Ewc Controls END-24X10-MA15S Motorized Zone Damper

Product Description

The EWC CONTROLS END-24X10-MA15S is a motorized zone damper from the ND Ultra-Zone series, designed for use in forced-air HVAC zoning systems. Measuring 24 inches by 10 inches, it operates on a 3-wire power open/power closed configuration and delivers 17 inch-pounds of torque for reliable blade actuation. The motor is UL Listed and NEMA Class 2 certified. An LED display gives technicians a quick visual confirmation of damper position and fail-safe status, reducing diagnostic time during commissioning and service calls. Nylon bushings keep operation quiet, and the overlapping blade design provides a 97 percent leak-proof rating for accurate zone control.

This damper is intended for residential and light-commercial forced-air zoning applications where individual zones must be opened or closed independently to balance airflow and maintain comfort. It integrates with the EWC Controls Ultra-Zone zoning system and is suited for rectangular supply or return duct installations. A quick-connecting terminal block eliminates the need for wire nuts, making field wiring straightforward for HVAC technicians. The sturdier frame construction allows for faster duct insertion compared to standard damper designs.

Key Features

• 3-wire power open/power closed operation for positive zone control
• 17 inch-pounds of motor torque with manual gear release for override capability
• LED display for visual damper position checks and fail-safe diagnostics
• 97 percent leak-proof rating via overlapping blade design
• Nylon bushings for quieter operation and extended motor life
• Quick-connecting terminal block eliminates wire nut connections in the field
• UL Listed motor with NEMA Class 2 certification

Compatibility

Designed for use with the EWC Controls Ultra-Zone zoning system. Intended as a direct-fit motorized damper for rectangular forced-air duct applications measuring 24 inches by 10 inches.

Installation Notes

Installation should be performed by a licensed HVAC technician familiar with forced-air zoning systems and low-voltage control wiring. Power down the air handler and zone controller before wiring or installing the damper. The manual gear release allows blade repositioning without power during setup or troubleshooting. Refer to local mechanical codes and the EWC Controls installation documentation for wiring termination and system checkout procedures.

Technical Specifications

• Duct Size: 24 inches x 10 inches
• Operation Type: Power Open / Power Closed (3-wire)
• Motor Torque: 17 inch-pounds
• Leak Rating: 97 percent leak-proof
• Motor Certification: UL Listed, NEMA Class 2
• Bushing Material: Nylon
• Diagnostic Display: LED indicator

Standard Information

• Brand: EWC CONTROLS
• Manufacturer Part Number: END-24X10-MA15S