# The Boiler (Efficiency) Regulations 1993, Paragraph 3


A boiler designed to be fired by industrial waste gas, biogas or by any other fuel the properties of which differ appreciably from the properties of the liquid or gaseous fuels commonly marketed.

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Source: https://www.legislation.gov.uk/uksi/1993/3083/schedule/3/paragraph/3 (the official version)
Page: https://openlegislation.uk/boiler-efficiency-regulations-1993/schedule-3/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.