Exhaust Fan Backdraft Damper

I ran into a problem.

Exhaust fan backdraft damper.

Get it as soon as fri sep 25. Quick look at a couple of solutions for stopping cold air blowing back through ventilation vents. One fan is 200 cfm the other is 90 cfm. The cape backdraft damper prevents cold air and moisture from entering the home through dryer vents exhaust fan ducts and range hood ducts.

Backdraft damper vent draft blocker aluminum faci 4in. Tamarack technologies cape backdraft damper opens and closes with minimal airflow in either direction. 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. Exhaust or mixed air applications.

Ventilation extractor fan backdraft shutter. 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. The specially formulated fabric sleeve allows maximum air flow only in the desired direction. 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.

Instead it ended up going through my bigger fan when it wasn t on it didn t have it s own backdraft damper. 99 get it as soon as thu oct 1. The air from the smaller fan was not exiting out of the house. 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.

So i introduced this seperate backdraft damper and it solved the problem. Free shipping on your first order shipped by amazon. I have it installed horizontally. Available in 4 in 5 in 6 in 7 in.

Aldes 6 inch round spring loaded backdraft damper professional grade.