Model # 6INC

Internet #205130627

Battic Door Energy Conservation Products Premium 6 in. Back Draft Damper
0838037004025

Battic Door Energy Conservation Products

Premium 6 in. Back Draft Damper

$2385 /each

Product Overview

Premium Back Draft Damper is installed into ductwork to prevent unwanted outdoor drafts from entering into your bathroom fan, kitchen fan, clothes dryer, etc. Ultimate one way air flow valve allows air to flow out but not back in. It does not rust or require any maintenance. Non-mechanical in-line one way air flow valve that requires minimal pressure to operate, has no moving parts. Sized slightly less than the internal diameter of the duct to slip easily into duct. Rubber gasket provide a friction fit and air-tight seal. Eliminates cold air back drafts in the winter saving heating loss. Eliminates hot air back drafts in the summer saving air conditioning loss. The damper consists of a specially formulated fabric sleeve attached to an outer metal sleeve. The fabric sleeve will allow air to pass through unrestricted in the desired direction of flow without reducing system efficiency. It is silent, produces no metal clanging sounds, tested to UL723 standards and can be installed in solid or flexible ductwork in any orientation. Installs easily - simply slide into duct. 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. Available in 4 in., 5 in., 6 in., 7 in. and 8 in. sizes.
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Product Overview

Premium Back Draft Damper is installed into ductwork to prevent unwanted outdoor drafts from entering into your bathroom fan, kitchen fan, clothes dryer, etc. Ultimate one way air flow valve allows air to flow out but not back in. It does not rust or require any maintenance. Non-mechanical in-line one way air flow valve that requires minimal pressure to operate, has no moving parts. Sized slightly less than the internal diameter of the duct to slip easily into duct. Rubber gasket provide a friction fit and air-tight seal. Eliminates cold air back drafts in the winter saving heating loss. Eliminates hot air back drafts in the summer saving air conditioning loss. The damper consists of a specially formulated fabric sleeve attached to an outer metal sleeve. The fabric sleeve will allow air to pass through unrestricted in the desired direction of flow without reducing system efficiency. It is silent, produces no metal clanging sounds, tested to UL723 standards and can be installed in solid or flexible ductwork in any orientation. Installs easily - simply slide into duct. 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. Available in 4 in., 5 in., 6 in., 7 in. and 8 in. sizes.
  • Prevent unwanted outdoor drafts from entering into your bathroom fan, kitchen fan, clothes dryer, etc.
  • 1-way air flow valve allows air to flow out but not back in
  • Eliminates cold air back drafts in the winter saving heating loss and hot air back drafts in the summer saving air conditioning loss
  • Can be installed in solid or flexible ductwork in any orientation
  • Installs easily - simply slide into duct
  • Fits inside of any 6 in. I.D. duct, rigid or flexible
  • Has no moving parts

Product Overview

Premium Back Draft Damper is installed into ductwork to prevent unwanted outdoor drafts from entering into your bathroom fan, kitchen fan, clothes dryer, etc. Ultimate one way air flow valve allows air to flow out but not back in. It does not rust or require any maintenance. Non-mechanical in-line one way air flow valve that requires minimal pressure to operate, has no moving parts. Sized slightly less than the internal diameter of the duct to slip easily into duct. Rubber gasket provide a friction fit and air-tight seal. Eliminates cold air back drafts in the winter saving heating loss. Eliminates hot air back drafts in the summer saving air conditioning loss. The damper consists of a specially formulated fabric sleeve attached to an outer metal sleeve. The fabric sleeve will allow air to pass through unrestricted in the desired direction of flow without reducing system efficiency. It is silent, produces no metal clanging sounds, tested to UL723 standards and can be installed in solid or flexible ductwork in any orientation. Installs easily - simply slide into duct. 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. Available in 4 in., 5 in., 6 in., 7 in. and 8 in. sizes.

  • Prevent unwanted outdoor drafts from entering into your bathroom fan, kitchen fan, clothes dryer, etc.
  • 1-way air flow valve allows air to flow out but not back in
  • Eliminates cold air back drafts in the winter saving heating loss and hot air back drafts in the summer saving air conditioning loss
  • Can be installed in solid or flexible ductwork in any orientation
  • Installs easily - simply slide into duct
  • Fits inside of any 6 in. I.D. duct, rigid or flexible
  • Has no moving parts

Info & Guides

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Specifications

Dimensions

Product Depth (in.)
6
Product Height (in.)
8
Product Length (in.)
8
Product Width (in.)
6

Details

Duct Type
6" Round
Gauge
0
Insulated
No
Material
Galvanized Steel
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
No Certifications or Listings

Specifications

Dimensions

Product Depth (in.)
6
Product Height (in.)
8
Product Length (in.)
8
Product Width (in.)
6

Details

Duct Type
6" Round
Gauge
0
Insulated
No
Material
Galvanized Steel
Returnable
90-Day

Warranty / Certifications

Certifications and Listings
No Certifications or Listings

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Questions & Answers

Will it prevent odor from backdrafting through ductwork? Is it effective for indoor gardening?

Asked by: hvachack
No it will not prevent anything from backdrafting. The material used for the inner cape does not drop down like show and doesn't create any seal or barrier.
Answered by: Engineer
Date published: 2017-03-25

Can it be used in a range hood vent

Asked by: Jumaga
I would not recommend using a cape back draft damper with a range hood vent. Heat issues aside, grease and particulate would soon coat the damper, at the very least reducing its effectiveness, probably leaving a noticeable scent after a while, and at worse, creating a dust/lint and grease based fire hazard. I would recommend a least a passive butterfly valve damper. A gravity damper would be better. Most manufacturers will recommend products which are...acceptable. Also keep in mind that local building codes sometimes have more stringent requirements than IRC and may specifically require a gravity backdraft damper or a makeup air system (to prevent air from being pulled down through a chimney, back through gas appliance flues, through walls/moisture barriers, or through windows for example). If your range vent hood has a capacity of 400 CFM or more, IRC requires an interlocked (a.k.a automatic, synchronized, universal) makeup air damper system, with very good reason. You might also consider a makeup air system if the range hood is unusually noisy or inefficient (open a window to see if depressurization is the problem).
Answered by: OldAdam
Date published: 2017-04-02

Can I install it through the vent flap?

Asked by: Chessie1629
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Customer Reviews

Premium 6 in. Back Draft Damper is rated 2.0 out of 5 by 4.
Rated 5 out of 5 by from Works as intended. But... It works more than well. I have absolutely no backdraft, even on a bathroom fan that used to whistle. Utterly quiet. The quality is good, a little lighter than you'd expect, but if it works this well, you really aren't going to care once it's in place. There were a rough edges and a very, very sharp bur on the seam, but sheet aluminum always manages to cut me anyway. The biggest problem is that this insert will NOT fix inside flexible ducting at all and it CANNOT be slide into assembled rigid ducting if there is any type of crimp or flange. Buy the ducting as flats, cut it to length, then assemble the duct into round around the damper. And watch out where you place the damper, it's not easy to change it's position once the ducting is locked into a tube nor to unclip the seam on the duct back into a flat with the insert pressing on in. This is not the easy way to use this damper, it is the only practical way to use it. I'm sure the claims by the company that this item can be installed differently are technically true, but in practice, squeezed into the low part of a attic...no, no it isn't possible.
Date published: 2016-10-11
Rated 1 out of 5 by from Dumb Damper This damper didn't do what it was supposed to do. Don't waste time and money. Buy a spring loaded butterfly damper instead.
Date published: 2017-01-17
Rated 1 out of 5 by from Buyer Beware What is pictured is NOT what you receive. The insert pictured in the description looks like cloth that should self collapse easily; what arrives is more of a stiff, plastic-coated fabric. As you can see from the attached picture it stands straight up and will not collapse onto itself, thus making it useless. I have already returned it.
Date published: 2016-09-15
Rated 1 out of 5 by from Absolutely useless! As others have written, the product received is not even what is pictured!!... Absolutely useless! As others have written, the product received is not even what is pictured!!! The cape material is stiff and lightweight and basically remains stuck to the walls of the duct. It DOES NOT drape down like show and with the type of material used I can not see it EVER blocking any backdraft. My guess is they decided to go to a cheaper material than shown and that makes the product worthless. It won't stop ANY air from back drafting.
Date published: 2017-03-25
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