Warmflow Agentis System Boiler

£1,899.60£2,292.00

Brand Warmflow
SKU I21S-I26S-I33S
Warmflow Agentis System Boiler

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Warmflow Agentis System Boiler – High-Efficiency Oil Boiler for Sale, Trade & Wholesale | Energy Fuel UK

Compact, Efficient & Powerful System Boiler for Modern UK Homes

The Warmflow Agentis System Boiler, available at Energy Fuel UK, is one of the UK’s most efficient and installer-friendly oil-fired system boilers. Designed to deliver powerful, low-emission heating performance, the Agentis range is ideal for homes with sealed heating systems and separate hot water cylinders.

Manufactured in the UK and known for its outstanding reliability and low running costs, the Agentis system boiler is the perfect solution for homeowners and installers seeking a compact, easy-to-install, and energy-saving oil boiler.


🔧 Key Features:

  • Outputs from 15-33kW – ideal for small to large properties

  • System boiler – designed for sealed systems with a hot water cylinder

  • ErP A-rated condensing technology – reduces fuel bills and carbon footprint

  • Available in internal and external models

  • Factory-fitted expansion vessel and circulating pump

  • Patented stainless steel heat exchanger – maximises heat transfer

  • Pre-fitted flue kits for faster installation

  • Low NOx emissions – compliant with latest UK regulations

  • Built-in frost protection on outdoor versions

  • Compact dimensions for easy siting


🔥 Ideal For: Warmflow Agentis System Boiler

  • UK homes not connected to mains gas

  • Installers upgrading older oil systems

  • Rural and off-grid locations

  • Properties with moderate to high hot water demand

  • Homeowners seeking a reliable, UK-built condensing oil boiler

Whether you’re replacing an inefficient unit or installing in a new development, the Warmflow Agentis System Boiler delivers best-in-class performance and durability, with models tailored to suit any household.

Agentis Internal System

Using Warmflow’s unique patented heat exchanger and Riello Low NOx technology with a sealed system kit.

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 into any indoor application.

• Height – 865mm • Width – 413mm • Depth – 602mm

 

Model Watts Output
I21S 15-21 Kw
I26S 21-27 Kw
I33S 27-33 Kw

🛒 Retail, Trade & Wholesale Available – Energy Fuel UK

At Energy Fuel UK, we supply Warmflow Agentis System Boilers for retail customers, installers, and wholesale buyers across the UK. With competitive pricing, expert advice, and fast delivery, we’re your one-stop destination for oil boilers.

Why Choose Energy Fuel UK?

  • Competitive prices for trade, retail & wholesale

  • Wide range of Warmflow boilers in stock

  • Fast, UK-wide delivery

  • Expert customer service

  • Trusted supplier of system oil boilers

👉 Browse All Boilers


📞 Need Help Choosing the Right Agentis Model?

Get expert help from our team to find the perfect Warmflow Agentis System Boiler for your needs. Call or email us for technical support, sizing advice, and installation guidance.


Energy Fuel UK – Your Trusted Supplier of Warmflow Agentis System Boilers for Sale, Trade & Wholesale

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