# The Renewable Heat Incentive Regulations 2011, Regulation 20: Matters relating to all heat meters and steam measuring equipment


(1) All heat meters installed or used in accordance with these Regulations must, where applicable—
(a) be calibrated prior to use;
(b) be calibrated correctly for any water/ethylene glycol mixture; and
(c) be (or have been) properly installed in accordance with manufacturer’s instructions.
(2) All steam measuring equipment installed or used in accordance with these Regulations must be—
(a) calibrated prior to use;
(b) capable of displaying measured steam pressure and temperature;
(c) capable of displaying the current steam mass flow rate and the cumulative mass of steam which has passed through it since it was installed; and
(d) properly installed in accordance with manufacturer’s instructions.

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Source: https://www.legislation.gov.uk/ukdsi/2011/9780111512753/regulation/20 (the official version)
Page: https://openlegislation.uk/draft-renewable-heat-incentive-regulations-2011/regulation-20
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.