# The Boiler (Efficiency) Regulations 1993, Regulation 4: Supply of boilers


(1) Subject to the following provisions of these Regulations, no person shall supply or put into service a new boiler which does not satisfy the efficiency requirements.
(2) A boiler with a dual function, that of heating premises and also providing sanitary hot water, satisfies the efficiency requirements if those requirements are satisfied in respect of its heating function only.

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Source: https://www.legislation.gov.uk/uksi/1993/3083/regulation/4 (the official version)
Page: https://openlegislation.uk/boiler-efficiency-regulations-1993/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.