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Information Paper 9/90 Unvented hot water supply systems

Publication Year

1990

Document Status

Withdrawn

Abstract

The 1986 Model Water Bylaws permit, for the first time in the United Kingdom, the use of mains-fed hot water storage systems, over 15 litres capacity, without a vent. The Building Regulations 1985 state the safety requirements for these systems. This Information Paper summarises the differences between vented and unvented systems, and explains the need for safety devices and controls in the absence of an open vent.

Document History

Withdrawn October 2016.

Author

Hall, J.

Publisher Information

BRE

BRE is a building science centre that generates new knowledge through research. This is used to create products, tools and standards that drive positive change across the built environment. BRE helps its government and private sector clients meet the significant environmental, social and economic challenges they face in delivering homes, buildings and communities. BRE is owned by the BRE Trust, a registered charity. The Trust uses the profits made by the BRE companies to fund research and education that advances knowledge of the built environment.

IHS BRE Press
The Capitol Building
Bracknell
BRE
UK