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if boiler is purchased with installation!

Pay monthly option available
if boiler is purchased with installation!

  • Utility HEE Combi 21/26

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 due to their large thermal store and high output plate exchanger.

All Warmflow combination boilers are factory fitted with a low pressure switch as standard, providing protection against damage in the event of water loss from the system.

Good to know

Warmflow takes pride in being a company with a reputation for producing quality products that are easy to install and maintain. Our HEE range, incorporating a unique, patented, easy clean, front servicing secondary heat exchanger, aligns with this philosophy.

All HEE boilers are suitable for use on conventional flues or low-level, high-level and vertical balanced flues using the ‘Easy-fit’ flue system.

Key Features

  • New Control PCB with integrated relays
  • Honeywell diverter valve and quick release actuator along with single Grundfos circulating pump to remove non-return valves
  • Factory fitted frost thermostat and low pressure switch
  • Factory fitted inlet strainer
  • Single point wiring connections
  • Riello RDB
  • 2.2Optional 7-day Digital Programmer for mounting within the boiler casing
  • 3 bar pressure relief valve & automatic air vents

Boiler Stats

Outputs KW: 21-26

Flue Options: Left, right or rear low-level conventional flue, optional top outlet

ErP Rating: A (water)

ErP Rating: A (heating)

Conventional Flue Size (mm): 80/125

Width (mm): 595

Height (mm): 865

Depth (mm): 600

Services Access: Front/top

Condensate Trap: Factory Fitted

Hot Water Flow Rate (L/min): n/a

Utility HEE Combi 21/26

  • Product Code: Utility HEE Combi 21/26
  • Availability: In Stock
  • £2,246.00


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