iO Replacement for Honeywell M847D-Zone Damper Actuator Motor

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Drop-in replacement motor actuator for Honeywell M847D1004, M847D1012, and all Honeywell M847D Series Motors , RZ3-1M 680474058020. Zonefirst models ZDS, ZDB, and RTS. For normally open, as used with Honeywell and Trol-a-Temp zone control systems. 2-Wire Spring Return Actuator 24V with durable gears, and easy to remove black plastic covers. Replacement for Honeywell M847D1004, M847D1012, and all Honeywell M847D Series Motors  Replacement for Retrozone Replacement Damper Motor Actuator for Honeywell ARD ZD M847D 2 Wire Spring Motor RZ3-1M, 680474058020. Zonefirst replacement models ZDS, ZDB, and RTS. For use with dampers that are normally open, as used with Honeywell and Trol-a-Temp zone control systems.