BS 7181:1989

This standard BS 7181:1989 Specification for storage cisterns up to 500 L actual capacity for water supply for domestic purposes is classified in these ICS categories:

• 91.140.60 Water supply systems

This standard specifies the performance requirements for cisterns up to 500 L actual capacity designed for the storage of water for domestic purposes.

NOTE 1 Flushing cisterns are outside the scope of this standard.

These requirements are additional to those of the basic product specifications, (e.g. BS 417 and BS 4213).

NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.

Specifies requirements additional to those for basic product specifications and tests to ensure the installation is safeguarded against ingress of insects and particles and thermally caused contamination.