Product Type Thermostatic Actuator, Compatible with Product Type Thermostatic Radiator Valve, Compatible Grainger Part Number 279A29, 279A30, 279A32, 3UD02, 3UD03, 3UD05, 3UD06, Minimum Temperature 43 Degrees F, Maximum Temperature 79 Degrees F, Material Nickel-Plated Bronze, Actuator Type Direct Mount, Remote Sensor, Body Style Straight, Capillary Length 80 in, Features Continually Monitor, No Electrical Connections, Valve Seat Disc, Includes Setpoint Dial, Valve Actuator