Warmflow Agentis Internal Combi Boiler

I21 P / I26 P / I33 P / I44 P

  • AA Rating on M & XL load profile
  • Riello low NOx technology
  • Factory fitted Grundfos UPM3 FLEX AS circulating pump
  • 24ltr Factory fitted, hinged, expansion vessel
  • Low component count
  • DHW expansion vessel
  • DCW Inlet shut-off valve
  • Factory fitted DCW pressure reducing valve
  • Push in o-ring fittings
  • Slimline design
  • Integrated 7-day programmer


Warmflow has an outstanding selection of high efficiency, internal and external oil-fired boilers – including the UK & Ireland’s only AAA-rated oil boiler – you can also save both installation time and money with their new Professional range of oil boilers which comes with over £250 worth of factory fitted accessories as standard including an Adey Magnacelan Pro 2, Teddington fire valve and Crosland oil filter and much more!

Additional information

I21 C

Output 15-21kW, Height 865mm, Depth 602mm, Width 515mm

I26 C

Output 21-27kW, Height 865mm, Depth 602mm, Width 515mm

I33 C

Output 27-33kW, Height 865mm, Depth 602mm, Width 515mm