PILOT OPERATED PISTON 3-WAY TYPE BRASS BODY AND SEAT AND PISTON FLOW CONTROL SEATING SURFACE 450 PSI MAX RATED WATER OPERATING PRESSURE AT 400 DEG F 100 PST MAX RATED OPERATING PRESSURE DIFFERENTIAL SOLENOID ACTUATED 230 V AC 60 HZ SINGLE PHASE W/THREE 1/2 IN.NPT INTERNAL THD END CONNECTIONS 0.500 IN. OFFSET DISTANCE OF BRANCH PORT FROM IN-LINE PORTS