John C. Hamilton writes:
"Thank you very much for your help this morning with my order for two Aprilaire 1700 Whole-House Dehumidifiers and the Aprilaire Fresh Air Vent System Model #8126. The service that you provided, backing up the price guarantee, and your professionalism are outstanding!! This type of customer service is why I am a repeat customer. Keep up the good work.
"
The Model ARD is a single blade damper contstructed with 24-gauge galvanized steel. The single blade design includes a gasketed seal for tight shut-off and can be installed on systems with up to 0.8" of static. The ARD can be installed in any rigid or flexible round duct system. The ARD comes power closed but can be easily field-converted to power open.
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.