Caleffi MixCal™ Thermostatic and Pressure Balanced Mixing Valve, 521 Series, 1 in Nominal, Sweat Connection, Number of Ports/Ways: 3-Ways, 1.3 to 15 gpm Flow Rate, 200 lbf/sq-in, 3 Cv Flow Coefficient (Cv), EPDM Seal, Brass, +/-6 deg F Gauge Accuracy, Water Service, 2 in Gauge Dial, 30 to 210 deg F Gauge Scale, Lead-Free, 200 deg F Maximum, 39 to 80 deg F Cold Water, 200 deg F Hot Water Inlet, 85 to 150 deg F Adjustable, 6-1/8 in L x 6-7/16 in H, Domestic/Import: Import