PLEASE NOTE: This item has been replaced by the new lead free version. Thermostatic mixing valve for use with single eye wash or eye/face wash, accommodating water flows from 0.5 - 8.0 GPM. Internal cold water bypass allows for continued cold water delivery upon hot water failure. Dial thermometer indicates eye wash temperature. Integral supply check stops prevent crossover of supplies. Valve is factory assembled and tested prior to shipment.