Unit installation

5. GENERAL INSTALLATION REQUIREMENTS
5.1 Regulations, Standards and Law.
The installation must be in accordance with this guide.
For the user’s protection, in the United Kingdom it is the law that all gas appliances
are installed by competent persons in accordance with the current edition of the Gas
Safety (Installation and Use) Regulations. Failure to install the appliance correctly
could lead to prosecution. GAS SAFE REGISTER and CORGI require their members
to work to recognised standards.
In the United Kingdom the installation must also be in accordance with:
All the relevant parts of local regulations.
The relevant parts of the current editions of the following British Standards:-
BS 5440 Part 1- Installation of flues
BS 5871 Part 1- Installation - Gas fires
BS 6891- Installation of low pressure gas pipework of up to 35mm (R1 ¼) in
domestic premises (2nd family gas) - specification.
 In England and Wales, the current edition of the Building Regulations issued by the
Department of the Environment and the Welsh Office.
 In Scotland, the current edition of the Building Standards (Scotland) Regulations
issued by the Scottish Executive.
 In Northern Ireland, the current edition of the Building regulations (Northern
Ireland) issued by the Department of the Environment for Northern Ireland.
 In the republic of Ireland the installation must be carried out by a competent person
and also conform to the relevant parts of:
a) The current edition of IS 813 “Domestic Gas Installations”
b) All relevant national and local rules in force.
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© Baxi Heating U.K. Limited 2009.
Figure 2. Recess and flue hole dimensions.
INSTALLER GUIDE