Io Hvac Controls CD-1814 Rectangular Zone Damper 18x14

Product Description

The IO HVAC CONTROLS CD-1814 is a rectangular zone damper designed for residential and light-commercial zoned HVAC systems. It ships with a Belimo 3-wire actuator pre-mounted, enabling both power-open and power-close operation without a separate actuator purchase. The damper body measures 18 inches wide by 14 inches tall, making it a direct fit for standard duct openings of that size. At 9 pounds, it is a solid assembly intended for permanent duct installation. Licensed HVAC technicians handling zone-control retrofits or new zoning system builds will find this a complete, ready-to-install unit.

This damper is suited for residential and light-commercial forced-air zoning applications where Carrier or Bryant air handlers and furnaces are installed. It is designed to fit into rectangular duct sections where independent zone control is required. The Belimo 3-wire actuator configuration is compatible with standard 24-volt zone control boards that output a discrete open and close signal, making it appropriate for multi-zone systems using conventional low-voltage zone panels.

Key Features

• 18-inch by 14-inch rectangular duct opening fits standard Carrier and Bryant duct configurations
• Belimo 3-wire actuator included, supports power-open and power-close operation
• 24-volt low-voltage control signal compatibility with standard zone control boards
• Complete assembly ships ready to install - no separate actuator required
• Sturdy construction at 9 pounds for durable long-term duct installation

Compatibility

Designed as an OEM-style rectangular zone damper for Carrier and Bryant forced-air zoning systems using 18-inch by 14-inch rectangular duct openings and a Belimo 3-wire actuator interface.

Installation Notes

Installation should be performed by a licensed HVAC technician familiar with zoned forced-air systems. Shut down the air handler and de-energize the low-voltage control circuit before beginning installation. Secure the damper into the duct section using sheet-metal screws and seal all seams with approved duct sealant or foil tape per local mechanical code requirements. Verify actuator wiring to the zone board matches the 3-wire open-close-common configuration before restoring power.