Io Hvac Controls LD-2420 Rectangular Zone Damper 24x20

Product Description

The IO HVAC CONTROLS LD-2420 is a rectangular two-position zone damper designed for use in forced-air HVAC zoning systems. It features a 3-wire actuator and an integrated LED indicator, giving technicians a clear visual confirmation of damper position during commissioning and service calls. Measuring 24 inches by 20 inches, this damper handles larger duct runs common in residential and light commercial installations. The two-position design means the blade moves fully open or fully closed, making it straightforward to wire and control with standard zoning panels. Licensed HVAC technicians are the primary installers.

The LD-2420 is suited for rectangular duct zoning applications in residential and light commercial forced-air systems. It installs in-line within the supply duct, controlled by a compatible zoning panel or controller that supplies the 24-volt signal. The 24 x 20 inch opening size targets larger main trunk or branch duct runs where airflow capacity and balanced zone control are priorities. The LED indicator simplifies troubleshooting by providing an at-a-glance status without needing a multimeter on every call.

Key Features

• 24 x 20 inch rectangular blade opening sized for larger duct runs
• Two-position operation for reliable fully open or fully closed airflow control
• 3-wire actuator compatible with standard 24-volt zoning control panels
• Integrated LED indicator provides visual damper position confirmation
• Weighs 12 pounds for a robust, duct-grade construction

Compatibility

Designed as an OEM-style replacement or new-installation zone damper for rectangular duct zoning systems using 24-volt, 3-wire actuator control signals.

Installation Notes

Installation should be performed by a licensed HVAC technician familiar with forced-air zoning systems and low-voltage control wiring. Shut down the air handler and de-energize the zoning panel before mounting the damper or making any wiring connections. The damper installs in-line within the supply duct and must be secured per local mechanical codes to prevent air leakage around the frame. Verify actuator wiring polarity and LED function before restoring system power and commissioning zones.