• Get the best quotes, fast!
  • Over 5,000 engineers across the UK
  • Gas Safe registered engineers

Need a New Boiler?

What work do you require?

Or do you require a boiler repair?

Get THE Best Deal

by quickly comparing 3 FREE quotes

  • Next day installation
  • Quotes from local engineers
  • 1.9 million quotes in 10 years
  • Save up to £500 on installation

The smarter way to find approved heating engineers

Excellent 4.8 out of 5 Trustpilot

Stay Safe.
Always use a Gas Safe registered engineer

Warmflow Agentis External Combi 33kW Oil Boiler

Warmflow Agentis External Combi 33kW Oil Boiler Boiler
Typical Price (inc VAT)
£2,710
Typical installation Cost (inc VAT)*
£1000 - £1500
Sundries (Filter, Flue, etc)
£300
Total Cost
£4,010 - £4,510
Make Warmflow
Model Agentis External Combi 33kW Oil Boiler
Is Condensing Yes
Efficiency Rating AA
Band Rating AA rating
LPG Compatible No
Standard Warranty 5 years
Central Heating Max. Output 33 kW
Mounting Floor standing
Flow Rate 24 l/min
Typical Price (inc VAT) £2,710
Typical installation Cost (inc VAT)* £1000 - £1500
Sundries (Filter, Flue, etc) £300
Total Cost £4,010 - £4,510
ERP Rating AA
Hot Water Max. Output 33 kW

* This is a guide price for a straightforward, like-for-like boiler replacement. Installation costs will vary dependent on work required.

Get your best deal

Quickly compare 3 FREE quotes

  • Quotes from local engineers
  • Get quotes today, installed tomorrow
  • Finance options available
  • Save up to £500 on installation
Get Quotes Now It only takes 30 seconds
0330 808 0405
Call us to get quotes

We will get you the best deal!

0330 808 0405
4.7/5 out of 27,016 reviews

1,8 million quotes provided in 10 years

The Agentis External Combi oil boiler from Warmflow is the UK & Ireland’s only AAA rated oil boiler which will provide hot water for central heating and domestic use from one compact unit. Warmflow claims that this boiler can save homeowners up to 5ltrs of fuel per week compared to other leading combi oil boiler brands. The Warmflow Agentis External combi boiler uses Warmflow’s unique patented stainless steel heat exchanger with the latest Riello Low NOx burner technology to offer customers unparalleled efficiency and ease of installation in an outdoor setting. The Agentis combi also includes a factory fitted 24ltr hinged expansion vessel, a factory fitted pressure relief and reducing valve and a factory fitted DHW mini expansion vessel. This boiler is also available in 21kW and 26W.

Get your best deal

Quickly compare 3 FREE quotes

  • Quotes from local engineers
  • Get quotes today, installed tomorrow
  • Finance options available
  • Save up to £500 on installation
Get Quotes Now It only takes 30 seconds
0330 808 0405
Call us to get quotes

We will get you the best deal!

0330 808 0405
4.7/5 out of 27,016 reviews

1,8 million quotes provided in 10 years

Need a new boiler?

Get FREE no-obligation quotes now!

Find approved boiler engineers
in your area.

Begin your search by entering your postcode below.

Or select your region from the list and start your search