Weil McLain 381-800-476 6 Inch Vent Damper Kit W/Motor

The Weil-McLain 381-800-476 is a 6-inch vent damper kit with a motor designed for installation in HVAC systems. It is installed in ducts to control air flow throughout the building. The damper opens and shuts in accordance with signals from a thermostat or other control system, leading to a constant temperature and improved comfort. The damper may also improve your HVAC system's performance and preserve the use of energy by managing airflow. Simply put, it is an automatic air flow control device which is frequently placed in the ventilation ducts of heating systems. It opens and shuts in accordance with signals from a thermostat, overseeing temperature and saving energy.