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Backdraft damper with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure. Fits 4" Round Duct A=4 duct connections are 1/8" smaller than duct size
REVIEW SNAPSHOT® by PowerReviewsFantech RSK4 Spring Loaded Backdraft Damper for 4" Duct (based on 16 reviews) 100% of respondents would recommend this to a friend. Pros
Cons Best Uses
Reviewed by 16 customers Sort by Displaying reviews 11-16 « Previous | Next 3/8/2010 This was exactly what I was looking for! By Mr. Mitch the Handyman. from O'Fallon, Il About Me Do woodworking, Handyman, Homeowner  Pros
Cons Best Uses
Comments about Fantech RSK4 Spring Loaded Backdraft Damper for 4" Duct: I needed to have an exhaust fan for my new woodshop and I needed a backdraft preventer. This was just right. Bottom Line Yes, I would recommend this to a friend Was this review helpful? Yes / No - You may also flag this review 2/4/2010 (5 of 5 customers found this review helpful) Well made product By Jim from Atlanta About Me Homeowner Pros
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Best Uses
Comments about Fantech RSK4 Spring Loaded Backdraft Damper for 4" Duct: Well made product, however contrary to what some have written the springs are too weak to overcome the weight of the doors. This product must be mounted vertically so that gravity may assist the spring in closing the doors. The manual that came enclosed with this product also confirms this Bottom Line Yes, I would recommend this to a friend (5 of 5 customers found this review helpful) Was this review helpful? Yes / No - You may also flag this review 11/11/2009 just what i was looking for By homeowner from dyer in About Me Handyman, Homeowner, Professional Pros
Cons Best Uses Comments about Fantech RSK4 Spring Loaded Backdraft Damper for 4" Duct: installed in bathroom opens and closes nicely Bottom Line Yes, I would recommend this to a friend Was this review helpful? Yes / No - You may also flag this review 5/4/2009 (1 of 1 customers found this review helpful) Perfectly sprung...even for inverted use By The average guy from North Augusta, SC About Me Homeowner Pros
Cons Best Uses
Comments about Fantech RSK4 Spring Loaded Backdraft Damper for 4" Duct: work good Bottom Line Yes, I would recommend this to a friend (1 of 1 customers found this review helpful) Was this review helpful? Yes / No - You may also flag this review 12/22/2008 (1 of 1 customers found this review helpful) Needs some weight By Spike from Mars, PA About Me Homeowner Pros
Cons Best Uses Comments about Fantech RSK4 Spring Loaded Backdraft Damper for 4" Duct: I recently replaced my bathroom fan in my master bathroom which has sloped vaulted ceilings. Well the "flapper" damper never fully closed due to the slope and constantly slapped itself around on windy nights keeping me and the wife up. Bought this damper and so far it works great. I did however crazy glue 2 rubber grommets to "weigh down" the flapper. The flappers are rather thin and my fan has no problem keeping the damper open with the extra weight (I tested it in the attic). Bottom Line Yes, I would recommend this to a friend (1 of 1 customers found this review helpful) Was this review helpful? Yes / No - You may also flag this review 11/17/2008 Simple Unit By DG from Rochester, MA About Me Homeowner Pros
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Best Uses Comments about Fantech RSK4 Spring Loaded Backdraft Damper for 4" Duct: Simple to install ...Does its job Bottom Line Yes, I would recommend this to a friend Was this review helpful? Yes / No - You may also flag this review Displaying reviews 11-16 « Previous | Next
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