VA9104-GGA-3S Electric Valve Actuator | Pex PartsJohnson Controls VA9104 GGA 3S Electric Valve Actuator, Proportional, 24V VA9104 GGA 3S Valve Actuator 24VAC, Proportional Control 4NM Non Spring Return Direct Mounting. The VA9104 Series actuators are direct mount, non spring return electric valve actuators that operate on AC 24 V power. Use these synchronous motor driven actuators to provide accurate positioning on Johnson Controls VG1000 Series DN15, DN20, and DN25 (1 2, 3 4, and 1 in.) ball valves