Exhaust Fan Backdraft Damper

Specifically designed to stop back drafts from your clothes dryer bathroom exhaust fan kitchen fan pellet stove direct vent water heater and direct vent furnace.

Exhaust fan backdraft damper.

Get it as soon as fri sep 25. Ventilation extractor fan backdraft shutter. I ran into a problem. A complete line of damper products for fire and smoke control in life safety systems and for airflow control in commercial hvac and industrial systems.

Tamarack technologies cape backdraft damper opens and closes with minimal airflow in either direction. Backdraft dampers also called gravity dampers allow airflow in one direction and prevent reverse airflow for use in exhaust or intake hvac systems. The cape backdraft damper prevents cold air and moisture from entering the home through dryer vents exhaust fan ducts and range hood ducts. Available in 4 in 5 in 6 in 7 in.

99 get it as soon as thu oct 1. The air from the smaller fan was not exiting out of the house. Aldes 6 inch round spring loaded backdraft damper professional grade. Backdraft dampers can either be operated by gravity where pressure or velocity opens and closes the damper or motorized to open and close when required.

Draft blocker backdraft damper duct draft stopper backflow preventer inline fan vent vent deflector 4 inch 4 4 out of 5 stars 123 14 45 14. Backdraft damper vent draft blocker aluminum faci 4in. I have it installed horizontally. Exhaust or mixed air applications.

Draft blocker backdraft damper duct draft stopper backflow preventer inline fan vent vent deflector 6 inch 4 4 out of 5 stars 117. Instead it ended up going through my bigger fan when it wasn t on it didn t have it s own backdraft damper. One fan is 200 cfm the other is 90 cfm. So i introduced this seperate backdraft damper and it solved the problem.

2 pack 4 backdraft damper duct backflow preventer inline fan vent vent deflector professional back draft damper inline spring loaded exhaust pipe check fan valve with 2pcs clamps 18 99 18.