# The Pressure Systems and Transportable Gas Containers Regulations 1989, Paragraph 18


Any vapour compression refrigeration system incorporating compressor drive motors, including standby compressor motors, having a total installed power not exceeding 25 kW.

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Source: https://www.legislation.gov.uk/uksi/1989/2169/schedule/2/paragraph/18 (the official version)
Page: https://openlegislation.uk/pressure-systems-and-transportable-gas-containers-regulations-1989/schedule-2/paragraph-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.