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 high and 413mm wide, the High Efficiency Condensing Utility Series is available in Standard, Pumped, System and Combi variants.

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

Key Features

  • Available in outputs from 15 to 44kW
  • Designed to fit neatly under standard work surfaces (models up to 120HE)
  • Stylish, pre-coated white casing
  • Front servicing
  • Suitable for use with conventional flues or with the multi-optional HE ‘Easy-Fit’ Balanced Flue System
  • Riello RDB2.2 and 3.2 burners fitted as standard
  • Optional 7-day Digital Programmer for mounting within the boiler casing

Good to know

The Utility Standard Boilers (UHE) are supplied with a pre-wired, factory-fitted burner and thermostat. Only one IE320 mains socket (supplied) needs to be wired on site. The multi-optional flue system can be routed through the top, back, left or right hand side of the casing.


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Boiler Stats

  • Modals
    U70HE
    U90HE
    U120HE
    U150HE
  • Outputs KW
    15-21
    21-26
    26-33
    33-44
  • Flue Options
    Conventional flue, low-level, high-level and vertical balanced flue
    Conventional flue, low-level, high-level and vertical balanced flue
    Conventional flue, low-level, high-level and vertical balanced flue
    Conventional flue, low-level, high-level and vertical balanced flue
  • Conventional Flue Size (mm)
    100
    100
    100
    125
  • ErP Rating heat icon
  • ErP Rating heat icon
    N/A
    N/A
    N/A
    N/A
  • Width (mm)
    413
    413
    413
    595
  • Height (mm)
    865
    865
    865
    1155
  • Depth (mm)
    600
    600
    600
    872
  • Services Access
    Front
    Front
    Front
    Front
  • Condensate Trap
    Factory Fitted
    Factory Fitted
    Factory Fitted
    Factory Fitted
  • Hot Water Flow Rate (L/min)
    n/a
    n/a
    n/a
    n/a

View our U-Series 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.​

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Utility HE Pre-pumped

The Utility Pumped Boilers (UPHE) are supplied with a pre-wired, factory-fitted burner, thermostat and circulating pump.

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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.

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Utility HEE Combi

The UK & Ireland’s only AA rated combination oil boiler.

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