
Tracked Changes. Safety and control devices for gas burners and gas-burning appliances. Particular requirements. Part 9: Mechanical gas thermostats.
STANDARD published on 7.8.2022
Designation standards: BS ISO 23551-9:2022-TC
Publication date standards: 7.8.2022
The number of pages: 78
Approximate weight : 234 g (0.52 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 23370 4 Status: Definitive