Withdrawn, Document not available for download
Core Supplement
Guide
Discusses wood and solid mineral fuel burning appliances, factory made chimneys and chimney lining systems, fuel types and equipment and appliance installation, safety and maintenance.
Supersedes 'HETAS guide to approved solid fuel, wood and biomass products and services' (HETAS, 2019). List No. 26 2020. Products that are listed in the 2020 printed guide are confirmed approved up until the end of 2020. From January 2021, to check if a product remains on the approved list you will need to look on the HETAS website at: https://www.hetas.co.uk/find-appliance/.
HETAS Ltd is the Heating Equipment Testing and Approval Scheme, formerly known as DSFAAS.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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