G/TBT/N/MEX/317  
29 August 2016  
(16-4558) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  Spanish  
 
  NOTIFICATION  
The following notification is being circulated 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 Economía  (Ministry of t he Economy) and  Secretaría 
de Energía  (Ministry of Energy)  
Name and address (including telephone and fax numbers, email 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 Normalización para la Preservación y Uso Racional de los 
Recursos Energéticos , CCNNPURRE (National Advisory Committee on Standardization for 
the Conservation and Rational Use of Energy Resources)  
Av. R evolución Núm. 1877 
Colonia Loreto, Delegación Álvaro Obregón  
Ciudad de México, C.P. 01090  
Email: ybo.pulido@conuee.gob.mx  and norma.morales@conuee.gob.mx  
or 
Comité Consultivo Nacional de Normalización de la Secretaría de Economía , CCONNSE  
(National Advisory Committee on Standardization of the Ministry of the Economy)  
Av. Puente de Tecamachalco Núm. 6  
Col. Lomas de Tecamachalco, Sección Fuentes  
Naucalpan de Juár ez, C.P. 53950  
Estado de México  
Email: claudia.sama@economia.gob.mx  and mariana.hernandez@economia.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): Solar water 
heaters (tariff subheading 8419 .19.02) 
5. Title, number o f pages and language(s) of the notified document: PROY -NOM-027-
ENER/SCFI -2016, Rendimiento térmico, ahorro de gas y requisitos de seguridad de los 
calentadores de agua solares y de los calentadores de agua solares con respaldo de un 
calentador de agua que utiliza como combustible gas L.P. o gas natural. Especificaciones, 
métodos de prueba y etiquetado  (Draft Mexican Official Standard PROY -NOM-027-
ENER/SCFI -2016: Thermal performance, gas saving and safety requirements for solar 
water heaters and solar water heaters which use a liquefied petroleum gas or natural gas 
water heater as backup. Specifications, test methods and labelling) (44 pages, in Spanish)  
6. Description of content: The notified text establishes the thermal performance 
specifications for ther mosiphon solar water heaters, for domestic or commercial use, which 
have a thermal tank with a capacity of less than 500 litres; the gas saving specifications 
for solar water heaters that use a gas water heater as backup; and the safety and labelling 
requirements and test methods.  G/TBT/N/MEX/317  
- 2 - 
  7. Objective and rationale, including the nature of urgent problems where 
applicable: The notified text establishes the thermal performance specifications for 
thermosiphon solar water heaters, for domestic or commercial use, whic h have a thermal 
tank with a capacity of less than 500 litres; the gas  saving specifications for  solar water 
heaters  that use a gas water heater as  backup; and the safety and labelling requirements 
and test methods. This draft Standard applies to solar wat er heaters and solar water 
heaters with a liquefied petroleum gas  or natural gas water heater as  backup which are 
marketed in the United Mexican States.  
8. Relevant documents:  
 NOM-008-SCFI-2002, Sistema general de unidades de medida  (Mexican Official 
Standard NOM -008-SCFI-2002: General system of units of measurement);  
 NOM-003-ENER -2011, Eficiencia térmica de calentadores de agua para uso 
doméstico y comercial. Limites, método de prueba y etiquetado  (Mexican Official 
Standard NOM -003-ENER -2011: Thermal e fficiency of water heaters for domestic or 
commercial use. Limits, test method and labelling);  
 NMX-ES-004-NORMEX -2010, Energía solar . Evaluación térmica de sistemas solares 
para calentamiento de agua - Método de prueba (Mexican Standard NMX -ES-004-
NORMEX -2010: Solar energy. Thermal assessment of solar water heating systems - 
Test method).  
9. Proposed date of adoption: The notified draft Mexican Official Standard will be adopted 
upon its publication in the Official Journal as a final Mexican Official Standard . 
Proposed date of entry into force: The notified draft Mexican Official Standard will enter 
into force 90 calendar days after its publication in the Official Journal as a final Mexican 
Official Standard . 
10. Final date for comments: 60 calendar days afte r publication in the Official Journal  
11. Texts available from: National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available, of other body:  
Secretaría de Economía  
Subsecretaría de Competitividad y Normat ividad  
Dirección General de Normas  
Tel.: (+52) 55 5729 9100, Ext. 43217  
Fax: (+52) 55 5520 9715  
Website: http://www.economia -noms.gob.mx/?P=144  
Email: normasomc@economia.gob.mx  and/or sofia.pacheco@economia.gob.mx  
Text available online at: 
http://dof.gob.mx/nota_detalle.php? codigo=5448823&fecha=22/08/2016  
https://members.wto.org/crnattachments/2016/TBT/MEX/16_3468_00_s.pdf