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High Efficiency Combination Boilers

Glow-worm’s range of Combi Boilers provide central heating and hot water without the need for a separate tank to store water; hence you can easily tuck them away under the stairs or in kitchen cabinets. This is the most popular types of boiler in the UK, now found in around 70% of homes.

1 - 9 of 9 Results

Energy Combi Boiler

FREE 7 year guarantee out of the box

  • Rear flue option
  • FREE 7 year guarantee out of the box with option to extend*
  • High quality, automotive grade, aluminium heat exchanger

Energy 35 Store combi boiler

35kW combi boiler

  • ErP A rated for efficiency - helping to lower energy bills
  • Provides high performance heating and instant, sustained hot water
  • System contains two highly insulated 21 litre integrated tanks

Ultimate₃ Combi Boiler

Exclusive combi boiler with 10 years guarantee*

  • Leading combi boiler offering great performance
  • Up to 10 year guarantee when registered on Club Energy*
  • £15 reward when registered through Club Energy

Betacom₄ Combi Boiler

Exclusive great value combi with a 5 year guarantee*

  • ErP A rated boiler for efficiency - helping to reduce energy bills
  • FREE 5 year guarantee when registered through Club Energy
  • 24kW and 30kW outputs available

Easicom₃ combi boiler

Quality and reliable system boiler with 3 years guarantee*

  • Leading combi boiler offering great performance
  • FREE 3 year guarantee with option to extend*
  • Sold with inbuilt timer and standard horizontal flue

Essential Combi Boiler

Quality, Performance and Value

  • Exceptional value for money combi range
  • FREE 3 year guarantee with option to extend*
  • Sold with analogue timer and flue

Energy LPG Combi Boiler

FREE 7 year guarantee out of the box

  • Cupboard fit
  • High efficiency, modulating Grundfos pump
  • High quality, automotive grade, aluminium heat exchanger

MicraCom Combi Boiler

Perfect in small spaces

  • Compact footprint and lightweight
  • Stainless steel heat exchanger
  • Compatible with the range of Glow-worm flues, controls and accessories

Compact Combi Boiler

They say great things come in small packages.

  • Free 5 years out the box guarantee
  • Stainless steel heat exchanger
  • Manufactured in our award winning factory in Derbyshire

1 - 9 of 9 Results