Back-to-back installation is ideal for unique or high-volume jobs</br>Provides anti-scald protection and temperature regulation at flow rates as low as 175 gpm; far below federally mandated standards of 25 gpm</br>Integrated screwdriver stops assist in repair?? turn off water supply at the valve</br>Mounting tabs located on rough-in for secure installation option</br>Requires valve trim (sold-separately)</br></br>Product Description</br></br>Maintains water temperature with +/-3 degrees Fahrenheit. Elegant design and finish. The product is manufactured in China.</br><br/>http://www.amazon.com/gp/product/B001652GM8