The M847D is a two position 24 Vac spring return actuator designed to operate ARD EARD and ZD zone dampers. Features Low voltage spring-return damper actuator. Equipped with anti-rotation and drive shaft extensions for direct mounting to 7/16 inch diameter coupling style dampers. Adjustable range stops.

Honeywell M847D-VENT TrueZONE Replacement
$58.95