Delta is committed to supporting water conservation around the globe and has been recognized as WaterSense® Manufacturer Partner of the Year in 2011, 2013, and 2014. Monitor® faucets feature exclusive pressure balance valves to keep water temperature within a safe ±3.6° F (±1.7° C), protecting you from sudden changes in hot or cold water pressure. Monitor valves also feature an adjustable high-temperature limit stop that, when properly, set helps ensure the handle cannot be turned to a position that is too hot for comfort.