The MRK damper motor kit is a replacement motor for MA-ND3, MA-ND4 and MA-ND5 motors|External push button override|NEMA 1 housing|Noise level is less than 35 db|1.5 VA transformer Sizing|18 in-lb torque|35 Sec motor
EWC Motor Replacement Kit, Accessory Type: Motor Replacement Kit, For Use with: Ultra-Zone Damper, 24 VAC, 50/60 Hz, Domestic