581 SERIES VALVE 5/2 WAY SIZE 1 2 POSITION, SINGLE SOLENOID, SPRING RETURN INTERNAL PILOT WITH THROTTLE MANUAL OVERRIDE: WITH DETENT CONNECTION WITH LED MATERIAL: POLYAMIDE, FIBER GLASS REINFORCED. 110 VOLT AC 60 HZ V581-I1-5/2SR-110AC-P22-PA-INT-T1-111132