BRE - Unvented domestic hot water systems
| Organization: | BRE |
| Publication Date: | 1 January 1986 |
| Page Count: | 9 |
scope:
This Digest summarises the differences between vented and unvented systems, explains how, in the absence of a vent, there is a need for safety devices and controls, describes the new Building Regulations procedures, and advises on the inspection of installations