Suncourt 12 in. Motorized Adjustable Damper, Closed

The ZoneMaster Motorized Adjustable Damper controls airflow in an HVAC system or fresh air intake. Available as power closed/spring return or power open/spring return. Adjustable close or open position range stops. Easy to wire, 2 wire installation. Save energy by controlling airflow.|Safe, UL listed 24 VAC/ 20 VA plug-in transformer included|24 VAC, 1 RPM, 60 Hz, 6-Watt 2 wire synchronous hysteresis motor|20-Gauge blade closes against gasket for minimal leakage|Free wheeling coupling for long life|Male crimped and female non-crimped ends to connect to rigid or flexible round duct