The Resideo VC6934ZZ11 Floating Actuator is a durable HVAC system component that controls valves in cold, warm, and hot water applications. This actuator operates on 24V AC and has a 120-second drive time and 0.4" stroke, allowing for accurate fluid flow control. It employs a tri-state (SP3T) floating control signal, which allows for precise valve movement. https://www.partshnc.com/vc6934zz11-resideo-24vspdt-floating120sec