Agentis Internal Pumped

All the power and efficiency of the heat only range with a factory fitted Grundfos UPM3 FLEX AS circulating pump to reduce installation time and maximise space within the system.

The Warmflow Agentis internal pumped range comes with all the features of the heat only models but with a factory fitted Grundfos UMP3 FLEX AS circulating pump and is available in outputs from 15kW to 44kW.

Boiler Stats

Models I21P I26P I33P I44P
Models I21P I26P I33P I44P
Output (kW) 15-21 21-27 27-33 33-44
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, low/ high/ vertical B/F
C/F size (mm) 100 100 100 100
ErP Heating Rating rating rating rating rating
Height (mm) 865 865 865 1155
Depth (mm) 602 602 602 872
Width (mm) 413 413 413 595
Flow Connection 28mm 28mm 28mm 28mm
Return Connection 22mm 22mm 28mm 1¼" BSP
Service Access front front front front
DHW Flow (I/min) n/a n/a n/a n/a
WFP

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

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)
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Agentis Internal System

I21 S / I26 S / I33 S
  • Warmflow’s unique, patented 5mm stainless steel heat exchanger technology
  • Latest Riello low NOx burner
  • Factory fitted Grundfos UPM3 FLEX AS circulating pump
  • Factory fitted sealed system including 12ltr rectangular expansion vessel for more space within the appliance.
  • 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)
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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)
View boiler details