INTERNATIONAL ISO STANDARD 23551-9 Second edition 2022-01 by Techstreet LLC, Safety and control devices for gas burners and gas-burning appliances Particular requirements dounloaded Part 9: Mechanical gas thermostats on 2022-02-04 14:07:29 +0000 by Dispositifs de commande et de sécurité pour bruleurs a fioul et pour appareils a fioul - Exigences particulieres - Partie 9: Thermostats meécaniques University of Toronto User. Reference number IS0 23551-9:2022(E) tso @ ISO 2022 IS0 23551-9:2022(E) by Techstreet LLC, subscriptions.techstr reet.. com, dounloaded on 2022-02-04 14:07:29 +0000 hq University of Toronto User. COPYRIGHTPROTECTEDDOCUMENT IS02022 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requestedfrom eitherIso at theaddress below or ISo's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +4122 749 0111 Email: copyright@iso.org Website: www.iso.org PublishedinSwitzerland i @IS0 2022 - All rights reserved