U - Series

Introducing the perfect choice in high efficiency utility and kitchen oil boilers.

Warmflow Oil Boilers, UK, Ireland, Northern Ireland USeries Oil Boiler Range Banner

About our U-Series

The HE utility range has been specifically designed to fit into most kitchen and utility room applications. It’s stylish white casing houses a highly efficient heat exchanger that can be easily accessed for servicing without the need for removable work surfaces.

  • Available in outputs from 15kW to 44kW
  • Finished in stylish high gloss white casing
  • Front servicing
  • Safe edges design
Warmflow Oil Boilers UK, Ireland, Northern Ireland, U-Series Oil Boiler Featured

Unique features and benefits

HE boilers are suitable for use on most types of fully pumped heating and hot water systems and are ideal for systems that have been designed to operate with a low return water temperature i.e. under floor heating.

An environmental investment

Designed to be environmentally friendly, Warmflow HE boilers are highly efficient in operation and are ErP ‘A’ rated. Combining economical running cost operation with comprehensive 5 year heat exchanger warranty makes Warmflow the perfect choice for oil-fired heating.

U-Series boiler range

Warmflow Oil Boilers, UK, Ireland, Northern Ireland Utility HE Pre-wired Oil Boiler Banner

Utility HE Pre-wired

The Warmflow High Efficiency Condensing Utility Series has been specifically designed to fit into kitchen and utility room installations. With models starting at only 865mm...

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Warmflow Oil Boilers, UK, Ireland, Northern Ireland Utility HE Pre-pumped Oil Boiler Featured

Utility HE Pre-pumped

The Utility Pumped Boilers (UPHE) are supplied with a pre-wired, factory-fitted burner, thermostat and circulating pump. Only one IE320 mains socket (supplied) needs to be...

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Warmflow Oil Boilers, UK, Ireland, Northern Ireland Utility HE System Oil Boiler Featured

Utility HE System

The Utility System Boilers (USHE) are supplied as a kit, consisting of a Utility Pumped Boiler (UPHE) and a System Kit. As described above, the...

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Warmflow Oil Boilers, UK, Ireland, Northern Ireland Utility HEE Combi Oil Boiler Featured

Utility HEE Combi

The UK & Ireland’s only AA rated combination oil boiler. Warmflow combination boilers provide excellent hot water performance and rapid response to hot water demand...

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