EWC Controls MRK Universal Motor Kit For ND-URD & Round Dampers

Motor replacement for models ND, EBD, URD, and RDN dampers. Dampers such as the RDN will also require the purchase of a DHK (Damper Hardware Kit). If unsure if you require a DHK please contact our sales department. Notice- The MA-ND5 (power open/power close) motor actuator cannot be used to replace an existing MA-RSD (spring return) motor actuator.