Resideo VU843A1004 Actuator

Fan Coil Actuator, 24Vac, Spring Return, Two Position, SPST, 15 Second Timing, 6" Electrical Connection Length, 22 Degree Stroke, 6 Second Spring Return Timing, Used with 2 Way Normally Closed VU53 Series Valve Bodies, Stainless Steel Case, Aluminum Cover