The ARD is a round damper with a 24 Vac, spring-return damper motor used to control circulating air in heating, cooling, and ventilating systems.
The damper is shipped as a powered closed/spring return open damper for use with the TotalZoneŽ Damper System, Electronic MiniZoneT Damper System and other normallyopen damper systems.
The damper can be field-converted to a power open/spring return closed damper when used as an independent zone or for fresh air intake for ventilation or combustion make-up air.

Features:

. Galvanized steel.
. Single-blade damper.
. Shipped as power closed/spring return open damper, for use with Honeywell Zoning Systems.
. Can be field-converted to power open/spring return closed damper when used as an independent zone or for fresh air intake.
. Blade closes off tightly against gasket for minimal leakage.
. Rated to operate up to 1 in. wc.