G/TBT/N/USA/1822/Add.1  
 
15 July 2022  
(22-5393) Page: 1/2 
Committee on Technical Barriers to Trade  Original: English  
 
NOTIFICATION  
Addendum  
The following communication , dated  15 July 2022, is being circulated at the request of the delegation 
of the United States of America . 
 
_______________  
 
 
Title:  Energy Conservation Program: Test Procedure for Consumer Water Heaters and Residential -
Duty Commercial Water Heaters  
 
Reason for Addendum:  
[ ] Comment period changed - date:   
[ ] Notified measure adopted - date:  
[ ] Notified measure published - date:  
[ ] Notified measure enters into force - date:  
[ ] Text of final measure available from1:  
[ ] Notified measure withdrawn or revoked - date:  
Relevant symbol if measure re -notified:   
[X] Content or scope of notified measure changed  and text available from1:  
Supplemental notice of proposed rulemaking and request for comment  
https://www.govinfo.gov/content/pkg/FR -2022-07-14/html/2022 -14687.htm  
https://www.govinfo.gov/content/pkg/FR -2022-07-14/pdf/2022 -14687.pdf  
https://members.wto.org/crnattachments/2022/TBT/USA/modification/22_46 77_00_e.
pdf 
New deadline for comments (if applicable):  4 August 2022  
[ ] Interpretive guidance issued and text available from1:  
[ ] Other:  
 
Description:  TITLE: Energy Conservation Program: Test Procedure for Consumer Water Heaters 
and Residential -Duty Commercial Water Heaters  
AGENCY: Office of Energy Efficiency and Renewable Energy, Department of Energy  
ACTION: Supplemental notice of proposed rulemaking and request for comment  
SUMMARY: The U.S. Department of Energy ("DOE") is publishing this supplemental notice of 
proposed rulemaking ("SNOPR") to amend  the test procedure for consumer water heaters and 
residential -duty commercial water heaters. This SNOPR updates the proposals presented in a notice 
of proposed rulemaking published in the Federal Register on 11 January 2022. In this SNOPR, DOE 
 
1 This information can be provided by including a website address, a pdf attachment, or other 
information on where the text of the final /modified  measure and/or interpretive guidance can be obtained.  G/TBT/N/USA/1822/Add.1  
 
- 2 - 
 
  proposes ad ditional amendments that would provide additional specificity regarding flow rate 
tolerances for water heaters with a rated storage volume of less than 2 gallons; allow for voluntary 
representations at certain additionally specified test conditions for hea t pump water heaters; revise 
the proposed specifications regarding separate storage tank requirements for certain types of water 
heaters; provide instructions for testing certain water heaters that store water at a temperature 
higher than the delivery setp oint; establish a metric and method for determining the effective 
storage volume of certain storage -type water heaters; and update the proposed methodology for 
estimating the internal tank temperature of water heaters which cannot be directly measured. DOE  
is seeking comment from interested parties on these proposals.  
DATES: DOE will accept comments, data, and information regarding this SNOPR no later than 4 
August 2022. See section IV, "Public Participation," for details.  
This supplemental notice of propos ed rulemaking and request for comment and previous actions 
notified under the symbol G/TBT/N/USA/1822  are identified by Docket Number EERE -2019-BT-TP-
0032. The Docket Fol der is available from Regulations.gov at 
https://www.regulations.gov/docket/EERE -2019-BT-TP-0032/document  and provides access to 
primary and supporting documents as well as co mments received. Documents are also accessible 
from Regulations.gov  by searching the Docket Number. WTO Members and their stakeholders are 
asked to submit comments to the USA TBT Enquiry Point  by or before 4pm Eastern Time  on 4 August 
2022. Comments received by the USA TBT Enquiry Point from WTO Members and their stakeholders 
will be shared with the regulator and will also be submitted to the Docket  on Regulations.gov if 
received within the comment period.  
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