PAS 4444:2020 Hydrogen-fired gas appliances - Guide (+A2:2026)
Publication Year
2020
Document Status
Current
Abstract
Provides guidance for construction of hydrogen-fired gas appliances, or those designed to be converted to use hydrogen. Details classification, construction, performance, markings and instructions.
Document History
Supersedes PAS 4444:2020. Came into effect 28 February 2026. Amendment dateNovember 2021 - A1: See Foreword. Amendment dated February 2026 - A2: See Foreword. This PAS is not to be regarded as a British Standard.
Publisher Information
British Standards Institution
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
