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Glow-worm legacy product ranges

We’re proud of our British heritage and have 90 years of expertise in developing and manufacturing heating products here in the UK.

Some of our legacy products are still being used to provide heating and hot water in homes across the country. From combi boilers to controls, or system boilers to cylinder ranges, if you need any information on our legacy product ranges we have added a range of useful information below.  If you require any additional information, please contact us on 0345 602 2922.


Discontinued literature

Search for any legacy documents including manuals and brochures by selecting the letter that corresponds to the product name's first letter.