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With a heritage spanning over 75 years in the heating business, Glow-Worm is a trusted British brand when it comes to boilers, cylinders, and renewable technologies. After becoming one of the first UK manufacturers to develop the condensing boiler, Glow-Worm developed one of the most comprehensive ranges of heating solutions available today. Now part of the Vaillant Group, Glow-Worm products are not only built to last, but backed up by excellent service engineers to give complete peace of mind.

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