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Unvented water heating systems

These systems comprise unvented cylinders, which are storage water heaters that are connected directly to the mains water supply. This dispenses with the need for water storage tanks in the roof space and results in high pressure hot and cold water to all outlets, including showers, without the need for a pump.

The installation of an unvented hot water system must comply with both the Water Regulations and the Building Regulations. The system must be installed by a competent person, in other words someone who is qualified for the installation of unvented hot water cylinders.

For more information please visit www.hotwater.org.uk