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Regulations last checked for updates: Apr 23, 2025
Title 10 - Energy last revised: Apr 21, 2025
All Titles
Title 10
Chapter II
Part 431
Subpart G - Subpart G—Commercial Water Heaters, Hot Water Supply Boilers and Unfired Hot Water Storage Tanks
TEST PROCEDURES
§ 431.105 - Materials incorporated by reference.
§ 431.106 - Uniform test method for the measurement of energy efficiency of commercial water heating equipment.
§ 431.101 - Purpose and scope.
§ 431.102 - Definitions concerning commercial water heaters, hot water supply boilers, unfired hot water storage tanks, and commercial heat pump water heaters.
ENERGY CONSERVATION STANDARDS
§ 431.110 - Energy conservation standards and their effective dates.
Appendix Appendix A - Appendix A to Subpart G of Part 431—Uniform Test Method for the Measurement of Thermal Efficiency and Standby Loss of Gas-Fired and Oil-Fired Storage Water Heaters and Storage-Type Instantaneous Water Heaters
Appendix Appendix B - Appendix B to Subpart G of Part 431—Uniform Test Method for the Measurement of Standby Loss of Electric Storage Water Heaters and Storage-Type Instantaneous Water Heaters
Appendix Appendix C - Appendix C to Subpart G of Part 431—Uniform Test Method for the Measurement of Thermal Efficiency and Standby Loss of Gas-Fired and Oil-Fired Instantaneous Water Heaters and Hot Water Supply Boilers (Other Than Storage-Type Instantaneous Water Heaters)
Appendix Appendix D - Appendix D to Subpart G of Part 431—Uniform Test Method for the Measurement of Standby Loss of Electric Instantaneous Water Heaters (Other Than Storage-Type Instantaneous Water Heaters)
Appendix Appendix E - Appendix E to Subpart G of Part 431—Uniform Test Method for the Measurement of Energy Efficiency of Commercial Heat Pump Water Heaters
authority:
42 U.S.C. 6291-6317
;
28 U.S.C. 2461
note
source:
64 FR 54141, Oct. 5, 1999, unless otherwise noted.
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