warmflow-agentis-21-27kw-external-regular-oil-boiler

Warmflow Agentis 21-27kW External Regular Oil Boiler - E26

£2157.76 (Inc. VAT)

In Stock

FREE DELIVERY

Description

Key Features

  • Output: 21–27kW
  • Flue options: L,R or rear. Optional Top
  • IP45 rating
  • ErP rating: A
  • Dimensions: 900(H) x 700(D) x 413(W) mm
  • Flow connection: 28mm
  • Return connection: 1" BSP
  • Service access: Front
  • Warranty: 2 years
  • Riello low NOx technology
  • Grey, weatherproof casing
  • Riello low NOx technology
  • Patented 5mm stainless steel heat exchanger

Warmflow Agentis 21-27kW External Regular Oil Boiler - E26 Overview

The Warmflow Agentis 21-27kW External Regular Oil Boiler - E26 features an IP45 rating with a grey, waterproof casing to suit its external use.

This heat only oil boiler doesn't require any maintenance and includes a patented 5mm stainless steel heat exchanger and Riello low NOx technology for quiet, efficient operation.

Specifications

This external oil boiler features an output between 21 and 27kW, a 28mm flow connection, a 1" BSP return connection and front service action for versatile use.

Specifications

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Technical

Warmflow Agentis 21-27kW External Regular Oil Boiler - E26 – Technical Specifications
Fitting Location External
Weight 128 Kg
EAN 5055888501625
MPN E26
Product Code PN177976
Boiler/Product Type Heat Only (Regular) Boiler
Sub Type Oil Heat Only
Colour Grey
Guarantee (Years) 2
Width (mm) 413
Height (mm) 900
Depth (mm) 700
Heat Output 27 kW
Fuel Type Oil
Mounting Floor
ErP Rating ErP A

Documents

Warmflow Agentis 21-27kW External Regular Oil Boiler - E26

Product Code: PN177976

Product Options:

21-27

15-21

21-27

27-33

33-44


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In Stock

£2,157.76 (Inc. VAT)

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Prices last checked on 03/06/2026 using Google Product ID Match
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1 Product Question

G diggines asked

How to bleed the boiler after it has run out of oil?

To bleed your Warmflow Agentis after running out of oil:

  • Turn off the boiler and restore the oil supply.
  • Loosen the oil pump bleed screw and pump until a steady, bubble-free stream of oil flows; then tighten.
  • Bleed radiators from lowest to highest until water flows smoothly.
  • Restart the boiler and check for leaks and proper operation.


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