherproof casing, ensuring protection against the elements without the need for additional shelter.
This oil boiler uses kerosene as fuel and incorporates a patented 5mm stainless steel heat exchanger for improved thermal efficiency. It is ErP A-rated for energy performance and fitted with a Riello low NOx burner to reduce emissions in compliance with current environmental standards. The boiler is HVO ready, offering compatibility with renewable liquid fuels.
Installation is simplified by the inclusion of a multi-directional flue system, allowing discharge to the left, right, or rear, with an optional top outlet. Service access is provided from the front, and connections include a 28mm flow and 1" BSP return. The unit is floor mounted and designed for quiet operation.
- Output range: 15–21kW for central heating
- IP45 rated casing for outdoor weather protection
- Patented 5mm stainless steel heat exchanger for efficiency
- Riello low NOx burner reduces harmful emissions
- Multi-directional flue included for flexible installation
| Brand | Warmflow |
|---|---|
| Width | 413 mm |
| Applicable Standards | OFTEC Approved |
| Depth | 700 mm |
| Flue Included | No |
| Fuel Type | Kerosene & HVO |
| Heating Energy Rating | A |
| Heat Output Range | 15-21kW |
| Height | 900 mm |
| Central Heating Output | 21 kW |
| Min Heat Output | 15 |
| Model Name / No | E21 |
| Weight | 128 kg |
| Usage | External Use |
| Colour | Grey |
| Mount Type | Floor Mounted |
| Residential Warranty | 2 years standard (extendable to 5 years) |
| Sound Power Level (dB A): | 52 dB |
- Delivery cost will be calculated at checkout once delivery address has been confirmed
- Delivery lead times are an estimate only
- Delivery drivers will always prioritise safety over convenience when offloading materials
- Bagged products such as cement and plaster cannot be returned once opened
- Jumbo bags cannot be returned once delivered
- All other goods may be returned within 3 months with a proof of purchase provided
- Chargeable pallets may be returned for a full refund
- All online pricing is specific to Northern Ireland only. Pricing for our Isle of Man branch may vary.