Agentis External System

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 for any outdoor application.

Boiler Stats

Models E21S E26S E33S
Models E21S E26S E33S
Output (kW) 15-21 21-27 27-33
Flue Options L,R or rear. Optional Top L,R or rear. Optional Top L,R or rear. Optional Top
C/F size (mm) n/a n/a n/a
ErP Heating Rating rating rating rating
Height (mm) 900 900 900
Depth (mm) 700 700 700
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
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

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Agentis External Pumped

E21 P / E26 P / E33 P / E44 P
  • Warmflow’s unique, patented 5mm stainless steel heat exchanger technology
  • Latest Riello low NOx burner
  • Factory fitted Grundfos UPM3 FLEX AS circulating pump
  • No maintenance, IP45 rated anthracite grey casing in outputs ranging from 15-44kW
  • Multi directional flue included as standard
  • Factory fitted frost thermostat
  • Quiet operation
  • Extended warranty for Warmflow Connect installers (subject to ts & cs)
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Agentis External Combi

E21 C / E26 C / E33 C
  • Warmflow’s unique, patented 5mm stainless steel heat exchanger technology
  • Latest Riello low NOx burner
  • 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
  • No maintenance, IP45 rated anthracite grey casing in outputs ranging from 15-44kW
  • Multi directional flue included as standard
  • Factory fitted frost thermostat
  • 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 External Heat Only

E21 / E26 / E33 / E44
  • Warmflow’s unique, patented 5mm stainless steel heat exchanger technology
  • Latest Riello low NOx burner
  • No maintenance, IP45 rated anthracite grey casing in outputs ranging from 15-44kW
  • Multi directional flue included as standard
  • Factory fitted frost thermostat
  • Quiet operation
  • Extended warranty for Warmflow Connect installers (subject to ts & cs)
View boiler details