Io Hvac Controls MD-2620 Zone Damper 26x20 in 2 Position

Product Description

The IO HVAC CONTROLS MD-2620 is a rectangular two-position zone damper designed for use in residential and commercial HVAC zoning systems. Measuring 26 inches wide by 20 inches tall, this damper regulates airflow through ductwork by moving between fully open and fully closed positions. It ships with a Belimo three-wire actuator, a reliable industry-standard drive mechanism that simplifies wiring and ensures positive damper positioning. Licensed HVAC technicians install this unit as part of a multi-zone forced-air system to deliver conditioned air only to the zones calling for it, improving comfort and efficiency across the building.

This damper is suited for rectangular duct applications in both residential and light commercial zoning installations. It is a direct-fit option for new construction and retrofit projects where controlled airflow distribution is required. The 26 inch by 20 inch face size accommodates larger trunk duct runs commonly found in commercial or high-capacity residential systems. The included Belimo actuator is compatible with standard two-position zone control boards and thermostats operating on 24-volt control signals.

Key Features

• 26 inch by 20 inch rectangular damper frame for larger duct applications
• Two-position operation for simple open or closed airflow control
• Includes Belimo three-wire actuator for reliable, positive positioning
• Compatible with standard 24-volt zone control systems
• Designed for both new construction and retrofit zoning projects

Compatibility

Designed as an OEM-style replacement or new-installation zone damper for rectangular duct zoning systems using two-position, 24-volt control wiring with a three-wire Belimo actuator interface.

Installation Notes

Installation should be performed by a licensed HVAC technician familiar with forced-air zoning systems. Shut down the air handler and de-energize the control system before mounting the damper or connecting the actuator wiring. Verify the duct opening dimensions match the damper frame before securing in place. Follow the actuator manufacturer wiring diagram and all applicable local mechanical codes when integrating with the zone control board.