Suncourt Zonemaster 4" Fully Adjustable Motorized Airflow Control Damper Normally Closed without Transformer

The ZoneMaster™ Motorized Adjustable Airflow Damper is mounted in ductwork to control the amount of airflow in an HVAC system, fresh air intake and make up air intake systems.

Features

• Customize airflow and temperature throughout the home for improved comfort and energy savings
• New patent pending adjustable damper with 0°- 90°adjustment capabilities
• Fully adjustable for both powered and unpowered positions.
• Fresh air intake and make up for better air quality
• Free-wheeling coupling between motor and damper shaft for long life
• Simple easy-to-wire, two wire installation
• 3 year limited warranty