An early pioneer of unvented hot water systems, Reliance continues to offer leading technology for storage, control and distribution within a sealed system.

Reputedly devised by an Englishman as far back as 1861, unvented systems are commonplace throughout Europe, South Africa, North America and Australia, although the UK remains one of the last bastions of the traditional low pressure vented system. However, times are changing. The demands from discerning householders for increased performance, sophisticated taps and showers, and aesthetic styling have produced a growing trend towards the installation of unvented systems in the UK, which will continue to increase in popularity.

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