Chicago Faucets MeterMix™ metering faucet features variable temperature control to allow users to select temperature. A patented dual stem design used the MVP™ Metering Cartridge with an easily accessible timing adjustment nut that allows timing modification (from 1 to 20 seconds) without turning off the water supply. A pressure-compensating timing device provides consistent timing under varying pressures. A concealed, adjustable temperature limit stop provides tamper-free control of maximum output temperature. The vandal-resistant 0.5 gpm spray outlest conserves water. Two in-line check assemblies ensure long-lasting performance and prevent cross flow. Chicago Faucets.