Product Type Thermostatic Radiator Valve Compatible with Product Type Thermostatic Actuators Compatible Grainger Part Number 10L942 10L943 10L944 Pipe Connection Size 1/2 in Pipe Connection Type FPT Radiator Connection 1/2 in MPT Maximum Pressure 12 psi 142 psi Max Steam Pressure 12 psi Max Water Pressure 142 psi Material Brass H58-3 Body Style Angle Standards ASHRAE 102