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 4.7 stars

1,330 reviews

 4.7 stars

1,330 reviews

Warmflow Agentis External Combi 21kW Oil Boiler

Warmflow Agentis External Combi 21kW Oil Boiler Boiler
Typical Price (inc VAT)
£2,300
Typical installation Cost (inc VAT)*
£1000 - £1500
Sundries (Filter, Flue, etc)
£300
Total Cost
£3,600 - £4,100

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Make Warmflow
Model Agentis External Combi 21kW Oil Boiler
Is Condensing Yes
Efficiency Rating AA
Band Rating AA rating
LPG Compatible No
Standard Warranty 5 years
Central Heating Max. Output 21 kW
Mounting Floor standing
Flow Rate 18 l/min
Typical Price (inc VAT) £2,300
Typical installation Cost (inc VAT)* £1000 - £1500
Sundries (Filter, Flue, etc) £300
Total Cost £3,600 - £4,100
ERP Rating AA
Hot Water Max. Output 21 kW

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

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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 26kW and 33kW.

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Excellent 4.7 out of 5

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