The next generation of oil boilers
- Teddington fire valve with 9m capillary
- Oil line installation kit with a Crossland oil filter
- ADEY Magnaclean pro 2 filter
- Pre Wired Grundfos UPM3 Flex AS Circulating Pump
- Includes 2 Bottles of Inhibitor
Agentis Internal System
Using Warmflow’s unique patented heat exchanger and Riello Low NOx technology with a sealed system kit.
Combines Warmflow's unique patented stainless steel heat exchanger & Riello low NOx technology along with a factory fitted sealed system kit to ensure seamless integration into any indoor application.
Boiler Stats
| Models | I21S | I26S | I33S |
|---|---|---|---|
| Models | I21S | I26S | I33S |
| Output (kW) | 15-21 | 21-27 | 27-33 |
| Flue Options | C/F, low/ high/ vertical B/F | C/F, low/ high/ vertical B/F | C/F, low/ high/ vertical B/F |
| C/F size (mm) | 100 | 100 | 100 |
| ErP Heating Rating |  |
|
|
| Height (mm) | 865 | 865 | 865 |
| Depth (mm) | 602 | 602 | 602 |
| Width (mm) | 413 | 413 | 413 |
| Flow Connection | 28mm | 28mm | 28mm |
| Return Connection | 22mm | 22mm | 28mm |
| Service Access | front | front | front |
| DHW Flow (I/min) | n/a | n/a | n/a |
Explore other models
Agentis Internal Heat Only
I21 / I26 / I33 / I44
- Warmflow’s unique, patented 5mm stainless steel heat exchanger technology
- Latest Riello low NOx burner
- Stylish white casing suitable for all indoor installations
- Outputs ranging from 15-44kW
- Quiet operation
- Extended warranty for Warmflow Connect installers (subject to ts & cs)
Agentis Internal Pumped
I21 P / I26 P / I33 P / I44 P
- Warmflow’s unique, patented 5mm stainless steel heat exchanger technology
- Latest Riello low NOx burner
- Factory fitted Grundfos UPM3 FLEX AS circulating pump
- Stylish white casing suitable for all indoor installations
- Outputs ranging from 15-44kW
- Quiet operation
- Extended warranty for Warmflow Connect installers (subject to ts & cs)
Agentis Internal Combi
I21 C / I26 C / I33 C
- Warmflow’s unique, patented 5mm stainless steel heat exchanger technology
- Latest Riello low NOx burner
- One of the slimmest oil boilers on the market at 515mm wide
- Factory fitted 24ltr expansion vessel, 32 plate heat exchanger
- Factory fitted pressure reducing & relief valves as standard
- Factory fitted Grundfos UPM3 FLEX AS circulating pump
- Stylish white casing suitable for all indoor installations
- Outputs ranging from 15-33kW
- Quiet operation
- Extended warranty for Warmflow Connect installers (subject to ts & cs)