. /.  WORLD TRADE  
ORGANIZATION  G/TBT/N/MEX/209 
11 February 2011 
 (11-0712) 
Committee on Technical Barriers to Trade Original:   Spanish 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Member to Agreement notifying:   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, 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 Normalizaci ón para la Preservación y Uso Racional de los 
Recursos Energéticos 
(National Advisory Committee on Standardiza tion for the Conservation and Rational Use 
of Energy Resources) 
Río Lerma 302, 5o. piso, Colonia Cuauhtémoc Delegación Cuauhtémoc, 06500, México, D.F. E-mail: mailto:fernando.hernandez@conuee.gob.mx
 and 
 mailto:norma.morales@conuee.gob.mx  
Website: http://www.sener.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):   Water heaters 
5. Title, number of pages and lang uage(s) of the notified document:  
PROY-NOM-003-ENER-2010, Eficiencia térm ica de calentadores de agua para uso 
doméstico y comercial  Límites, método de prueba y etiquetado  (Draft Mexican Official 
Standard PROY-NOM-003-ENER-2010:  Thermal efficiency of water heaters for domestic 
and commercial use.  Limits, test methods  and labelling) (17 pages, in Spanish) 
6. Description of content:   This draft Standard applies to water heaters for domestic and 
commercial use, marketed in Mexico, burning liquefied petroleum gas or natural gas and 
supplying only hot water in liquid state. 
Water heating appliances with a thermal lo ad greater than 108.0 kW and absolute 
maximum working pressures of 600.0 kPa at temperatures higher than 360.15 K. (87.0°C) are considered as boilers and are not covered by this draft Standard. 
7. Objective and rationale, including the nature of urgent problems where applicable:  
To establish the minimum levels of thermal e fficiency for water heaters for domestic and 
commercial use and the test methods applicable to them. G/TBT/N/MEX/209 
Page 2  
 
  8. Relevant documents:   - 
9. Proposed date of adoption: 
Proposed date of entry into force:  }60 calendar days after publication in the 
Official Journal. 
10. Final date for comments:   4 April 2011 
11. Texts available from:  National enquiry  point [X] or address, telephone and fax 
numbers, e-mail and website addresses,  if available of the 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.gob.mx/swb/es/economia/p_Catalogo_Mexicano_Normas  
 
Also available at: http://dof.gob.mx/index.php?year=2011&month=02&day=01  and 
http://members.wto.org/crnattach ments/2011/tbt/mex/11_0354_00_s.pdf