Shorewood, IL, July 6, 2011 --  MJSI, Inc. today announced the results of a year-long study conducted by Roto-Rooter, North America’s #1 plumbing repair service, that showed that the installation of water conservation products in a 16-unit apartment complex reduced indoor water usage by 34%, for an annual savings of $3,000 and 565,000 gallons of water per year.

Last year, as part of its ROTOGreen program, Roto-Rooter technicians installed five water-saving products including retrofitting 3.5gpf (gallon-per-flush) toilets into dual flush models using the HydroRightÔ dual flush converter and the HydroCleanÒ toilet fill valve. They also replaced shower heads with the latest 1.5 gallon-per-minute models and swapped out bathroom and kitchen sink faucet aerators with more restrictive flow models.

According to the U.S. Environmental Protection Agency’s WaterSense program, replacement of faucet aerators and showerheads in a household can be expected to reduce water usage by approximately...