Replacement for Honeywell M847D Damper Actuator Motor

Drop-in replacement motor actuator for Honeywell M847D1004, M847D1012, and all Honeywell M847D Series Motors for ARD dampers, RZ3-1M 680474058020. Zonefirst rmodels ZDS, ZDB, and RTS. For normally open, as used with Honeywell and Trol-a-Temp zone control systems. Better than the original motors! Easy to install, quiet solid construction guaranteed.