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The RESEARCH PRODUCTS 6814 is a rectangular zone damper designed for use in residential and light commercial HVAC zoning systems. It features an aluminum frame and blade construction with a power closed, spring open motor that operates on 24 VAC at 60 Hz, drawing 6 watts and 12 volt-amps. The 2-wire electrical connection simplifies integration into standard low-voltage zoning control panels. Bottom mounting hardware accommodates typical duct installation orientations. The damper is rated for a maximum static pressure of 1 inch water column, making it suitable for residential forced-air ducted systems. Licensed HVAC technicians are the primary installers for this type of component.
This zone damper is used in forced-air ducted HVAC systems where independent temperature control is required across multiple zones. It installs directly into rectangular duct sections and is actuated by the zoning control panel through the 2-wire low-voltage connection. The spring open, power closed motor design means the damper defaults to the open position on power loss, which supports fail-safe airflow in residential zoning applications. It is suited for new construction zoning layouts and retrofit installations in existing duct systems.
Designed as an OEM-style replacement or new-installation zone damper for rectangular duct zoning systems using standard 24 VAC low-voltage zoning controls.
Installation should be performed by a licensed HVAC technician. Disconnect power to the zoning control panel and air handler before beginning installation. The damper mounts from the bottom of the duct section; verify duct dimensions match the damper frame before cutting. Low-voltage wiring should comply with NEC Class 2 circuit requirements for 24 VAC control wiring.
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