Io Hvac Controls CRD-09 Retrofit Zone Damper 9 in

Product Description

The IO HVAC CONTROLS CRD-09 is a retrofit round zone damper designed as a direct replacement for 9-inch round duct damper assemblies in Carrier and Bryant zoning systems. Zone dampers regulate conditioned airflow to individual zones in a forced-air HVAC system, opening and closing on command from a zone control board or thermostat. The CRD-09 measures 9 inches wide by 9 inches high by 8 inches deep and weighs 3.5 pounds, making it a compact, manageable component for duct installation in tight mechanical spaces. Licensed HVAC technicians typically install this damper during zoning system retrofits or as a warranty replacement.

The CRD-09 is suited for residential and light-commercial forced-air zoning applications where the existing ductwork is 9-inch round. It is specifically designed to retrofit into Carrier and Bryant zoning systems, replacing original damper assemblies that have failed or reached end of service life. Typical installation scenarios include single-family homes and small multi-zone commercial systems with round branch duct runs serviced by a zone control panel.

Key Features

• 9-inch round retrofit design for direct replacement of original Carrier and Bryant zone dampers
• Compact 9 inches wide by 9 inches high by 8 inches deep profile for installation in constrained duct chases
• 3.5-pound assembled weight for straightforward single-technician handling during install
• Compatible with standard zone control board low-voltage wiring configurations
• Intended for both residential and light-commercial round-duct zoning systems

Compatibility

Designed as a retrofit replacement for 9-inch Carrier and Bryant zone damper assemblies in forced-air zoning systems.

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 zone control board at the breaker before removing the existing damper. Verify low-voltage wiring connections to the damper actuator match the control board terminals before restoring power. Follow all applicable local mechanical codes and manufacturer wiring diagrams during reinstallation.