Green Hotels Association
    April 2013  


Pre-rinse spray valves—often used in commercial and institutional kitchens—are designed to remove food waste from dishes prior to dishwashing. These devices can account for nearly one-third of the water used in the typical commercial kitchen. Nationwide that adds up to approximately 32 billion gallons of water per year. To capitalize on the potential water and energy savings, WaterSense has developed a draft specification for commercial pre-rinse spray valves.

EPA is proposing that to earn the WaterSense label, commercial pre-rinse spray valves must use no more than 1.28 gallons per minute (gpm), or 20% less water than the federal standard. In addition, EPA is proposing requirements for spray force, which a field study indicated is a key criterion for effective and efficient cleaning.

Once the specification has been finalized, products will be independently tested and certified by a licensed certifying body to ensure that they meet the efficiency and performance criteria. EPA estimates that replacing one commercial pre-rinse spray valve with a WaterSense labeled model can help commercial kitchens save more than 7,000 gallons of water per year—equal to the amount of water it takes to wash nearly 5,000 racks of dishes in a commercial dishwasher. In addition, by installing a WaterSense labeled pre-rinse spray valve, commercial kitchens may be able to save nearly 6,200 cubic feet of natural gas that would have been used to heat the water annually

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20 years

Unique Visitors Hits
May 10,997 667,475
June 9,515 578,873
July 9,883 580,884
August 9,809 590,792
September 10,135 541,873
October 11,185 650,824
November 12,040 641,196
December 10,301 490,242
TOTAL 2012 130,827 8,115,839
10,947 536,184
Feb 10,849 555,803
Mar 12,693 937,200
Apr 11,937 633,702
TOTAL 2013 45,467 2,353,383

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