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The IO HVAC CONTROLS D-Z1-2208 is a two-position zone one damper assembly designed for use in residential and light commercial HVAC zoning systems. This damper controls airflow to a single zone by moving between a fully open and fully closed position, allowing the system to direct conditioned air only where it is needed. Measuring 22 inches wide by 8 inches high by 6 inches deep, it fits standard rectangular duct openings of that size. At 7.5 pounds, the assembly is built for straightforward duct installation. Licensed HVAC technicians are the primary installers of this component.
This damper assembly is suited for forced-air zoning applications in residential and light commercial buildings. It serves as the Zone 1 damper in a multi-zone HVAC system, working in conjunction with a zone control board and thermostat to regulate airflow to a designated area. Typical installations involve horizontal or vertical rectangular ductwork of the matching face size. The two-position operation makes it compatible with simple on/off zone control systems that do not require modulating airflow.
Designed as an OEM-style replacement or new-installation damper for two-position zone control systems using 22-inch by 8-inch rectangular ductwork.
Installation should be performed by a licensed HVAC technician. Shut down the air handler and disconnect power to the zoning control system before beginning any duct or wiring work. Verify the duct opening matches the 22-inch by 8-inch face dimensions before mounting. Follow the zone control board manufacturer's wiring instructions and all applicable local mechanical codes during installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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