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Glow worm Ultimate₃ combi boilers

High efficiency combi boiler from Glow-worm

  • Leading combi boiler offering outstanding performance
  • ErP A rated for efficiency – helping you to reduce your energy bills
  • FREE 5 year parts and labour warranty*
  • Extended warranty options available
  • Our 30kW and 35kW models suit homes of all sizes

Outstanding performance

The Ultimate₃ combi boiler provides central heating and hot water without the need for a cylinder or tank to store water. The Ultimate₂ combi is available in a choice of 30kW and 35kW models making it suitable for a range of homes, and provides a high domestic hot water flow rate to ensure reliable performance for you and your family.

Built with an automotive, grade aluminium heat exchanger, the Ultimate₃ is designed to offer high performance. The Grundfos modulating pump also helps to reduce energy use meaning the boiler is ErP A rated when it comes to efficiency.

The boiler features a modern, bright, LCD display with an easy-to-use interface, and is also compatible with Glow-worm’s popular MiGo app based control (sold separately). This means you can control your heating and hot water from anywhere at anytime by simply using your mobile phone or tablet.

The Ultimate₃ also comes prepared with a 5 year parts and labour guarantee when your Gas Safe registered installer registers the installation on the Glow-worm Club Energy installer loyalty programme.

*When registered through Club Energy

Features & benefits

  • Combi boiler range with a choice of 30 or 35 kW outputs
  • Modern, bright, LCD display with easy-to-use interface
  • High quality, automotive grade, aluminium heat exchanger providing excellent performance
  • High efficiency, A rated boiler for ErP energy labelling to reduce energy bills
  • Grundfos modulating pump for further reduced energy use
  • Inbuilt filling loop for straightforward maintenance
  • Compatible with a full range of Glow-worm controls, flues and accessories
  • Ideal for use with the innovative MiGo app based control
  • 5 years parts and labour guarantee with option to extend*
  • Wide range of compatable flue options available
  • Wide range of Glow-worm accessories available

*When registered through Club Energy

Free Glow Worm Boiler Quote

    Call us on: 01258 472132

    Our Accreditations


    Total Energy Services cover the following areas;

    Total Energy Services offer emergency plumbing services are available in the areas of Dorset, Somerset, Wiltshire and Hampshire including;

    Blandford, Sturminster Newton, Shaftesbury, Gillingham, Wimborne, Sherborne, Cerne Abbas, Six Penny Handley, Wincanton, Portland, Weymouth, Tisbury, Swanage, Wareham, Templecombe, Dorchester, Salisbury, Fordingbridge, Bruton, Castle Cary, Poole, Bournemouth, Christchurch.

    If you live outside these areas please contact us and we will be happy to advise you.