Io Hvac Controls OAD-09-24V Fresh Air Intake Damper 9 in

Product Description

The IO HVAC CONTROLS OAD-09-24V is a 9-inch round fresh air intake damper designed for 24-volt control systems in forced-air HVAC applications. It regulates outdoor air entry into the ductwork, opening and closing on a 24-volt signal to balance ventilation with heating or cooling demand. The unit measures 12 inches wide, 8 inches tall, and 9 inches deep, and ships at approximately 4.2 pounds. Licensed HVAC technicians install this damper as part of fresh air ventilation strategies in residential and light commercial systems.

This damper is suited for round duct installations requiring automated fresh air control. It fits into ventilation setups where outdoor air intake must be regulated based on thermostat calls, IAQ controllers, or dedicated ventilation timers. The 24-volt actuator makes it compatible with standard low-voltage HVAC control wiring already present in most forced-air systems. Typical applications include new construction ventilation compliance and retrofit fresh air systems in existing homes or small commercial buildings.

Key Features

• 9-inch round duct connection for direct inline installation
• 24-volt actuator integrates with standard low-voltage HVAC control circuits
• Automated open and close operation for controlled fresh air intake
• Compact footprint at 12 inches wide by 8 inches tall by 9 inches deep
• Lightweight construction at approximately 4.2 pounds for easy handling during installation

Compatibility

Designed as an OEM-style replacement and new-installation damper for 9-inch round duct fresh air intake applications in residential and light commercial forced-air HVAC systems using 24-volt control wiring.

Installation Notes

Installation should be performed by a licensed HVAC technician familiar with duct fabrication and low-voltage control wiring. Disconnect and lock out power to the air handler or furnace control board before making any wiring connections. Secure the damper to the duct with sheet metal screws and seal all joints with approved duct sealant or foil tape per local mechanical code requirements. Verify the 24-volt signal source is correctly sized and that the control circuit is free of shorts before restoring power.