Agentis Boiler house Oil Boilers

The Boiler house range has been specifically designed for boiler house and garage applications and is suitable for indoor installation.

Its blue casing houses a highly efficient heat exchanger that can be easily accessed for servicing. The latest in Riello low NOx burner technology makes the Boilerhouse range quiet in operation and the perfect choice in oil-fired boilers. All Boilerhouse models are fully factory wired with burner and thermostat and are supplied with a factory-fitted condensate trap as standard. The appliance has flow and return connections off the top for ease of plumbing.

Boiler Stats

Models B21 B26 B33
Models B21 B26 B33
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 rating rating rating
Height (mm) 697 697 697
Depth (mm) 600 600 600
Width (mm) 395 395 395
Flow Connection 1" BSP 1" BSP 1" BSP
Return Connection 1" BSP 1" BSP 1" BSP
Service Access front front front
DHW Flow (I/min) n/a n/a n/a

Explore other models

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)
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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)
View boiler details