1 1/2" Union npt, 40-80 degrees F, 1140 Series Reverse Acting Brass Body (Code 02R) Thermostatic Temperature Regulator for Two way Cooling Water service with 125 PSI Maximum Differential and Cross Ambient Filled Actuator

1 1/2" Union npt, 120-160 degrees F, 1140 Series Direct Acting Brass Body (Code 03) Thermostatic Temperature Regulator for Two way Heating Steam service with 200 PSI Maximum Differential and Cross Ambient Filled Actuator

1 1/2" Union npt, 140-180 degrees F, 1140 Series Direct Acting Brass Body (Code 03) Thermostatic Temperature Regulator for Two way Heating Steam service with 200 PSI Maximum Differential and Cross Ambient Filled Actuator