EWC Controls URD-7 Damper 318423-701 The refrigeration fan motor design

The refrigeration fan motor design focuses on thermal stability and consistent 1550 RPM output

When paired with the appropriate Johnson Controls pneumatic actuator

This 70W heater is a direct technical substitute for legacy part numbers 02-3653-02S

Is the inducer motor included with this part

EWC Controls URD-7 Damper 318423-701 The refrigeration fan motor designThe EWC Controls URD 7 Damper is a professional grade 7 inch round motorized damper built for rigorous multi zone HVAC applications. Constructed from heavy 24 gauge galvanized steel, this unit features a single blade design with an integrated Poron sealing gasket to ensure a tight seal and minimal leakage at static pressures up to 1. 5 in. w. c. The MA ND5 actuator provides reliable 18 in lb torque using a three wire power open power closed