7.7 : Water Use Standards




7.7.2 Water Use Standards for Water Closets (1)
Maximum Flush
Water Closet Type Rate (gpf)
Gravity Tank-Type Toilets 1.6
Flushometer Tank Toilets 1.6
Electromechanical Hydraulic Toilets 1.6
Blowout Toilets 3.5
Flushometer Valve Toilets (2) 1.6
Urinals (3) 1.0
Note(s): 1) Effective for products manufactured on or after January 1, 1994, unless otherwise noted. 2) Does not include blowout toilets. Effective for products manufactured on or after January 1, 1997. 3) Except for trough-type urinals. The maximum water use for trough-type urinals should be the product of the maximum flow rate and the length of the urinal in inches divided by 16 inches.
Source(s): Title 10, Code of Federal Regulations, Part 430 - Energy Conservation Program for Consumer Products, Subpart C - Energy and Water Conservation Standards and Their Effective Dates. January 1, 2010.









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Title 10, Code of Federal Regulations, Part 430 - Energy Conservation Program for Consumer Products, Subpart C - Energy and Water Conservation Standards and Their Effective Dates. January 1, 2010