Associated forms of reference material which can be read in conjunction with the Regulations are set out below. This list is by no means exhaustive.
| BS 21 | Specification for pipe threads. |
| BS 61 | Specification for threads for light gauge copper tube and fittings. |
| BS 699 | Specification for copper direct cylinders for domestic purposes 1984. |
| BS 864 | Capillory and compression tubes and fittings of copper and copper alloy. |
| BS 1212 | Float operated valves. |
| BS 1566 | Specification for copper indirect cylinders for domestic purposes. |
| BS 1710 | Specification for the identification of pipelines and services. |
| BS 6700 | Hot and Cold water services in buildings and their curtailages. |
British Standards are available from :
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BSI Standards,
389 Chiswick High Rd.,
London.
W4 4AL
