Round Backdraft Normally Open HVAC Air Vent Damper 12 Inch

Round Backdraft HVAC Air Control Dampers

Production description

• Material Backdraft HVAC Air Control Dampers is made of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel.
• 【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to vertical installation.
• 【Function】This Backdraft HVAC Air Control Dampers fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use.

HVAC Air Control Dampers Feature

Customize airflow and temperature throughout the home for improved comfort and energy savings
New adjustable damper with 0°- 90°adjustment capabilities
Fully adjustable for both powered and unpowered positions.
Safe, ETL listed 24VAC/20 VA plug-in transformer included
Free-wheeling coupling between motor and damper shaft for long life
Simple easy-to-wire, two-wire installation
3-year limited warranty

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