. /.  WORLD TRADE  
ORGANIZATION   
G/TBT/N/MEX/225 
15 December 2011 
 (11-6521) 
Committee on Technical Barriers to Trade Original:   Spanish 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Notifying Member:   MEXICO 
If applicable, name of local government involved (Articles 3.2 and 7.2):   
2. Agency responsible:   Secretaría de Energía (Ministry of Energy) 
Name and address (including telephone and fax numbers and e-mail and website 
addresses, if available) of  agency or authority designated to handle comments 
regarding the notification shall be  indicated if different from above:  
Comité Consultivo Nacional de Normal ización en Materia de Hidrocarburos 
(National Advisory Committee on Standardization in the Field of Hydrocarbons) 
Avenida Insurgentes Sur número 890, piso 4 Colonia del Valle, Delegación Benito Juárez Código Postal 03100, México, D.F. Tel.: 50006000, Ext. 1130 
Fax: 50006253 
E-mail: jgallardo@energia.gob.mx ;  iposadas@energia.gob.mx ; 
 mmendoza@energia.gob.mx ;  or michelrp@energia.gob.mx  
Website: http://www.energia.gob.mx/  
3. Notified under Article 2.9.2 [X], 2.10 .1 [ ], 5.6.2 [ ], 5.7.1 [ ], other:   
4. Products covered (HS or CCCN where applicable, otherwise national tariff heading.  
ICS numbers may be provided in addition, where applicable):   Storage water heaters 
for domestic and commercial use (International Classification for Standards (ICS) code 27.060) 
5. Title, number of pages and lang uage(s) of the notified document:  
PROY-NOM-011-SESH-2011, Calentadores para agua de uso doméstico y comercial que 
utilizan como combustible Gas L.P. o Ga s Natural - Requisitos de seguridad, 
especificaciones, métodos de prueba,  marcado e información comercial (Draft Mexican 
Official Standard PROY-NOM-011-SESH-2011,  Water heaters for domestic and 
commercial use fired by liquefied petroleum gas or natural gas - Safety requirements, 
specifications, test methods, marking, and comme rcial information) (39 pages, in Spanish) G/TBT/N/MEX/225 
Page 2  
 
  6. Description of content:   Storage heaters and fast recovery tankless heaters must contain an 
immersion tube or pipe, unless the cold wa ter supply enters through the bottom or lower 
side of the heater. 
Such heaters must have one or more labels  attached in a visible place providing the 
necessary operating information.  A permanent identification plate or label, preferably 
made of a rust-resistant material, must also be stuck, riveted or screwed to the outer body in a visible place. 
7. Objective and rationale, including the nature of urgent problems where applicable:  
This draft Standard establishes the minimum safety requirements, specifications, test 
methods, and marking and commercial informa tion requirements for storage type, fast 
recovery tankless, and instantaneous tankless wa ter heaters, which are fired by liquefied 
petroleum gas or natural gas, have a ther mal load not exceeding 108 kW, and supply hot 
water in a liquid state. 
8. Relevant documents:  -  
9. Proposed date of adoption: 
Proposed date of entry into force:  Not applicable 
90 calendar days after publication in the 
Official Journal 
10. Final date for comments:   6 February 2012 
11. Texts available from:  National enquiry  point [X] or address, telephone and fax 
numbers and e-mail and website addresses, if available, of other body: 
Secretaría de Economía 
Subsecretaría de Competitividad y Normatividad 
Dirección General de Normas Tel.: (+52) 55 5729-9100, Ext. 43217 Fax: (+52) 55 5520-9715 E-mail: normasomc@economia.gob.mx  and/or jesus.figueroa@economia.gob.mx  
Website: http://www.economia-noms.gob.mx/noms/inicio.do  
 
Text available online at: http://dof.gob.mx/index.php? year=2011&month=12&day=07 
http://members.wto.org/crnattach ments/2011/tbt/MEX/11_4241_00_s.pdf