The Johnson Controls VA-7480-0312 Electric Valve Actuator is a conventional and compact type of scenario that work with HVAC valves. This option is made of high strength thermoplastic for durability and comes with 1/4” flare fitting for easy connection. In the floating mode, a continuous signal changes the position of the valve to give precise control of water or air flow. #Johnson... https://www.partshnc.com/24v-onoff-or-floating-act