4 inch HVAC Duct Manual Volume Backdraft Damper with Adjustment Handle Viton 1/4 inch 12vdc 1 Year Warranty

1 Year Warranty

Two (2) Auxiliary Contacts: Normally Open and Normally Closed

gravity-feed capable) Operating Temperature 15-125 °F (-10~50 °C) Media Temperature 15-180 °F (-10~80 °C) Dimensions See product diagrams Weight 16 oz Mounting Threads M4

Package Contents: ONE (1) 220VAC Thermal Relay 37~50A

External Size: 153mm x 105mm x 55mm (6" x 4

4 inch HVAC Duct Manual Volume Backdraft Damper with Adjustment Handle Viton 1/4 inch 12vdc 1 Year Warranty4 HVAC Duct Manual Volume Backdraft Damper with Adjustment Handle Designed for demanding applications where durability and smooth operation are paramount, Ace Crew's Heavy Duty Manual Vent Dampers provides exceptional performance in even the toughest environments. Durable Material: The body is made from 22 gauge galvanized steel material and the flap blade is made from silicone which provides a tight seal. Constructed with sturdy components to ensure