Caleffi Mixing Valve With Temperature Gauge, 5231 Series, 1-1/4 in Nominal, Sweat Connection, Number of Ports/Ways: 3-Ways, 4.4 to 40 gpm Flow Rate, 200 lbf/sq-in, 7.6 Cv Flow Coefficient (Cv), Brass, +/-6 deg F Gauge Accuracy, Water Service, 2 in Dia Gauge Dial, 30 to 210 deg F Gauge Scale, Yes, 195 deg F, 6-3/4 in L x 7-5/8 in H